Geri-Care Senior Tabs Review

This Amazon page sells the GeriCare Senior Tab 50+ Multivitamin and Minerals Tablets, shown as a 100 Count (Pack of 2) option, with 200 count listed in the measurements. The product details list the brand as GeriCare, item form as tablet, primary supplement type as minerals and multivitamin, flavor as unflavored, and product benefits as immune support. The age range is listed as adult, the specific use as overall, and the number of items as 2. The manufacturer part number is 551-01-GCP-2pk. The item is sold by Geri-Care Pharmaceuticals Corp. and shipped by Amazon. The About this item section describes a comprehensive formula in which each tablet contains a broad spectrum of vitamins and minerals, including vitamin D, B vitamins, antioxidants, and essential minerals such as calcium and zinc. It states that the tablet is rich in calcium, vitamin D, and magnesium to help maintain strong and healthy bones. It says the product is packed with antioxidants such as vitamin C, E, and selenium to help combat oxidative stress and promote a healthy immune system. It notes that B vitamins play a role in energy metabolism and help with fatigue and overall vitality. It describes vitamin E and B-complex vitamins as supporting cognitive function and brain health. It mentions minerals like magnesium and potassium to support muscle function, and it says the product incorporates key nutrients for digestive support, promoting nutrient absorption and a healthy gut. The allergen information is listed as nut free. The best sellers rank is shown as number 193,158 in Health and Household and number 2,075 in Multivitamins. The page shows a one-time price of $13.99 and a Subscribe and Save price of $12.59 with 15 percent savings, with a per count price of $0.07. The item is non-returnable due to food safety reasons, although damaged or defective items may be refunded or replaced with an image of the item and its defects. The page shows a 4.8 out of 5 star rating from 28 ratings and is marked as an Amazon's Choice item. The ingredients section on this page shows only the word Multi and does not print a full ingredient list, so the complete supplement facts are not available from this page alone. Buyers can compare this listing with other multivitamin products shown on the page, such as Centrum Minis Silver and Centrum Silver Women's, which appear in the related items section.

Tier ⓘ
Tier 4 · Rank 16
Tier 4 · Emerging. A promising mechanism or animal data, with thin human evidence so far. Rank 16 within Tier 4 for Bone Health; 46 of 67 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
60 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
100% of 38
Biohacker Mentions
9 of 10

Study, Trial or Testing Result Summary

Members Only293 human studies · 104 improved

2 of these 293 human studies gave the ingredient by drip or injection, not by mouth.

293 human studies104 improved130 no effect2,075,989 people studied

Vitamin D is the main bone ingredient here at a full dose. In older adults, 700 to 800 units a day cut hip fractures by about a quarter [1], but other reviews found no clear drop in fractures [2], and calcium plus vitamin D improved only pelvic bone density in women with thinning bones [3]. Zinc reaches a full dose at two tablets a day. In one trial, zinc with calcium, manganese and copper stopped spine bone loss in women past menopause [4]. Phosphorus also reaches a full dose at two tablets, but its clear benefit was seen only in premature babies [5]. Several helpful ingredients are well below studied doses. Vitamin K is 30 micrograms against 180 micrograms that slowed bone loss [6], and lycopene, vitamin E and potassium are only trace amounts [7][8][9]. Calcium is low next to trial doses, and even those trials showed little benefit [10]. Some ingredients do not help: folate and other B vitamins did not reduce fractures [11], and high vitamin A intake was linked to more hip fractures [12]. Animal and cell studies are never counted.

See all 293 studies →Hide the studies

Review Totals and Summary

Members Only38 reviews · 100% positive
38 reviews · Amazon 28 · Llmedico 3 · Xeteor 3 · Blowoutmedical 3 · Carewell 1
100% positive0% neutral0% negative

