SIMPLY POTENT Blood Pressure Support Review

Blood Pressure Support Supplement for Cholesterol & Heart Health is a capsule product from Simply Potent, sold in a bottle of 90 capsules for $26.99. The product page describes it as a powerful blend of more than 13 natural ingredients meant to support healthy blood pressure levels, heart health, and brain health. The brand describes it as a natural, herbal option for people who want to support normal blood pressure and help lower high blood pressure. Each 690 mg serving is listed as containing 13 vitamins, herbs, and extracts. The listed components include Vitamin C, Niacin, Vitamin B-6, Folic Acid, Vitamin B-12, Garlic Powder, Hibiscus Flower Powder, Olive Leaf, Hawthorn Extract, Buchu Leaf, Uva Ursi Leaf, Juniper Berry Powder, and Green Tea Leaf. The page explains the role of several ingredients. Niacin is described as a natural vasodilator that helps widen blood vessels. Vitamin C and folic acid are said to help relax blood vessels and improve blood flow. Vitamins B6 and B12 are described as helping to control homocysteine levels in the blood. Vitamins C and B6, olive leaf, hibiscus, and hawthorn extracts are presented as having properties associated with blood pressure, while garlic and niacin are described as natural vasodilators. Uva ursi and juniper berry are said to help the body remove excess fluid. The page also says the formula is intended to support circulation, capillary health, and heart and blood vessel function, and that it may help support cholesterol, triglycerides, and cellular oxidation. The product is presented as suitable for both women and men. The page states that the supplement is manufactured in the USA in an FDA inspected, GMP certified facility, and that it is gluten free and non GMO. The brand also presents the product with a buy risk free message. Suggested use in the FAQ is one to three tablets with meals or as directed by a healthcare professional. The FAQ further advises that pregnant and nursing mothers, children under 18, and people with a known medical condition, including hypertension or cardiovascular disorders, should consult a physician before taking the supplement. The page includes a legal disclaimer stating that the statements have not been evaluated by the Food and Drug Administration and that the product is not intended to diagnose, treat, cure, or prevent any disease. Subscription and bulk purchase options are available on the page, with discounts for multiple bottles and recurring deliveries.

Product Focus: Blood PressureAlso covers:HeartKidneys
Tier ⓘ
Tier 2
Tier 2 · Researched. Human studies show improvement in an aging-related function or a specific goal, and the reviews agree. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
87 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
94% of 157
Biohacker Mentions
10 of 10

Study, Trial or Testing Result Summary

Members Only370 human studies · 190 improved

17 of these 370 human studies gave the ingredient by drip or injection, not by mouth.

370 human studies190 improved134 no effect2,419,736 people studied

At three capsules a day, the main herbs come at or above the doses studied. Garlic has the strongest support: across 108 trials, it lowered the top blood pressure number by about 3.7 points and the bottom by about 2 [1]. Drops were larger in people with high blood pressure [2]. Hibiscus lowered pressure more than placebo across 26 trials [3], by about 6.7 and 4.4 points in people with mild to moderate high pressure [4]. Olive leaf lowered both numbers across 30 trials [5]. Hawthorn results are mixed: one trial found lower pressure [6], but another found no clear effect [7]. Green tea is well below the studied dose, though at studied amounts it lowered pressure slightly [8]. The vitamins add little for this goal. A pooled analysis found that vitamin C and folic acid did not change blood pressure [9]. Niacin [10] and vitamin B6 [11] showed no benefit in controlled trials. Vitamin B12 helped in one small trial [12] but not in larger ones [11]. Buchu, uva ursi and juniper have no human studies for this goal. Animal and cell studies are never counted.

See all 370 studies →Hide the studies

Review Totals and Summary

Members Only157 reviews · 94% positive
157 reviews · Simply Potent 76 · Walmart 56 · EBay 25
94% positive5% neutral1% negative

