Ultima Replenisher Raspberry Review

Ultima Replenisher Raspberry is a Daily Electrolyte Drink Mix sold by Ultima Replenisher, presented on the page as a crowd-pleasing, berry-bursting raspberry electrolyte drink mix. The page describes it as a customer favorite, with a pleasing raspberry color and a fruity flavor. Each serving is said to deliver a boost of six electrolytes to help punch up energy for a good day. The product is offered as a powder drink mix, sold in 20-serving stickpacks, a 30-serving canister, and a 90-serving canister, with a one-time purchase price of $20.99 shown as $1.05 per serving, and a subscribe and save option at 10 percent off. The page notes free shipping on every delivery for subscriptions, the ability to skip, pause, or cancel anytime, and the option to swap flavors before any shipment. The page presents Ultima Replenisher as a hydration formula. It states that the product helps the body absorb and retain water more effectively than plain water alone, supporting energy, focus, and physical performance throughout the day. The recipe is described as using a broad spectrum of minerals to mimic the sweat profile. The page suggests use during workouts, while recovering from travel, or while building a better hydration habit, with one scoop as the usual amount. Nutritional claims listed on the page include zero sugar, zero calories, zero carbohydrates, zero fat, and zero protein per serving, with sodium at 55 mg. The listed minerals per serving include calcium 47 mg, potassium 250 mg, vitamin C 100 mg, phosphorus 70 mg, magnesium 100 mg, zinc 1 mg, manganese 0.2 mg and chloride 78 mg. The page labels the product sugar-free, keto, low carb, low sodium, vegan, vegetarian, non-GMO, free of artificial colors, flavors and sweeteners, and Zero Calorie. Sweetness comes from Rebaudioside A from organic stevia leaf extract, and color comes from a blend of beet juice and annatto extract. The usage directions say one serving fits 16 to 20 ounces of cold water, that the mix should be stirred or shaken until dissolved, and that it is best enjoyed chilled though it works hot or cold. The FAQ says the raspberry flavor is caffeine-free with no artificial colors or dyes, and that it is included in certain variety packs. The page says the hydration products are NSF Non-GMO Project Verified and offers a 60-day guarantee for refunds or exchanges.

Product Focus: Hydration MenAlso covers:Muscles
Tier ⓘ
Tier 3 · Rank 1
Tier 3 · Reviewed. Strong review agreement, with limited or early support from human studies. Rank 1 within Tier 3 for Hydration Men; 1 of 4 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
76 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
94% of 69,649
Biohacker Mentions
10 of 10
Cost per month
$31

Study, Trial or Testing Result Summary

Members Only38 human studies · 15 improved

7 of these 38 human studies gave the ingredient by drip, not by mouth.

38 human studies15 improved19 no effect40,164 people studied

No ingredient in this drink mix has strong human evidence for better hydration in men at the amounts it contains. Magnesium is the best-studied ingredient, but this serving gives 100 mg, below the 800 mg that, taken with creatine, shifted more water into cells in a small trial [1]. A 200 mg dose eased swelling and bloating in women only in the second month [2]. Salt drinks restored blood plasma volume better than plain water in 10 men at altitude [3] and improved fluid retention in 12 female athletes exercising in the heat [4]. The chloride here comes from a modest 79 mg serving. Studies of salt water given into a vein in hospital patients were mixed [5][6]. Vitamin C did not improve skin hydration more than placebo [7][8]. Potassium studies did not test hydration directly [9][10]. Calcium, zinc, selenium, chromium and molybdenum have no useful hydration trials [11][12][13][14]. Phosphorus, copper and manganese have no human studies for this goal. Animal and cell studies are never counted.