Across the stores, Geri-Care Senior Tabs show 29 ratings in total, but the themes below come from the written reviews that could be read on their pages, and only one store, Carewell, was included, with just one written review readable there. What buyers praise: The single written review comes from a verified buyer who gave 5 stars and recommended the product. They said they really like the vitamin and that it contains enough nutrients to cover the essentials without megadoses. The page also reports that 100% of reviewers recommend it, but that figure rests on one response, so it should not be read as a broad consensus. What buyers complain about: No complaints appear in the readable text. The page also shows a separate entry with a 0.0 star rating and no written text. That is not a written review, so it was not counted as feedback and says nothing about problems. Who it seems to suit: The only signal is from the reviewer's comment, which suggests it may suit people who want a multivitamin covering the basics at a modest dose rather than high-potency amounts. The reviewer did not say anything about their own age or health situation, so any further guess about who it is for would go beyond what was written. Form, size and ingredients: Two customer questions on the page add practical detail. When asked what the ingredients are, the Carewell team answered by listing the active ingredients (the list itself was not carried into the summary, so check the product page for specifics). When asked about tablet size, the team said the tablets are roughly half an inch long, about the size of a large pea. That is useful for anyone who has trouble swallowing pills, though no reviewer commented on how easy or hard they are to swallow. Taste, side effects, results and value: The written review does not mention taste, side effects, or results over time, and nothing was said about price or value for money. Those questions remain unanswered by the readable feedback. Other forms: No reviews of gummies, capsules or powder were included in what was read, so nothing had to be left out on that account; this summary covers the tablets only. Overall: with only one readable written review, the picture is very thin. The one reviewer was happy with the nutrient coverage and the modest dose, and the question-and-answer entries describe a fairly large, pea-sized tablet of about half an inch. Anyone wanting evidence on tolerability, taste or long-term benefit will need to look elsewhere, because the readable reviews do not address those topics.

Biohacker Summary

Members Only9 of 10 recommend it
9 of 10 biohackers on our panel recommend it

This product is a multivitamin and mineral tablet with no single main ingredient, so every ingredient here is a smaller ingredient in this product, and the panel's comments are best read by what came up most. Magnesium drew the most attention, with most of the panel recommending or using it, mainly at night for sleep, in forms such as glycinate and threonate, and one panelist takes 400 mg of threonate before bed. Vitamin D was recommended or used by about half the panel, who advise taking it in the morning with fat for better absorption, one citing 5000 IU of D3, and several pair it with vitamin K2 so calcium goes to the bones rather than the arteries. Vitamin C was recommended by a few for collagen and joint support, and zinc was described as helpful for sleep and testosterone, though one panelist warned that too much zinc can cause a copper deficiency. One panelist cautioned that extra biotin is often added and not always needed, and another prefers getting potassium from food rather than supplements.