Across the stores, this blood pressure capsule carries about 157 ratings and is mostly well liked. Many buyers report better readings, but a clear minority had problems with bottles that arrived damaged or smelled wrong. **What buyers say it did for them:** The most common praise is better blood pressure numbers. One said "my top number reads normal at home these days." Another wrote "my numbers looked the best they've been in years at my physical." Several say they cut back or stopped meds with their doctor's approval. A few mention fewer pressure headaches: "i'm not getting those pressure headaches anymore." Smaller mentions include lower cholesterol, more energy in workouts, less stress and better immunity. One eBay reviewer reported a 16-point drop in about ten days, while others said it took a few months. **What they complain about:** The most serious complaints are about the bottle on arrival. Several buyers said the safety seal was already broken, and one said "DIDNT FEEL COMFORTABLE TAKING THEM." Others described capsules "stuck together in a clump," an odd chemical smell, or a batch that "smells off compared to the last bottle." One store page also mentions a bottle about a third empty and discolored capsules. Some got no benefit: "Did not see any results, no changes found with this product." One buyer gave it about a week and saw no change. An eBay reviewer said there is no way to know whether it helps, and another warned that it contains niacin, which causes flushing in people who react to it. **Taste, smell, pill size and form:** Buyers who commented on ease said the capsules go down without trouble. "easy to take no bad smell or taste." Another liked "just one capsule instead of juggling a bunch of different pills." The smell complaints above appear to be about particular bottles, not the product in general. **Value for money:** Opinions are mixed. Some call it affordable: "budget friendly." eBay reviewers also praise the price and value. Others feel the bottle runs out sooner than they would like. One said it "doesn't last quite as long as I'd like at the recommended dose," and a store summary mentions few pills for the price. Another buyer said a bottle stretches to roughly two months. **Who it seems to suit and who it did not:** It seems to suit people watching their blood pressure who want a simple one-capsule routine, and those willing to give it weeks or months. One couple said "they really do make a big difference" after trying similar products that did not work as well. It suited less well anyone who wants quick, noticeable change within a week, and anyone sensitive to niacin. Buyers should also inspect the seal and the capsules on arrival. Reviews of other product forms were left out, and this summary covers the capsules only.

Biohacker Summary

Members Only10 of 10 recommend it
10 of 10 biohackers on our panel recommend it

Garlic is the main ingredient, and the panel leans positive: of the ten, five use it, three recommend it, one is neutral, and one warns. Those who speak to blood pressure say aged garlic extract and garlic in general have shown measurable benefits, and others take it for gut health, with one pairing it with avocado in the same meal. One panelist takes a 600 milligram garlic capsule whenever he takes a certain supplement, and notes capsules are cheap and do not cause bad breath. On the caution side, one panelist said eating a lot of garlic left his brain feeling less sharp, and another flagged a real bleeding risk for anyone on meds, while one panelist said he does not eat garlic at all. Hibiscus tea was mentioned by only one panelist, who said people have had luck with it for blood pressure but that severe high blood pressure calls for meds, and vitamin C is a smaller ingredient in this product that many on the panel recommend.