See all 38 studies →Hide the studies

Review Totals and Summary

Members Only69,649 reviews · 94% positive
69,649 reviews · Centralmarket 41,754 · Walmart 15,500 · CVS 2,939 · Target 2,935 · Amazon 2,858 · IHerb 2,002 · Ultima Replenisher 1,363 · Vitacost 298
94% positive1% neutral5% negative

Shoppers are broadly happy with Ultima Replenisher Raspberry, with about 27,597 ratings across the stores and most of them favorable. Buyers praise the clean ingredient list and the mild, refreshing taste, and the criticism is limited and scattered. **What buyers say it did for them:** Many use it around workouts, hikes and sports and describe better hydration and energy. One says "I noticed an immediate boost in hydration and energy," and another reports "reduced fatigue and quicker muscle recovery after regular use." One reviewer says it helps them "drink more water." The iHerb page summary adds that some feel fewer muscle aches and cramps. One reviewer drank it after major surgery because other options were high in sugar. Several people use it every day. **What they complain about:** Complaints are few. One 1-star reviewer objects to the potassium phosphates and the stevia-type sweeteners, calling them unsafe additives. This is the only low rating among the reviews. The store summaries add that a few people find the drink too sweet or notice an aftertaste, and that one reviewer preferred lemon. One buyer said the mix contains some sugar, so it is not fully keto-friendly. One reviewer who tried the cherry pomegranate flavor found it far too sweet. Another says the powder "does settle after a while," so a shaker bottle helps. **Taste, smell, pill size or form:** Taste is the strongest theme. Reviewers like that it is "not overpowering or too sweet," and one says there is "no weird aftertaste." The store pages call the raspberry fruity, fresh and juice-like. The powder is described as fine, quick to dissolve, with no clumping or residue. One reviewer says it is "Melting rapidly." The single-serve sachets are called practical and travel-friendly, and the packaging is described as sturdy. Some reviews cover other flavors (grape, orange, lemon, blue raspberry, pina colada), which are not the raspberry powder. The pina colada flavor was called very coconut-forward. Gummies and capsules were not part of what I read. **Value for money:** Opinions on price are mostly favorable. One reviewer says it is "better than the more expensive brands," and another says it is "worth the cost for real ingredients." One was "skeptical of the price" before becoming a fan. Another says the quantity is "really good for the price." **Who it seems to suit and who it did not:** It suits active people who want hydration for the gym, travel, hot-weather training or long days. It also suits people who want to avoid added sugar and artificial ingredients. Reviewers mention pre-diabetes and a diabetic buyer who liked the no-sugar profile, and one person who can't have sucralose. One reviewer who needs extra salt found it a tasty way to get electrolytes. It suits those who like a lighter, less sweet drink. It is a poorer fit for people who dislike sweetness or aftertaste, strict keto followers, and anyone who wants to avoid stevia or potassium phosphates.

Biohacker Summary

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

Magnesium, the main ingredient, drew comment from all ten panelists: four use it, two recommend it, and four are neutral. Sleep is the most common reason, including deeper sleep and falling asleep, and others mention muscle function, cramps, electrolytes, workout performance, and stress. For forms, one panelist takes glycinate at night, several favor threonate (one takes 400 mg before bed), and one suggests threonate or similar types for deep sleep, while two use electrolyte drinks or cans that contain magnesium, one at 30 mg in the morning. One panelist warns that labels can overstate the real magnesium dose, one says it does not fix waking during the night, and no one reports stopping. Zinc, potassium, vitamin C and the other minerals are smaller ingredients in this product, and several panelists back them for testosterone, collagen and gut or colon function.