See all 10 biohackers →Hide the biohackers
  • Dr. Eric Berg · Phosphorus · neutral
    • 8 Nov 2026 · neutral · Facebook ↗
      Lists phosphorus as an ingredient found in sardines.
    • 8 Nov 2026 · Selenium · neutral · Facebook ↗
      Notes that sardines are rich in selenium, which binds with mercury.
    • 8 Nov 2026 · Vitamin D · neutral · Facebook ↗
      Lists Vitamin D as an ingredient found in sardines.
    • 8 Nov 2026 · Vitamin B12 · neutral · Facebook ↗
      Mentions that one can of sardines provides 348% of the daily Vitamin B12.
    • 8 Nov 2026 · Calcium · neutral · Facebook ↗
      States that one can of sardines contains 382 mg of calcium.
    • 8 Nov 2026 · Iodine · recommends · Facebook ↗
      Recommends using povidone-iodine daily with a small bandage for skin tags and warts, stating it may help deactivate the virus behind these growths.
    • 8 Nov 2026 · Vitamin A · neutral · Facebook ↗
      Mentions that the body relies on healthy fats to absorb essential vitamins like A, D, E, and K, which help support skin health, moisture, and normal cell function.
    • 7 Nov 2026 · Selenium · recommends · Facebook ↗
      Recommends selenium as a trace mineral, noting that modern farming practices deplete it from the soil, leading to low levels in crops.
    • 7 Nov 2026 · Vitamin D · recommends · Facebook ↗
      Recommends Vitamin D3 because it's nearly impossible to get enough from food and most people don't get enough sun, advising to aim for blood levels of at least 50 to 80 ng/mL.
    • 7 Nov 2026 · Vitamin D · neutral · Instagram ↗
      Dr. Berg states that when nutrients like vitamin D are too low, fatigue and weakness can follow.
    • 7 Nov 2026 · Vitamin B12 · neutral · Instagram ↗
      Dr. Berg states that when nutrients like vitamin B12 are too low, fatigue and weakness can follow.
    • 7 Nov 2026 · Calcium · warns · Facebook ↗
      Warns against calcium supplements, citing studies that link them to a higher risk of heart attack, especially in postmenopausal women, and suggests getting calcium from dairy instead.
    • 7 Nov 2026 · Iodine · recommends · Facebook ↗
      Recommends iodine as a trace mineral, noting that modern farming practices deplete it from the soil, leading to low levels in crops.
    • 7 Nov 2026 · Iodine · recommends · Instagram ↗
      Dr. Eric Berg states that 80% of the body's iodine is concentrated in the thyroid, but other tissues like breast tissue, reproductive organs, and stomach also rely on iodine to function properly, emphasizing the importance of getting enough iodine even with a normally functioning thyroid.
  • Dr. Rhonda Patrick · Vitamin D · neutral
    • 8 Nov 2026 · neutral · Instagram ↗
      Notes that vitamin D from sunlight, food, or supplements needs to undergo conversions in the liver and kidneys to become its active hormone form, calcitriol.
    • 8 Nov 2026 · Magnesium · recommends · Instagram ↗
      Explains that magnesium helps the body activate and metabolize vitamin D, and that magnesium intake has been associated with lower odds of vitamin D deficiency and insufficiency.
    • 6 Nov 2026 · Magnesium · neutral · Instagram ↗
      Mentions that getting too little magnesium may play a role in declining testosterone levels.
    • 6 Nov 2026 · Zinc · neutral · Instagram ↗
      Mentions that getting too little zinc may play a role in declining testosterone levels, and that zinc helps the body make testosterone.
    • 4 Nov 2026 · neutral · Instagram ↗
      States that Vitamin D supplementation has been associated with a 40% lower dementia risk, and low levels are linked to a 50 to 80% higher risk.
    • 3 Nov 2026 · Magnesium · recommends · X ↗
      Recommends getting enough magnesium, around 300–400 mg daily from diet and supplements, as it is an essential cofactor for vitamin D metabolism. Magnesium glycinate is a good form.
    • 1 Nov 2026 · Magnesium · neutral · YouTube ↗
      Mentions magnesium as one of the micronutrients found in multivitamins that people often don't get enough of from their diets.
    • 1 Nov 2026 · Vitamin K · neutral · YouTube ↗
      Mentions vitamin K as one of the micronutrients found in multivitamins that people often don't get enough of from their diets.
    • 1 Nov 2026 · Folate · neutral · YouTube ↗
      Mentions folate as one of the micronutrients found in multivitamins that people often don't get enough of from their diets.
    • 31 Oct 2026 · Magnesium · neutral · YouTube ↗
      Explains that magnesium helps control blood pressure by boosting the production of substances that relax blood vessels and improve cardiovascular health, citing a meta-analysis that found magnesium supplementation at an average dose of 368 mg per day notably lowers both systolic and diastolic blood pressure.