See all 10 biohackers →Hide the biohackers
  • Dr. Mark Hyman · Garlic · recommends
    • 25 Oct 2026 · recommends · Instagram ↗
      Recommends garlic as a fibrous food to heal the gut.
    • 12 Oct 2026 · Vitamin C · recommends · YouTube ↗
      Recommends vitamin C as a basic supplement during detoxification to help with inflammation and detoxification.
    • 7 Oct 2026 · Vitamin C · neutral · Podcast ↗
      Dr. Hyman mentions vitamin C as an advanced therapy for skin repair.
    • 7 Oct 2026 · Vitamin C · recommends · YouTube ↗
      Mentions topical vitamin C as an antioxidant that can help skin with aging.
    • 6 Oct 2026 · Vitamin C · neutral · X ↗
      Mentions that what they do when a cold comes on is not just vitamin C.
    • 5 Oct 2026 · uses · YouTube ↗
      Eats a lot of garlic and includes it in his chicken soup and a special drink because it is an antimicrobial and antiviral.
    • 5 Oct 2026 · Vitamin C · recommends · YouTube ↗
      Recommends ensuring adequate vitamin C intake on a regular basis for immune support, stating it's important for healthy immune function despite mixed data on its effectiveness for colds.
    • 30 Sep 2026 · Vitamin C · neutral · YouTube ↗
      Mentions that vitamin C was the very first vitamin discovered, isolated, and synthesized in 1932, and its deficiency caused scurvy.
    • 30 Sep 2026 · Green Tea · neutral · YouTube ↗
      Mentions that EGCG from green tea activates thermogenesis, contributing to calorie burning.
    • 30 Sep 2026 · Niacin · neutral · YouTube ↗
      Explains that pellagra, which killed 100,000 Americans, was a niacin deficiency, a B vitamin.
    • 14 Sep 2026 · Vitamin C · recommends · Facebook ↗
      Recommends nutrient-dense foods rich in vitamin C, such as guavas and parsley, to reduce inflammation.
    • 9 Sep 2026 · Vitamin C · uses · YouTube ↗
      Used intravenous vitamin C cocktails to help him detoxify and recover from chronic fatigue.
    • 31 Aug 2026 · Vitamin B6 · uses · YouTube ↗
      Optimized a child's nutrient status with vitamin B6, as the child had low B6 levels.
    • 29 Jul 2026 · Green Tea · uses · YouTube ↗
      States he was using green tea to stimulate the NRF2 pathway and open up detox.
  • Dr. Eric Berg · Garlic · neutral
    • 18 Oct 2026 · neutral · Facebook ↗
      Garlic supports detoxification, contains allicin, is antimicrobial, supports a healthy heart, supports healthy blood pressure, may have anticancer benefits, supports healthy gut microbes, and is a potent anti-inflammatory.
    • 26 Oct 2026 · Vitamin C · neutral · YouTube ↗
      Mentions that lemon is loaded with vitamin C, and when combined with coffee, vitamin C significantly increases the bioavailability of antioxidants in the coffee.
    • 25 Oct 2026 · Vitamin C · recommends · Facebook ↗
      Dr. Berg states that Vitamin C helps fight biofilms and is essential for making collagen in gums, teeth, and capillaries.
    • 24 Oct 2026 · Vitamin C · recommends · YouTube ↗
      Recommends Vitamin C as a cofactor, especially for collagen.
    • 23 Oct 2026 · Vitamin C · recommends · YouTube ↗
      States that high doses of vitamin C, like 2 to 4 grams, can greatly reduce inflammation and support the immune system.
    • 19 Oct 2026 · Niacin · recommends · Podcast ↗
      States that expensive NAD+ supplements only turn into $5 niacin in the body and that research has shown niacin can actually raise NAD levels in the blood 5 to 8 times their baseline levels.
    • 17 Oct 2026 · Vitamin C · recommends · YouTube ↗
      Highly recommends taking natural food vitamin C, about 500 mg, at the first sign of a cold.
    • 17 Oct 2026 · Green Tea · neutral · Instagram ↗
      Suggests pairing green tea with lemon for better absorption.
    • 16 Oct 2026 · recommends · Instagram ↗
      Dr. Eric Berg recommends adding garlic to eggs to support satiety, antioxidant potential, cardiovascular, and liver health.
    • 11 Oct 2026 · recommends · YouTube ↗
      Recommends mixing one drop of garlic with five drops of povidone iodine for a wart and skin tag remedy, suggesting to crush the garlic.
    • 11 Oct 2026 · Niacin · recommends · YouTube ↗
      Recommends cheap flush niacin, stating that it outperforms expensive NAD supplements and even IV drips in raising NAD levels in the blood.
    • 10 Oct 2026 · Vitamin B6 · warns · Podcast ↗
      Dr. Berg lists pyridoxine hydrochloride as a synthetic vitamin to avoid.
    • 4 Oct 2026 · Vitamin B6 · recommends · Facebook ↗
      Recommends taking the active form of vitamin B6, pyridoxal-5-phosphate (P5P), for its benefits to the nervous system, including building the myelin sheath and protecting sensory nerve integrity.
    • 4 Oct 2026 · Vitamin B6 · neutral · X ↗
      Notes that Vitamin B6 is intimately involved in the nervous system and may be behind sciatica and carpal tunnel syndrome.
  • Siim Land · Garlic · recommends
    • 7 Oct 2026 · recommends · Instagram ↗
      Recommends Aged garlic extract for blood pressure and cholesterol, based primarily on human research, especially randomized controlled trials showing measurable benefits.
    • 31 Oct 2026 · Green Tea · recommends · Instagram ↗