See all 10 biohackers →Hide the biohackers
  • Dr. Mark Hyman · Magnesium · uses
    • 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.
    • 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.
    • 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.
    • 14 Oct 2026 · recommends · TikTok ↗
      Recommends magnesium because it is involved in over 600 reactions in the body and up to 80% of people may have low levels that never get flagged on a standard blood test.
    • 12 Oct 2026 · recommends · YouTube ↗
      Recommends magnesium as a basic supplement during detoxification to support pathways, help with constipation, and provide electrolytes.
    • 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 · recommends · YouTube ↗
      Recommends Magnesium Breakthrough Advanced 10 from Biooptimizers, which contains 10 bioavailable forms and 550 mg of elemental magnesium, to support restful sleep, restorative sleep, muscle recovery, stress resilience, and metabolic health.
    • 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.
    • 7 Oct 2026 · Zinc · uses · YouTube ↗
      Gave a patient with psoriatic arthritis a little zinc, which contributed to significant improvement in her condition.
    • 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 · 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.
    • 5 Oct 2026 · Zinc · recommends · YouTube ↗
      Recommends ensuring adequate zinc intake on a regular basis for immune support, noting some data on zinc lozenges for early cold.
    • 5 Oct 2026 · Selenium · recommends · YouTube ↗
      Includes selenium in a formula he uses to support health during the winter season.
  • Dave Asprey · Magnesium · neutral
    • 31 Oct 2026 · 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 · recommends · Podcast ↗
      Suggests that magnesium may help slow aging, support cellular repair, and improve sleep.
    • 24 Oct 2026 · Vitamin C · recommends · Facebook ↗
      Recommends taking vitamin C for better skin health.
    • 17 Oct 2026 · neutral · Facebook ↗
      States that magnesium can affect how the body responds to a supplement.
    • 7 Oct 2026 · Vitamin C · uses · YouTube ↗
      States that currently, he is only taking vitamin C and vitamin D.
    • 7 Oct 2026 · Zinc · uses · YouTube ↗
      Developed a nonnano zinc sunscreen over five years, stating her skin is probably better now than it's ever been.
    • 27 Sep 2026 · recommends · Podcast ↗
      Recommends fixing sleep with 300mg of Magnesium 101 before bed if diet and exercise aren't melting stubborn belly fat.
    • 7 Sep 2026 · uses · Instagram ↗
      Dave Asprey says his daily routine includes magnesium as part of a carefully developed combination for longevity.
    • 5 Sep 2026 · recommends · YouTube ↗
      Recommends magnesium glycinate for sleep, stating that trials show it helps people fall asleep about 17 minutes faster and that he finds it incredibly effective.
    • 3 Sep 2026 · recommends · YouTube ↗
      Mentions magnesium glycinate as one of the five gut-friendly, extensively researched ingredients in Kill Switch that helps with natural sleep.
    • 3 Sep 2026 · Zinc · recommends · YouTube ↗
      Emphasizes the importance of having enough zinc before trying advanced longevity strategies like peptides.
    • 3 Sep 2026 · Copper · recommends · YouTube ↗
      Emphasizes the importance of having enough copper before trying advanced longevity strategies like peptides.
    • 3 Sep 2026 · Manganese · recommends · YouTube ↗
      Emphasizes the importance of having enough manganese before trying advanced longevity strategies like peptides.
    • 3 Sep 2026 · Molybdenum · recommends · YouTube ↗
      Emphasizes the importance of having enough molybdenum before trying advanced longevity strategies like peptides.
  • Dr. Eric Berg · Magnesium · neutral
    • 30 Oct 2026 · neutral · Instagram ↗
      Dr. Eric Berg states that magnesium supports energy, muscle function, and sleep, and that most of it is stored inside cells, making deficiencies harder to detect with a standard blood test.
    • 31 Oct 2026 · Zinc · recommends · YouTube ↗
      Recommends ensuring sufficient zinc intake because the prostate needs enough zinc for the conversion from testosterone to DHT to be smooth and optimized.
    • 29 Oct 2026 · Potassium · recommends · Podcast ↗
      States that people need more potassium than any other mineral, yet most people aren’t getting enough.
    • 28 Oct 2026 · neutral · YouTube ↗
      Notes that magnesium could also be a factor in preventing muscle cramps.
    • 28 Oct 2026 · Potassium · recommends · YouTube ↗
      Explains that potassium is essential for peristalsis, the pumping action through the colon, and without it, things can sit there, leading to constipation.