    • 29 Oct 2026 · Magnesium · neutral · Facebook ↗
      Magnesium supplementation has lowered blood pressure in randomized controlled trials. An analysis of 34 trials involving over 2,000 participants found modest reductions in both systolic and diastolic pressure, with a median dose of 368 mg/day.
    • 28 Oct 2026 · recommends · YouTube ↗
      Recommends getting adequate vitamin D, noting that people taking vitamin D supplements have a 40% lower risk of dementia, while those with lower vitamin D have a 50-80% higher risk.
    • 16 Oct 2026 · Magnesium · warns · Facebook ↗
      Warns that some magnesium supplements make the dose look much larger than it really is and that labels can fool people.
    • 5 Oct 2026 · neutral · Facebook ↗
      Vitamin D supplementation was linked to a 40% lower risk of dementia in an observational study of more than 12,000 older adults.
  • Dave Asprey · Vitamin K · recommends
    • 7 Nov 2026 · recommends · YouTube ↗
      Explains that Vitamin K2 acts as a traffic cop for calcium, waving it into bones and away from arteries, and that grass-fed butter is one of the only foods with a real amount of K2.
    • 6 Nov 2026 · Manganese · neutral · X ↗
      Mentions that algae provides manganese.
    • 3 Nov 2026 · Magnesium · uses · Instagram ↗
      Looks at magnesium alongside protein to keep muscle for the long run.
    • 3 Nov 2026 · Magnesium · recommends · YouTube ↗
      Suggests adding magnesium to help keep potassium in the system longer, as they work hand in hand.
    • 3 Nov 2026 · Biotin · warns · YouTube ↗
      Mentions that most places put in extra biotin for hair growth, suggesting it's not always necessary or beneficial.
    • 3 Nov 2026 · Potassium · recommends · YouTube ↗
      Explains that potassium helps open a gate, allowing creatine to slip through and cross the blood-brain barrier more effectively.
    • 3 Nov 2026 · Vitamin C · neutral · YouTube ↗
      Recounts a doctor telling him in his 20s that vitamin C would kill him.
    • 1 Nov 2026 · Vitamin D · uses · Facebook ↗
      Takes Vitamin DAKE from Suppgrade Labs.
    • 31 Oct 2026 · Magnesium · neutral · YouTube ↗
      Mentions magnesium in the context of sleep but states that it doesn't address the core issue of waking up during the night.
    • 25 Oct 2026 · Magnesium · recommends · Podcast ↗
      Suggests that magnesium may help slow aging, support cellular repair, and improve sleep.
    • 25 Oct 2026 · Vitamin D · recommends · Podcast ↗
      Suggests that vitamin D supports brain health, muscle function, and focus.
    • 24 Oct 2026 · Vitamin C · recommends · Facebook ↗
      Recommends taking vitamin C for better skin health.
    • 17 Oct 2026 · Magnesium · neutral · Facebook ↗
      States that magnesium can affect how the body responds to a supplement.
    • 17 Oct 2026 · Folate · neutral · Facebook ↗
      States that folate can affect how the body responds to a supplement.
  • Thomas DeLauer · Vitamin C · recommends
    • 6 Nov 2026 · recommends · YouTube ↗
      Recommends whole food vitamin C, found in kiwi fruit, citrus, and bell peppers, to help clear uric acid by competing at kidney transporters, preventing reabsorption.
    • 5 Nov 2026 · Magnesium · recommends · YouTube ↗
      Recommends taking magnesium glycinate and threonate at night to act as a brake on the nervous system, block excitatory signaling, help wind down, and support serotonin and melatonin production for better sleep.
    • 5 Nov 2026 · Vitamin K · recommends · YouTube ↗
      Recommends taking Vitamin K2 with Vitamin D3 in the morning, along with morning fats, to ensure calcium is directed to the bones and not deposited in arteries or soft tissue.
    • 5 Nov 2026 · Vitamin D · recommends · YouTube ↗
      Recommends taking Vitamin D3 in the morning, between 6:00 and 10:00 a.m., to align with the body's natural metabolic activation phase and sunlight-triggered vitamin D production.
    • 4 Nov 2026 · Magnesium · neutral · YouTube ↗
      Mentions that magnesium glycinate also helps a lot with sleep.
    • 2 Nov 2026 · Magnesium · neutral · YouTube ↗
      Mentions that restless leg syndrome is often treated with magnesium, but states that the sensation is actually coming from three other issues.
    • 2 Nov 2026 · Potassium · recommends · YouTube ↗
      Recommends Element electrolytes, noting they are focused on sodium first, then potassium, then magnesium, helping with sending signals and hydrating tissue.
    • 28 Oct 2026 · Magnesium · uses · YouTube ↗
      Uses Element's cans which contain 30 milligram magnesium, finding that electrolytes help his workout performance.
    • 28 Oct 2026 · Potassium · uses · YouTube ↗
      Uses Element's cans which contain 100 milligram potassium, finding that electrolytes help his workout performance.