      States that green tea is very effective for visceral fat loss due to its polyphenol content.
    • 29 Oct 2026 · Vitamin C · recommends · Instagram ↗
      Recommends taking vitamin C with collagen to support joint collagen synthesis.
    • 27 Oct 2026 · Green Tea · uses · Instagram ↗
      Personally drinks 2 cups of green tea a day and made it one of the small changes while reducing his visceral fat.
    • 19 Oct 2026 · Green Tea · neutral · YouTube ↗
      Mentions that green tea's EGCG has stimulated autophagy in cultured liver cells and mouse experiments by increasing AMPK.
    • 14 Oct 2026 · Vitamin C · neutral · Instagram ↗
      States that vitamin C is needed for initiating collagen synthesis and that higher vitamin C intake appears to increase vitamin C content in the skin.
    • 11 Oct 2026 · Green Tea · uses · YouTube ↗
      Consumed more polyphenol-rich foods, including green tea, to reduce visceral fat.
    • 6 Oct 2026 · neutral · X ↗
      Lists Aged garlic extract as one of 15 supplements backed by human studies.
    • 30 Sep 2026 · Green Tea · uses · YouTube ↗
      Mentions that he drank green tea, which targets visceral fat, as one of the things he did to reduce visceral fat.
    • 30 Sep 2026 · Vitamin C · neutral · X ↗
      Lists sauerkraut and fruit as sources of Vitamin C.
    • 26 Sep 2026 · Green Tea · uses · X ↗
      Drinks 1-3 cups of green tea a day, noting that there are multiple lines of evidence suggesting it improves various health markers and may have longevity benefits.
    • 26 Sep 2026 · Green Tea · recommends · X ↗
      States that green tea is one of the healthiest beverages in the world, improving cardiovascular disease risk factors, heart health, metabolic health markers, targeting all hallmarks of aging, reducing visceral fat, and being associated with lower mortality.
    • 25 Sep 2026 · Green Tea · uses · YouTube ↗
      When dropping his visceral fat, Siim Land drank around one to three cups of green tea per day, usually in the morning and before exercise, and believes it contributed to visceral fat loss.
    • 15 Sep 2026 · recommends · Instagram ↗
      Says garlic is an old food with health benefits, especially good for lipids and the immune system.
  • Andrew Huberman · Garlic · uses
    • 1 Oct 2026 · uses · YouTube ↗
      Makes it a point to ingest a 600 milligram capsule of garlic anytime they take Alpha-GPC to offset potential increases in TMAO.
    • 28 Sep 2026 · Green Tea · uses · YouTube ↗
      Drinks green tea and believes it has very positive cognitive benefits in terms of focus.
    • 27 Jul 2026 · recommends · YouTube ↗
      He suggests taking 600 milligrams of garlic, which contains allicin, to inhibit TMAO production, especially when taking Alpha GPC regularly, and notes that garlic capsules are inexpensive and don't cause bad breath.
    • 13 Jul 2026 · Green Tea · uses · X ↗
      Uses Athletic Greens AG1 in the morning for gut health.
    • 17 Jun 2026 · Vitamin C · uses · X ↗
      Takes a multivitamin every day for longevity.
    • 13 Apr 2026 · Folic Acid · recommends · YouTube ↗
      Recommends taking a prenatal vitamin that has folic acid before getting pregnant to optimize nutrients for pregnancy.
    • 2 Feb 2026 · Vitamin C · recommends · YouTube ↗
      Recommends AG1, a vitamin, mineral, and probiotic drink, and notes that for a limited time, a subscription comes with additional supplements.
    • 15 Dec 2025 · Vitamin B12 · neutral · YouTube ↗
      States that a deficiency in vitamin B12 can be terrible and lead to chronic fatigue-like syndromes, as many parts of mitochondria require B vitamins.
    • 7 Jul 2025 · Vitamin C · uses · YouTube ↗
      Takes an extra gram of vitamin C a day for its effects on immunity and potential synergy with collagen.
    • 16 Jun 2025 · Vitamin C · uses · YouTube ↗
      Found the Met RX Big 100 Bar to be 'magic' on the trail because it's a hunk of calories with protein and fortified with vitamins and minerals, despite being something they would never eat in normal life.
    • 28 Apr 2025 · Vitamin C · uses · YouTube ↗
      Started taking AG1 in 2012 and still takes it every single day to ensure he meets his quota for daily vitamins and minerals and to support gut health, which is critical for proper brain function, immune system, and neurotransmitter production.
    • 3 Feb 2025 · Vitamin C · uses · YouTube ↗
      Has been taking AG1 daily since 2012 because it is the highest quality and most complete foundational nutritional supplement, ensuring he gets all necessary vitamins, minerals, and micronutrients for daily health.
    • 18 Nov 2024 · Vitamin C · uses · YouTube ↗
      Has been drinking AG1 since 2012, finding it difficult to get enough vitamins, minerals, micronutrients, and adaptogens from diet alone. He finds that taking AG1 daily improves all aspects of his health, including physical and mental health, performance, recovery from exercise, and immune system strength, and also notices more mental clarity and energy.
    • 14 Oct 2024 · Vitamin C · recommends · YouTube ↗