    • 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 · recommends · YouTube ↗
      Recommends magnesium, specifically magnesium glycinate, stating it is key for D3 and K2 to work and is probably more important than calcium for building bone.
    • 25 Oct 2026 · recommends · X ↗
      Recommends increasing magnesium to restore balance and support healthy blood pressure.
    • 25 Oct 2026 · Potassium · neutral · YouTube ↗
      Explains that the normal requirements for potassium are 4,700 mg every single day, and that very few people get half of that amount. They describe potassium's role in the sodium potassium pump, which is essential for cellular electricity, muscle contraction, and heart function. Deficiency can lead to tiredness, muscle cramps, heart palpitations, or rising blood pressure.
    • 25 Oct 2026 · Potassium · recommends · X ↗
      Recommends increasing potassium to restore balance and support healthy blood pressure.
    • 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.
    • 25 Oct 2026 · Calcium · warns · YouTube ↗
      Warns that bone loss cannot be fixed with just calcium, as bone is primarily collagen with other essential minerals.
    • 24 Oct 2026 · recommends · Instagram ↗
      Dr. Eric Berg suggests that magnesium could help support deeper, more restful sleep.
    • 24 Oct 2026 · recommends · YouTube ↗
      Recommends Magnesium Glycinate, noting that the combination of magnesium and glycine is helpful for connective tissue, sleep, and reducing stress.
  • Ben Greenfield · Magnesium · uses
    • 29 Oct 2026 · uses · YouTube ↗
      Uses magnesium during surgery because it is neuroprotective.
    • 29 Oct 2026 · Copper · neutral · YouTube ↗
      Mentions that overshooting zinc can lead to a copper deficiency, highlighting the interplay between these elements.
    • 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 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.
    • 22 Oct 2026 · 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.
    • 15 Oct 2026 · recommends · Podcast ↗
      Mentions magnesium as part of a bare-minimum protocol.
    • 15 Oct 2026 · 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 · Selenium · recommends · YouTube ↗
      Recommends taking sufficient selenium to ensure free T3 levels are right, which is important for the reverse calcium transport system.
    • 15 Oct 2026 · Chromium · neutral · YouTube ↗
      Mentions chromium as a secondary ingredient in blood sugar control products, along with vanadium and bittermelon extract.
    • 10 Oct 2026 · Zinc · recommends · YouTube ↗
      Emphasizes that zinc sufficiency is crucial for immunity because the thymus-derived peptide thymulin, which trains lymphocytes, requires zinc to be active.
    • 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.
    • 19 Sep 2026 · Zinc · recommends · YouTube ↗
      Recommends adding zinc into one's stack because it is a co-factor for enzymes involved in testosterone synthesis and sperm maturation, and zinc deficiency is a reproducible cause of low sperm count.
  • Dr. Rhonda Patrick · Magnesium · neutral
    • 29 Oct 2026 · 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.
    • 16 Oct 2026 · warns · Facebook ↗
      Warns that some magnesium supplements make the dose look much larger than it really is and that labels can fool people.
    • 29 Sep 2026 · recommends · YouTube ↗
      Mentions magnesium as an important nutrient component for testosterone.
    • 29 Sep 2026 · Zinc · recommends · YouTube ↗
      Notes that not getting enough zinc can affect testosterone, as zinc is very important for testosterone synthesis.
    • 28 Sep 2026 · warns · YouTube ↗
      Warns that some supplement companies mislead consumers by listing the total compound weight of magnesium citrate as the elemental magnesium dose, when the actual elemental magnesium content is much lower, potentially around 44-66 milligrams.
    • 28 Sep 2026 · Zinc · recommends · YouTube ↗
      Recommends men take a 30 milligram zinc supplement for sperm health when preparing for IVF.
    • 2 Sep 2026 · neutral · Facebook ↗
      States there is not yet strong, consistent evidence that magnesium supplementation reliably improves sleep, noting that while some meta-analyses suggest it can improve sleep quality scores, sleep efficiency, and sleep duration, individual studies are inconsistent and several have found no meaningful effect.
    • 25 Aug 2026 · Vitamin C · neutral · Facebook ↗
      Lutein and zeaxanthin can also be obtained from certain multivitamins.
    • 21 Aug 2026 · Zinc · neutral · Instagram ↗
      Discusses findings from a meta-analysis on zinc supplementation, noting it improved insulin resistance, inflammation, and oxidative stress in people with diabetes or prediabetes, and explains its biological role in the pancreas.