    • 26 Oct 2026 · recommends · YouTube ↗
      Recommends taking vitamin C along with collagen about an hour before a workout for connective tissue benefits.
    • 24 Oct 2026 · Magnesium · uses · YouTube ↗
      Uses Element's 30 mg magnesium cans first thing in the morning to prime his day and help with workout performance.
    • 24 Oct 2026 · Potassium · uses · YouTube ↗
      Uses Element's 100 mg potassium cans first thing in the morning to prime his day and help with workout performance.
    • 23 Oct 2026 · 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.
    • 23 Oct 2026 · Magnesium · recommends · YouTube ↗
      Recommends magnesium around the time one would normally break a fast to calm the brain and dull feelings of conditioned hunger.
  • Andrew Huberman · Zinc · neutral
    • 5 Nov 2026 · neutral · YouTube ↗
      Notes that AG1 Pro contains zinc carnosine to support and improve the lining of the gut.
    • 4 Nov 2026 · Magnesium · recommends · Instagram ↗
      Notes that Les Spellman's team includes 'Magnesium timed right' as part of their game plan to optimize recovery in unfavorable conditions.
    • 29 Oct 2026 · uses · YouTube ↗
      Zinc carnosine to support and improve the lining of your gut.
    • 26 Oct 2026 · uses · YouTube ↗
      Notes that AG1 Pro contains zinc carnosine to support and improve the lining of the gut.
    • 22 Oct 2026 · Magnesium · neutral · Podcast ↗
      Discusses Magnesium Threonate as a tool for falling asleep.
    • 19 Oct 2026 · recommends · YouTube ↗
      States that AG1 Pro contains zinc carnosine to support and improve the lining of the gut.
    • 12 Oct 2026 · uses · YouTube ↗
      Uses AG1 Pro, which contains zinc carnosine to support and improve the lining of the gut.
    • 28 Sep 2026 · uses · YouTube ↗
      States that AG1 Pro contains zinc carnosine to support and improve the lining of the gut, and he was already taking some of these ingredients separately.
    • 21 Sep 2026 · uses · YouTube ↗
      States that AG1 Pro includes zinc carnosine, which he was already taking separately, to support and improve the lining of the gut.
    • 21 Sep 2026 · Vitamin D · neutral · YouTube ↗
      Notes that most people are probably deficient in vitamin D and benefit from supplementing, but there's no point in doing it unless you're deficient for most things.
    • 14 Sep 2026 · uses · YouTube ↗
      Personally takes zinc carnosine, which is included in AG1 Pro to support and improve the lining of the gut.
    • 31 Aug 2026 · uses · YouTube ↗
      AG1 Pro has zinc carnosine to support and improve the lining of your gut. Some of these ingredients I personally was already taking separate from the AG1 formula.
    • 24 Aug 2026 · recommends · YouTube ↗
      States that AG1 Pro contains zinc carnosine to support and improve the lining of your gut.
    • 7 Aug 2026 · Magnesium · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
  • Dr. Mark Hyman · Magnesium · recommends
    • 4 Nov 2026 · recommends · YouTube ↗
      Recommends magnesium breakthrough advanced ten from Biooptimizers, which is their most complete magnesium formula with 10 bioavailable forms and 550 milligrams of elemental magnesium, designed to support restful restorative sleep, muscle recovery, stress resilience, and metabolic health.
    • 4 Nov 2026 · Vitamin D · uses · YouTube ↗
      Consumes Zetopia's Atlantic salmon to get Vitamin D, particularly in the winter months, as it is one of the few foods that provides both Omega-3s and Vitamin D.
    • 1 Nov 2026 · uses · Facebook ↗
      Recommends considering magnesium glycinate before bed for nervous system support, deeper sleep quality, and to help the body transition into rest, and states that they take it every night.
    • 29 Oct 2026 · neutral · YouTube ↗
      Explains that a lack of magnesium can cause muscles and nerves to malfunction, resulting in muscle weakness, twitching, and cramps.
    • 29 Oct 2026 · Vitamin D · neutral · YouTube ↗
      Mentions that the body makes vitamin D from sunlight exposure, and a deficiency can hinder calcium absorption, which is crucial for strong bones.
    • 29 Oct 2026 · Zinc · neutral · YouTube ↗
      Explains that zinc is important for the body's repair crew, helping to heal damaged tissue, and a deficiency can lead to cuts and wounds taking longer to heal.
    • 26 Oct 2026 · Vitamin D · recommends · Facebook ↗
      Recommends Vitamin D for health, stating that amazing things happen when patients' vitamin D statuses reach optimal levels.
    • 21 Oct 2026 · recommends · YouTube ↗
      Recommends Magnesium Breakthrough Advanced 10 from Bioptimizers for restful sleep, muscle recovery, stress resilience, and metabolic health, especially during stressful times of the year.