      Recommends AG1 as the highest quality and most complete foundational nutritional supplement, containing vitamins, minerals, probiotics, prebiotics, and adaptogens to cover dietary gaps and support a demanding life.
  • Thomas DeLauer · Garlic · recommends
    • 25 Sep 2026 · recommends · YouTube ↗
      Recommends using garlic along with avocado in the same meal to feed the same microbes and compound the positive effects on gut health.
    • 30 Oct 2026 · Green Tea · uses · YouTube ↗
      Now rotates green tea with coffee, having green tea for two days, then coffee for two days, to maintain energy and benefit from different antioxidant profiles. He previously focused too much on green tea and neglected coffee.
    • 29 Oct 2026 · Green Tea · uses · YouTube ↗
      Combines MCT oil with matcha green tea in a cognitive cocktail, finding that green tea provides more mental benefits than coffee for focus and calm energy.
    • 26 Oct 2026 · Vitamin C · recommends · YouTube ↗
      Recommends taking vitamin C along with collagen about an hour before a workout for connective tissue benefits.
    • 23 Oct 2026 · Vitamin C · uses · YouTube ↗
      Uses vitamin C as part of their immunity duo, stating it is important for boosting the immune system, especially during cold and flu season.
    • 18 Oct 2026 · Vitamin B12 · recommends · YouTube ↗
      Recommends Vitamin B12 for mental health and mood, explaining its role in myelination and neurotransmitter production. They specifically recommend a liposomal and micellar form of methylcobalamin B12 for better absorption and to avoid toxicity.
    • 16 Oct 2026 · Green Tea · recommends · Facebook ↗
      Explains that green tea's catechin benefits often diminish in the intestines, with less than 20% surviving digestion, but adding citrus can reclaim these benefits by about 5x.
    • 16 Oct 2026 · Green Tea · recommends · Facebook ↗
      Recommends adding citrus, specifically lemon, to green tea to reclaim the benefits of catechins, as it can leave 80% of them intact.
    • 5 Oct 2026 · Folic Acid · warns · YouTube ↗
      Warns that synthetic folic acid supplements may not convert effectively in many people due to a gene variant, potentially blocking cellular folate uptake and masking B12 deficiencies.
    • 4 Oct 2026 · Vitamin C · recommends · YouTube ↗
      Recommends consuming vitamin C to aid in NADPH recycling, which is necessary for glutathione to be reused after neutralizing oxidative stress.
    • 29 Sep 2026 · Vitamin C · uses · YouTube ↗
      Takes Purity's liquid liposomal vitamin C for immune support and overall wellness, finding it easy to add to water, juice, or take straight up due to its good taste.
    • 25 Sep 2026 · neutral · Facebook ↗
      Notes that garlic's allicin converts to hydrogen sulfide, which relaxes vessel walls.
    • 18 Sep 2026 · Vitamin C · neutral · Facebook ↗
      Compares the Vitamin C content of oranges (53mg) to guava (228mg), noting guava has 4x more.
    • 11 Sep 2026 · Green Tea · recommends · YouTube ↗
      Recommends sipping green tea while walking fasted in the morning to help extend the fat oxidation window.
  • Dave Asprey · Garlic · warns
    • 13 Sep 2026 · warns · X ↗
      Likes garlic but notices their brain feels less sharp when they eat a lot of it, even tracking the effect with EEG, and advises using it strategically, especially if it affects cognition.
    • 24 Oct 2026 · Vitamin C · recommends · Facebook ↗
      Recommends taking vitamin C for better skin health.
    • 7 Oct 2026 · Vitamin C · uses · YouTube ↗
      States that currently, he is only taking vitamin C and vitamin D.
    • 9 Sep 2026 · Green Tea · warns · YouTube ↗
      Warns that very high doses of EGCG or green tea extract could cause harm to the liver.
    • 4 Sep 2026 · warns · Podcast ↗
      Host Dave Asprey separates what the human data actually supports regarding raw garlic, modest blood pressure and cholesterol effects, real antimicrobial properties, and a genuine bleeding-risk caution for anyone on meds, from the unproven parasite-cleanse and brain fog claims driving the trend online.
    • 14 Aug 2026 · Vitamin C · neutral · Podcast ↗
      Dave Asprey reflects on how new research clarifies the mechanism behind IV vitamin C's anti-cancer effect, vindicating a decades-old idea that was dismissed for the wrong reasons.
    • 5 Aug 2026 · Folic Acid · warns · Facebook ↗
      Warns that folic acid is not the same as folate and that the body processes them differently.
    • 25 Jul 2026 · Vitamin C · neutral · Facebook ↗
      Notes that plain Vitamin C isn't enough and that most people never think to check for a specific ingredient that makes it work.
    • 25 Jul 2026 · Niacin · recommends · YouTube ↗
      Recommends niacin, a form of vitamin B3, as one of the two most important raw materials for NAD+ production, found in foods like beef liver, chicken, turkey, and fish, or from supplements.
    • 16 Jul 2026 · Vitamin C · warns · YouTube ↗
      Dave Asprey recommends taking maybe a gram of vitamin C a day in divided doses, noting that plasma levels peak around 250 milligrams twice a day.
    • 14 Jul 2026 · Vitamin C · recommends · YouTube ↗