    • 10 Aug 2026 · neutral · Facebook ↗
      States that magnesium may help modestly lower blood pressure by playing an important role in regulating vascular tone and influencing calcium signaling, with studies showing a reduction in systolic and diastolic blood pressure by 2 mmHg at a dose of around 370 mg/day for about 3 months.
    • 10 Aug 2026 · recommends · X ↗
      Recommends considering magnesium to improve mood.
    • 28 Jul 2026 · recommends · Facebook ↗
      Recommends Magnesium, stating that roughly half of Americans don’t get enough and it is a cofactor for over 300 biological processes, including DNA repair and energy production.
    • 29 Jun 2026 · neutral · Facebook ↗
      Mentions that kale delivers magnesium, a micronutrient many diets fall short on.
    • 29 Jun 2026 · Calcium · neutral · Facebook ↗
      Mentions that kale delivers calcium, a micronutrient many diets fall short on.
  • Thomas DeLauer · Magnesium · uses
    • 28 Oct 2026 · 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 · Vitamin C · recommends · YouTube ↗
      Recommends taking vitamin C along with collagen about an hour before a workout for connective tissue benefits.
    • 24 Oct 2026 · 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 · recommends · YouTube ↗
      Recommends magnesium around the time one would normally break a fast to calm the brain and dull feelings of conditioned hunger.
    • 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.
    • 23 Oct 2026 · Zinc · uses · YouTube ↗
      Adds zinc to their immunity duo because it helps them absorb vitamin C, considering the two together a fantastic combination for fall and winter.
    • 8 Oct 2026 · recommends · Facebook ↗
      Recommends magnesium, noting it is a cofactor for enzymes that build neurotransmitters, and deficiency can affect mood, happiness, and motivation.
    • 8 Oct 2026 · Zinc · recommends · Facebook ↗
      Recommends zinc, noting it is a cofactor for enzymes that build neurotransmitters, and deficiency can affect mood, happiness, and motivation.
    • 6 Oct 2026 · neutral · YouTube ↗
      Notes that modern agricultural practices have led to soils depleted of trace minerals like magnesium, resulting in widespread magnesium deficiency.
    • 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.
    • 4 Oct 2026 · Selenium · recommends · YouTube ↗
      Recommends adding selenium to the diet, found in Brazil nuts (two or three a day), eggs, shellfish, and mushrooms, as the glutathione recycling process is very selenium dependent and it helps protect against feroptosis.
    • 3 Oct 2026 · Zinc · neutral · YouTube ↗
      Mentions that more zinc could be beneficial for testosterone, but it's not working on the axis that most people need help with.
  • Siim Land · Magnesium · recommends
    • 25 Oct 2026 · recommends · Instagram ↗
      States that Magnesium can be a useful addition for some people for sleep.
    • 29 Oct 2026 · Vitamin C · recommends · Instagram ↗
      Recommends taking vitamin C with collagen to support joint collagen synthesis.
    • 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 · 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.
    • 7 Oct 2026 · recommends · Instagram ↗
      Recommends Magnesium for blood pressure, migraines and deficiency, based primarily on human research, especially randomized controlled trials showing measurable benefits.
    • 6 Oct 2026 · neutral · X ↗
      Lists Magnesium as one of 15 supplements backed by human studies.
    • 30 Sep 2026 · recommends · Instagram ↗
      States that magnesium is a fundamental mineral governing over 600 enzymes and metabolic reactions, and recommends that most people need at least 400-500 mg/d for health, with some needing up to 600 mg/d.
    • 30 Sep 2026 · neutral · X ↗
      Lists seafood and pumpkin seeds as sources of Magnesium.
    • 30 Sep 2026 · Vitamin C · neutral · X ↗
      Lists sauerkraut and fruit as sources of Vitamin C.
    • 30 Sep 2026 · Potassium · neutral · X ↗
      Lists potatoes and fruit as sources of Potassium.
    • 30 Sep 2026 · Calcium · neutral · X ↗
      Lists dairy and sardines as sources of Calcium.
    • 6 Sep 2026 · recommends · Instagram ↗
      Thinks magnesium has some of the strongest evidence and is worth considering.
    • 6 Sep 2026 · Vitamin C · neutral · X ↗
      Notes that Vitamin C is one of several supplements with human evidence.
  • Andrew Huberman · Magnesium · neutral
    • 22 Oct 2026 · neutral · Podcast ↗
      Discusses Magnesium Threonate as a tool for falling asleep.
    • 29 Oct 2026 · Zinc · uses · YouTube ↗
      Zinc carnosine to support and improve the lining of your gut.
    • 26 Oct 2026 · Zinc · uses · YouTube ↗