    • 21 Oct 2026 · Vitamin D · neutral · YouTube ↗
      Mentions vitamin D as an existing biomarker that plays a role in mental health, which Function Health includes in their measurements.
    • 21 Oct 2026 · Folate · neutral · YouTube ↗
      Notes that taking folate can lower homocysteine levels, which has shown health benefits and physical improvements in brain scans in clinical trials.
    • 19 Oct 2026 · Vitamin D · neutral · YouTube ↗
      Notes that vitamin D plays a role in immune function.
    • 19 Oct 2026 · Folate · neutral · YouTube ↗
      Notes that some people may need a little bit extra folate with a supplement.
    • 19 Oct 2026 · Vitamin A · neutral · YouTube ↗
      Mentions that vitamin A levels can be looked at to get a deep sense of what's happening with nutrient levels.
    • 16 Oct 2026 · Potassium · warns · Facebook ↗
      Warns that potassium bromate, a dough conditioner banned in the EU, UK, and Canada, is still allowed in U.S. bread.
  • Siim Land · Vitamin D · recommends
    • 31 Oct 2026 · recommends · YouTube ↗
      Advises against taking vitamin D in the morning with other supplements because it is fat soluble and requires dietary fat for better absorption.
    • 29 Oct 2026 · recommends · Instagram ↗
      Recommends taking Vitamin D with fat for better absorption.
    • 29 Oct 2026 · Vitamin C · recommends · Instagram ↗
      Recommends taking vitamin C with collagen to support joint collagen synthesis.
    • 25 Oct 2026 · Magnesium · recommends · Instagram ↗
      States that Magnesium can be a useful addition for some people for sleep.
    • 24 Oct 2026 · neutral · Instagram ↗
      States that Vitamin D connects biology to light and that UVB reaching the skin enables its production.
    • 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.
    • 14 Oct 2026 · Copper · neutral · Instagram ↗
      Mentions that copper is a mineral necessary for making collagen.
    • 12 Oct 2026 · Magnesium · recommends · YouTube ↗
      Recommends magnesium for sleep, especially deep sleep, and suggests trying better types like Threonate, Biscinate, or Torate, referencing a study where magnesium supplementation improved deep sleep.
    • 9 Oct 2026 · Vitamin K · neutral · Instagram ↗
      Notes that Vitamin K2 helps activate proteins involved in bone mineralization and calcium regulation.
    • 8 Oct 2026 · Vitamin K · neutral · YouTube ↗
      Mentions that prunes contain vitamin K, which is a factor in their ability to help with bone density.
    • 7 Oct 2026 · Magnesium · recommends · Instagram ↗
      Recommends Magnesium for blood pressure, migraines and deficiency, based primarily on human research, especially randomized controlled trials showing measurable benefits.
    • 7 Oct 2026 · Vitamin K · recommends · Instagram ↗
      Recommends Vitamin K2 for bone health and calcium metabolism, based primarily on human research, especially randomized controlled trials showing measurable benefits.
    • 6 Oct 2026 · Magnesium · neutral · X ↗
      Lists Magnesium as one of 15 supplements backed by human studies.
    • 6 Oct 2026 · Vitamin K · neutral · X ↗
      Lists Vitamin K2 as one of 15 supplements backed by human studies.
  • Ben Greenfield · Copper · neutral
    • 29 Oct 2026 · neutral · YouTube ↗
      Mentions that overshooting zinc can lead to a copper deficiency, highlighting the interplay between these elements.
    • 29 Oct 2026 · Magnesium · uses · YouTube ↗
      Uses magnesium during surgery because it is neuroprotective.
    • 29 Oct 2026 · Zinc · warns · YouTube ↗
      Ben Greenfield's formulation includes 30 grams of zinc a day, taken for one week before surgery and two weeks after, as it is an important cofactor for wound healing.
    • 29 Oct 2026 · Vitamin E · neutral · YouTube ↗
      Mentions a recent study showing no significant increase in bleeding for patients on Vitamin E supplementation during open heart surgery, which was interesting for him to learn.
    • 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.
    • 29 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Notes that Vitamin D is actually a hormone and recommends patients aim for levels around 40 to 50, or even 60 for fracture healing, for optimal healing, as opposed to just above 20 which is considered normal.
    • 22 Oct 2026 · Magnesium · uses · YouTube ↗
      Says he is drinking LMNT, which contains sodium, potassium, and magnesium, and states that he actually drinks this stuff.
    • 22 Oct 2026 · Potassium · uses · YouTube ↗
      Says he is drinking LMNT, which contains sodium, potassium, and magnesium, and states that he actually drinks this stuff.
    • 21 Oct 2026 · Vitamin A · neutral · Instagram ↗
      Notes that Vitamin A is a fat-soluble vitamin that supports healthy skin cell turnover.