      Recommends Qualia Vitamin C Plus, highlighting its combination of seven forms of vitamin C with 250 mg of citrus bioflavonoids, which helps with absorption and use for building collagen and a strong immune system.
    • 9 Jul 2026 · Vitamin C · warns · YouTube ↗
      Warns that taking too much vitamin C can raise oxalate levels, emphasizing that everything has risk and reward.
    • 1 Jul 2026 · Vitamin B12 · recommends · YouTube ↗
      States that Vitamin B12 is extremely important for every kind of brain function and recommends ensuring B12 levels are optimal, around 500, not just barely above normal.
    • 14 Jun 2026 · Vitamin C · recommends · Podcast ↗
      Recommends Vitamin C as the real biological fix for deep focus issues, explaining how the brain hoards it at levels 100 times higher than blood and how to bypass the blood-brain barrier.
  • Dr. Rhonda Patrick · Garlic · uses
    • 8 Sep 2026 · uses · Facebook ↗
      Rhonda's current diet includes a homemade salad dressing made with avocado, garlic, apple cider vinegar, and olive oil.
    • 28 Sep 2026 · Folic Acid · recommends · YouTube ↗
      Recommends a combination of methyl folate and folic acid, as folic acid has been shown to reduce neural tube defects.
    • 25 Aug 2026 · Vitamin C · neutral · Facebook ↗
      Lutein and zeaxanthin can also be obtained from certain multivitamins.
    • 5 Jun 2026 · Vitamin C · recommends · Instagram ↗
      Recommends nutrients like vitamin C for men to prioritize sperm mitochondrial health.
    • 4 May 2026 · Vitamin C · uses · YouTube ↗
      Dr. Rhonda Patrick's daughter chugs an Emergency fizzy drink in the morning to ensure she gets some vitamin C and micronutrients before school.
    • 5 Feb 2026 · Vitamin C · recommends · Facebook ↗
      Choosing a multivitamin that includes lutein and zeaxanthin ensures you get meaningful amounts every day.
    • 9 Jan 2026 · Vitamin C · neutral · Facebook ↗
      Notes that ~35% of Americans are low in vitamin C.
    • 29 Dec 2025 · Vitamin C · recommends · X ↗
      Recommends increasing vitamin C intake if concerned about skin aging, noting it is an essential cofactor for collagen synthesis.
    • 8 Oct 2025 · Vitamin B12 · warns · Facebook ↗
      Warns that Vitamin B12 enhances light's melatonin-suppressing effects and should be avoided too close to bedtime.
    • 9 Sep 2025 · Vitamin C · warns · YouTube ↗
      Suggests avoiding a multivitamin if it contains biotin before a testosterone blood test to prevent confounding results.
    • 4 Sep 2025 · Vitamin C · neutral · Facebook ↗
      Multiple randomized controlled trials show older adults taking a standard multivitamin (like Centrum Silver) had measurable improvements in processing speed, cognition, and episodic memory.
    • 11 Aug 2025 · Vitamin C · uses · X ↗
      Currently takes the Pure Encapsulations O.N.E Multivitamin.
    • 26 Jun 2025 · Vitamin C · uses · Facebook ↗
      Rhonda's current supplement routine includes Vitamin C.
    • 8 Jun 2021 · recommends · YouTube ↗
      Suggests that if someone is an 'immuno-ager,' they might want to take garlic to help with their immune system.
  • Ben Greenfield · Hibiscus · neutral
    • 18 Jul 2026 · neutral · YouTube ↗
      Notes that people have had luck with hibiscus tea as a natural option for blood pressure, but emphasizes that pharmaceuticals should be used if hypertension is severe.
    • 29 Oct 2026 · Vitamin C · recommends · YouTube ↗
      States that vitamin C is extremely important for collagen turnover and cites orthopedic data showing that 500 mg to 1 g of vitamin C can reduce the rate of complex regional pain in total knee replacements and wrist fractures.
    • 15 Oct 2026 · Vitamin C · recommends · Podcast ↗
      Mentions vitamin C as part of a bare-minimum protocol.
    • 12 Oct 2026 · Folic Acid · warns · Facebook ↗
      Warns that folic acid is an inactive form of folate that the body cannot efficiently convert, meaning one won't get the full benefit.
    • 24 Sep 2026 · Vitamin C · neutral · YouTube ↗
      Notes that while vitamin C has significant value, the optimal dose is a vexed question, and high doses might not always be beneficial, potentially blunting the hormetic effects of exercise.
    • 29 Aug 2026 · Niacin · neutral · YouTube ↗
      States that Nrf2 activators, when combined with something like niacin, may have a good effect on plaque progression.
    • 25 Aug 2026 · Vitamin C · neutral · X ↗
      Notes that IV vitamin C has been used for decades for cancer patients with almost no standardization and that he receives many questions about its effectiveness and combination with chemo.
    • 20 Aug 2026 · Folic Acid · warns · YouTube ↗
      Noted that too much folic acid doesn't necessarily help her due to her MTHFR gene.
    • 20 Aug 2026 · Green Tea · uses · YouTube ↗
      Drinks green tea in the morning as part of her quiet time.
    • 9 Jul 2026 · Vitamin C · recommends · YouTube ↗
      Recommends Vitamin C for skin repair post-tattoo.
    • 9 Jul 2026 · Vitamin B12 · recommends · YouTube ↗
      Recommends getting vitamin B12 tested and supplementing if deficient, as B12 deficiency can cause damage to the myelin coating around nerves, including cochlear nerves, and improve tinnitus severity scores.