      Notes that AG1 Pro contains zinc carnosine to support and improve the lining of the gut.
    • 19 Oct 2026 · Zinc · recommends · YouTube ↗
      States that AG1 Pro contains zinc carnosine to support and improve the lining of the gut.
    • 12 Oct 2026 · Zinc · uses · YouTube ↗
      Uses AG1 Pro, which contains zinc carnosine to support and improve the lining of the gut.
    • 28 Sep 2026 · Zinc · 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 · Zinc · uses · YouTube ↗
      States that AG1 Pro includes zinc carnosine, which he was already taking separately, to support and improve the lining of the gut.
    • 14 Sep 2026 · Zinc · uses · YouTube ↗
      Personally takes zinc carnosine, which is included in AG1 Pro to support and improve the lining of the gut.
    • 31 Aug 2026 · Zinc · 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 · Zinc · recommends · YouTube ↗
      States that AG1 Pro contains zinc carnosine to support and improve the lining of your gut.
    • 17 Aug 2026 · Zinc · uses · YouTube ↗
      Uses AG1 Pro, which contains zinc carnosine to support and improve the lining of the gut.
    • 7 Aug 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 27 Jul 2026 · uses · YouTube ↗
      Uses Element, an electrolyte drink with sodium, magnesium, and potassium in correct ratios and no sugar, to ensure adequate hydration and electrolytes, especially when starting days fast or during physical exercise.
    • 27 Jul 2026 · Potassium · uses · YouTube ↗
      Uses Element, an electrolyte drink with sodium, magnesium, and potassium in correct ratios and no sugar, to ensure adequate hydration and electrolytes, especially when starting days fast or during physical exercise.
  • Bryan Johnson · Magnesium · uses
    • 22 Oct 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 15 Aug 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 4 May 2026 · 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 400 mg of Double Wood Magnesium L-Threonate before bed for sleep.
    • 21 Apr 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 15 Apr 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 14 Apr 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 14 Apr 2026 · Zinc · uses · X ↗
      Takes 15 mg of Zinc in the morning.
    • 8 Apr 2026 · uses · X ↗
      Takes 400 mg of magnesium L-threonate before bed for sleep.
    • 7 Apr 2026 · uses · X ↗
      He takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 5 Apr 2026 · uses · X ↗
      Takes 400 mg of magnesium threonate before bed for sleep.
    • 2 Apr 2026 · Zinc · uses · X ↗
      Takes 15 mg of Zinc in the morning for longevity.
    • 2 Apr 2026 · Copper · uses · X ↗
      Takes 2 mg of Copper in the morning for longevity.
  • Peter Attia · Magnesium · neutral
    • 1 Jun 2026 · neutral · Podcast ↗
      Peter reviews the evidence for select off-label medications and supplements commonly used for sleep, including glycine, magnesium, ashwagandha, and phosphatidylserine.
    • 6 Sep 2026 · Potassium · 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.
    • 4 Jan 2026 · 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 · 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.
    • 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 · recommends · Podcast ↗
      Peter discusses electrolytes and fiber and the ketogenic diet, specifically preventing magnesium loss.
    • 9 Jul 2025 · recommends · YouTube ↗
      Recommends magnesium as one of the 'big three' micronutrients for bone health, suggesting a daily intake of 300 to 500 milligrams as a minimum, and personally aims for about a gram of supplemental magnesium.
    • 9 Jul 2025 · Calcium · recommends · YouTube ↗
      Recommends calcium as one of the 'big three' micronutrients for bone health, suggesting a daily intake of 1,000 to 1,200 milligrams, which can be supplemented with calcium carbonate or calcium citrate.
    • 6 Jul 2025 · recommends · YouTube ↗
      Recommends magnesium for optimizing bone mineral density, suggesting a daily intake of 300 to 500 milligrams as a minimum, but personally aims for about a gram.
    • 6 Jul 2025 · Calcium · neutral · YouTube ↗
      Explains that bone is 50 to 70% mineral, predominantly calcium, and that virtually all of the body's calcium is contained within bone, making bone important for calcium homeostasis.
    • 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.
    • 22 Oct 2024 · Calcium · recommends · YouTube ↗
      Recommends calcium for bone health, stating that teenagers probably need about 1000 milligrams a day.
    • 21 Oct 2024 · Calcium · recommends · YouTube ↗
      Discusses bone acting as a reservoir for calcium and how resorption and formation release calcium into the blood when needed.