    • 15 Oct 2026 · Magnesium · recommends · Podcast ↗
      Mentions magnesium as part of a bare-minimum protocol.
    • 15 Oct 2026 · Magnesium · recommends · YouTube ↗
      Advises getting red blood cell magnesium levels to the high end of the range as a minimum step for overall health and to slow down heart disease.
    • 15 Oct 2026 · Vitamin C · recommends · Podcast ↗
      Mentions vitamin C as part of a bare-minimum protocol.
    • 15 Oct 2026 · Vitamin D · recommends · Podcast ↗
      Mentions vitamin D as part of a bare-minimum protocol.
    • 15 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Advises getting vitamin D levels between 60 and 100 nanograms per milliliter as a minimum step for overall health and to slow down heart disease.
  • Bryan Johnson · Vitamin K · uses
    • 22 Oct 2026 · uses · X ↗
      Takes 90 mcg of Vitamin K2 in the morning for general health.
    • 22 Oct 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for general health.
    • 22 Oct 2026 · Magnesium · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 15 Aug 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for general health.
    • 15 Aug 2026 · Magnesium · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 3 Jul 2026 · Vitamin D · neutral · X ↗
      Mentions that the sunlight assessment claims low vitamin D levels cause the immune system to misfire, and notes that their vitamin D has been measured.
    • 4 May 2026 · uses · X ↗
      Takes 100 mcg of Vitamin K2 in the morning for longevity.
    • 4 May 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for longevity.
    • 4 May 2026 · Magnesium · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 4 May 2026 · Zinc · uses · X ↗
      Takes 15 mg of Zinc in the morning for longevity.
    • 2 May 2026 · uses · X ↗
      He takes 100 mcg of Vitamin K2 in the morning for general health.
    • 2 May 2026 · Vitamin D · uses · X ↗
      He takes 5000 IU of Vitamin D3 in the morning for general health.
    • 2 May 2026 · Magnesium · uses · X ↗
      He takes 400 mg of Double Wood Magnesium L-Threonate before bed for sleep.
    • 21 Apr 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for general health.
  • Peter Attia · Potassium · recommends
    • 6 Sep 2026 · recommends · YouTube ↗
      States there is some evidence that increasing dietary potassium through potassium-rich foods like bananas and potatoes, rather than supplements, can lower blood pressure.
    • 1 Jun 2026 · Magnesium · neutral · Podcast ↗
      Peter reviews the evidence for select off-label medications and supplements commonly used for sleep, including glycine, magnesium, ashwagandha, and phosphatidylserine.
    • 4 Jan 2026 · Magnesium · recommends · YouTube ↗
      Suggests that zinc and magnesium could potentially help with vasodilation and sleep, particularly for women experiencing severe symptoms in the luteal phase.
    • 4 Jan 2026 · Vitamin D · uses · YouTube ↗
      Lists vitamin D as one of her staple supplements.
    • 4 Jan 2026 · Zinc · recommends · YouTube ↗
      Suggests that zinc and magnesium could potentially help with vasodilation and sleep, particularly for women experiencing severe symptoms in the luteal phase.
    • 17 Nov 2025 · Iodine · warns · Podcast ↗
      Discusses the dangers of supplementing with high levels of iodine.
    • 16 Nov 2025 · Vitamin D · neutral · YouTube ↗
      Notes that several studies show patients taking vitamin D can reduce TPO levels and prolong the honeymoon period of Hashimoto's disease.
    • 16 Nov 2025 · Iodine · warns · YouTube ↗
      Warns that high-dose iodine supplementation carries a risk of autoimmune thyroid disease, citing increased incidence in Japan due to higher dietary iodine intake.
    • 16 Nov 2025 · Selenium · neutral · YouTube ↗
      Notes that several studies show patients taking selenium can reduce TPO levels and prolong the honeymoon period of Hashimoto's disease.
    • 15 Sep 2025 · Magnesium · recommends · Podcast ↗
      Peter discusses electrolytes and fiber and the ketogenic diet, specifically preventing magnesium loss.
    • 6 Aug 2025 · Vitamin D · neutral · YouTube ↗
      States that in mouse studies, there was a combined effect of alpha ketoglutarate with vitamin D for both sexes.
    • 6 Aug 2025 · Vitamin A · neutral · YouTube ↗
      Notes that in mouse studies, there was a combined effect of alpha ketoglutarate with vitamin A for male mice.
    • 3 Aug 2025 · Vitamin D · neutral · YouTube ↗
      Uses vitamin D as an example of how people might dismiss its efficacy due to failed clinical trials that didn't adjust the dose or measure levels.
    • 20 Jul 2025 · Vitamin D · neutral · YouTube ↗
      In mouse studies, Peter Attia's team found a combined effect of AKG with Vitamin D for both sexes.