    • 23 May 2026 · Garlic · recommends · YouTube ↗
      Recommends root spices like garlic for use on the AIP diet.
    • 25 Apr 2026 · Niacin · neutral · YouTube ↗
      Mentions nicotinamide as an ingredient found in many NAD products and notes that niacinamide and nicotinamide are structurally the same.
    • 25 Apr 2026 · Green Tea · uses · YouTube ↗
      States that Nuchido Time Plus includes green tea extract for its high level of EGCG, which inhibits the methylating enzyme NNMT, ensuring nicotinamide is recycled rather than excreted.
  • Bryan Johnson · Garlic · uses
    • 1 Jul 2026 · uses · X ↗
      Uses garlic as part of their breakfast.
    • 12 Jun 2026 · uses · X ↗
      Eats garlic for breakfast.
    • 7 Mar 2026 · Green Tea · uses · X ↗
      Takes Athletic Greens AG1 in the morning for gut health.
    • 16 Oct 2025 · uses · YouTube ↗
      Uses garlic, noting it has been shown to lower blood pressure and help the immune system.
    • 5 Jun 2025 · Vitamin B12 · uses · YouTube ↗
      States that Blueprint essential capsules and soft gels are packed with key vitamins and minerals needed for strong bone health.
    • 3 Feb 2025 · Vitamin C · neutral · YouTube ↗
      Uses Vitamin C as an example of how it would be great if people knew that when they took it, it had a measurable amount and wasn't polluted, which is what Brian ensures with his products.
    • 8 Jan 2025 · Vitamin C · uses · YouTube ↗
      Applies vitamin C after showering.
    • 2 Jul 2024 · uses · YouTube ↗
      Includes one odor-free garlic pill in his Blueprint stack.
    • 9 Dec 2023 · uses · YouTube ↗
      Adds one peeled clove of garlic to his Super Veggie for heart and immune health.
    • 26 Sep 2023 · Vitamin C · uses · YouTube ↗
      Takes 250 milligrams of Vitamin C.
    • 27 Jul 2023 · uses · YouTube ↗
      Includes garlic in his Super Veggie meal, which he eats at 7 AM.
    • 21 Jun 2023 · uses · YouTube ↗
      Takes garlic for liver enzymes and cholesterol management, and also eats it daily as part of his super veggie.
    • 25 Jan 2023 · uses · YouTube ↗
      Includes garlic in his daily 'Super Veggie' breakfast for its nutrient density.
    • Date not recorded · uses · Source ↗
      Uses chopped garlic in his Super Veggies.
  • Peter Attia · Garlic · uses
    • 31 Dec 2019 · uses · YouTube ↗
      States that he does not eat garlic.
    • 3 Jul 2025 · Vitamin C · stopped · YouTube ↗
      Recommends vitamin C as an important molecule for skin, noting its role as a precursor for collagen synthesis, a powerful antioxidant, and a regulator of complexion for even skin tone.
    • 29 Jun 2025 · Vitamin C · stopped · YouTube ↗
      Tried a vitamin C serum mixed with ferulic acid but stopped using it because she hated the smell. She notes that topical application of vitamin C far exceeds the levels achievable by ingestion for skin benefits.
    • 29 Jun 2025 · Niacin · uses · YouTube ↗
      Peter Attia's AVIA Skincare vitamin C serum also contains niacinamide, which is useful to apply to the skin right after washing.
    • 8 Jun 2025 · Folic Acid · recommends · YouTube ↗
      States that folic acid is important for anyone trying to get pregnant.
    • 9 Sep 2024 · Vitamin B12 · neutral · YouTube ↗
      Notes that deficiencies in certain vitamins and minerals, such as B12, can be a cause of hair loss in women.
    • 6 Sep 2024 · Vitamin C · neutral · YouTube ↗
      States that vitamin C deficiency is associated with an elevated risk of cataract, but supplementation to supranormal levels has not been shown to protect against cataract formation.
    • 19 Aug 2024 · Vitamin C · recommends · YouTube ↗
      Mentions the elimination of scurvy through the work of James Lind and the eventual understanding that it was due to vitamin C, initially thought to be just citrus.
    • 30 Jan 2023 · Niacin · stopped · YouTube ↗
      Used to prescribe niacin to many patients, primarily to raise HDL, lower APO B, triglycerides, LDL, and LP(a), but stopped after clinical trials showed minimal or disappointing effects on reducing cardiovascular events.
    • 7 Nov 2022 · Niacin · stopped · YouTube ↗
      Notes that niacin lowers LP little a but was not shown to have clinical benefit in outcome studies, and they are not currently using it.
    • 1 Aug 2022 · Niacin · neutral · YouTube ↗
      Recalls that a flush from niacin typically occurred with doses of a few grams.
    • 13 Jun 2022 · Niacin · warns · YouTube ↗
      Explains that niacin does reduce Lp(a) levels, increase HDL, and lower triglycerides, but two large cardiovascular outcome trials have shown no cardiovascular benefits and many side effects, such as flushing. He concludes that the cost-to-benefit ratio does not support its use.
    • 13 Jun 2022 · Niacin · neutral · Podcast ↗
      He dives into data on the possible treatments for lowering Lp(a) such niacin, meds, and PCSK9 inhibitors.
    • 7 Mar 2022 · Vitamin C · neutral · YouTube ↗
      Notes that while vitamin C deficiency is associated with an elevated risk of cataract, supplementation to supranormal levels has been conclusively shown not to protect against cataract formation.