RAL Summary

Members OnlyTier 3 for Hydration Men

Tier 3 rests on a very large number of reviews, 94% of them positive, while study support for its ingredients at these doses is thin, with magnesium below the dose that worked [1].

  • Magnesium: below the dose that worked in studies

Where the evidence disagrees: 19 of the 38 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Kidneys and fluid balance, Muscular system

Combine with: For hydration and electrolyte support, pair with a magnesium glycinate or citrate supplement if dietary intake is low, vitamin D3 with K2 for mineral balance, and B-complex vitamins for energy metabolism. Taking it with a balanced meal or plenty of water may help replace fluid losses. For the heartburn goal specifically, a different product is more appropriate: a calcium carbonate or magnesium hydroxide antacid, or an alginate such as sodium alginate with bicarbonate, for fast relief, and possibly DGL licorice, zinc-carnosine or aloe vera for longer-term mucosal support. Consult a healthcare provider if heartburn is frequent or persistent.

Possible side effects: Calcium raised urine calcium and kidney stone risk in one trial, mostly offset by drinking more fluid; some buyers dislike the sweetness or aftertaste.

Supplement Facts

Total Carbohydrates 0 g · Vitamin C 100 mg · Calcium 65 mg
Supplement Facts
Serving Size 3.2 Gram(s)
Servings Per Container 4
Amount Per Serving% Daily Value
Calories0
Total Carbohydrates0 g
Vitamin C100 mg
Calcium65 mg
Phosphorus70 mg
Magnesium100 mg
Zinc1 mg
Selenium1.25 mcg
Copper0.2 mg
Manganese0.2 mg
Chromium5 mcg
Molybdenum3.5 mcg
Chloride79 mg
Sodium55 mg
Potassium250 mg

Other ingredients: Malic Acid, Citric Acid, Beet, natural Raspberry flavor, Rebaudioside A.

Directions: Directions Add 1 packet to 16 fl oz of water depending on taste preference. Shake to mix thoroughly. We recommend 1 or more servings per day depending on your activity level.

Barcode (UPC) 853218000016 · Label source: NIH label database · Report a label change

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Members OnlyThe highest ranked for the same goal

Graded November 5, 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.