RAL Summary

Members OnlyTier 4 for Bone Health

Tier 4 fits: the human evidence for the full-dose ingredients, mainly vitamin D, is mixed, most other bone ingredients are below studied doses, and 48 reviews is too few for a higher tier [1][2].

Take 2 servings a day (2 tablets) to match the dose that worked in the studies.

  • Emerging: not enough evidence to rank higher yet.

Where the evidence disagrees: 130 of the 293 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Skeletal system

Combine with: For bone health, pair this with vitamin K2 (MK-7) to direct calcium into bone rather than soft tissue, and magnesium (glycinate or citrate) for calcium metabolism and vitamin D activation. Boron and a collagen peptide supplement can further support bone matrix, and weight-bearing exercise with adequate protein helps maintain bone density. If you have thyroid concerns, use a separate thyroid-specific formula containing selenium, iodine (only if advised by a clinician), and zinc, and take calcium at least 4 hours apart from meds such as a med. Consult your healthcare provider before combining supplements.

Possible side effects: No major side effects reported at these doses; studies linked high vitamin A or retinol intake to a higher risk of hip fracture.

Supplement Facts

Vitamin A 750 mcg · Vitamin C 60 mg · Vitamin D 25 mcg
Supplement Facts
Serving Size 1 Tablet(s)
Servings Per Container 100
Amount Per Serving% Daily Value
Vitamin A750 mcg
Vitamin C60 mg
Vitamin D25 mcg
Vitamin E22.5 mg
Vitamin K30 mcg
Thiamine1.5 mg
Riboflavin1.7 mg
Niacin20 mg
Vitamin B63 mg
Folate680 mcg DFE
Vitamin B1225 mcg
Biotin30 mcg
Pantothenic Acid10 mg
Calcium220 mg
Phosphorus20 mg
Iodine150 mcg
Magnesium50 mg
Zinc11 mg
Selenium19 mcg
Copper0.5 mg
Manganese2.3 mg
Chromium50 mcg
Molybdenum45 mcg
Chloride72 mg
Potassium80 mg
Lutein250 mcg†
Lycopene300 mcg†
† Daily Value not established.

Other ingredients: Cellulose, Gelatin, Stearic Acid, Croscarmellose Sodium, Crospovidone, Starch, Acacia, Maltodextrin, Hypromellose, Polydextrose, Citric Acid, Magnesium Stearate, Titanium Dioxide, Silica, Sodium Lauryl Sulfate, Sucrose, Mannitol, Povidone, Talc, Triglycerides, Sodium Ascorbate, Tocopherols, Glucose, Sodium Benzoate, Corn Oil, Sorbic Acid, BHT, FD&C Blue #2 Lake, FD&C Red #40 Lake, FD&C Yellow #6 Lake.

Directions: Suggested use: Adults - One tablet daily as a dietary supplement, preferably with a meal, or as recommended by your health professional.

Barcode (UPC) 357896551018 · Label source: NIH label database · Report a label change

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Graded November 10, 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.