RAL Summary

Members OnlyTier 2 for Blood Pressure

Garlic and hibiscus at full doses have several large pooled analyses showing lower blood pressure [1][3]. With 157 reviews, 94% of them positive, this meets the rules for tier 2.

Take 3 servings a day (3 capsules) to match the dose that worked in the studies.

Where the evidence disagrees: 134 of the 370 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Cardiovascular system, Kidneys and urinary system

Combine with: For blood pressure support, this product pairs well with magnesium (glycinate or citrate), potassium from food or a modest supplement, CoQ10, omega-3 fish oil, and beetroot or nitrate-rich extracts to support vascular tone and nitric oxide. Taurine and L-citrulline may further support healthy vessel function. Check with a doctor before combining with meds, meds, or potassium if you have kidney issues. For fast heartburn relief, a separate product is more appropriate, such as calcium carbonate antacids, alginate (sodium alginate) formulas, or a short-term H2 blocker, used as directed. For longer-term digestive comfort, consider DGL licorice, zinc-carnosine, or aloe vera, keeping them separate from this cardiovascular formula.

Possible side effects: Niacin can cause flushing at higher doses, and one reviewer warned about it. Some buyers reported damaged seals, clumped capsules or an odd smell in particular bottles.

Supplement Facts

Vitamin C 60 mg · Niacin, Granular 2.5 mg · Vitamin B6 5 mg
Supplement Facts
Serving Size 1 Capsule(s)
Servings Per Container 90
Amount Per Serving% Daily Value
Vitamin C60 mg
Niacin, Granular2.5 mg
Vitamin B65 mg
Folic Acid100 mcg
Vitamin B12100 mcg
Garlic, Powder150 mg†
Hibiscus, Powder100 mg†
Olive Leaf Extract125 mg†
Hawthorn Flower, Leaf Extract175 mg†
Buchu Leaf Extract25 mg†
Uva-Ursi Leaf Extract15 mg†
Juniper, Powder15 mg†
Green Tea Leaf Extract, Decaffeinated15 mg†
† Daily Value not established.

Other ingredients: Bovine Gelatin, Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide.

Directions: Suggested use 1 capsule taken 1 to 3 times daily preferably with meals or as directed by a healthcare professional.

Label source: NIH label database · Report a label change

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Our articles on this subject

Graded November 4, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.