Thorne Daily Electrolytes - Watermelon Review

Thorne Daily Electrolytes Watermelon is presented as a way to replenish electrolytes to optimize cellular rehydration and recovery. The page says the product is designed to restore fluid balance, enhance cellular energy, and maximize athletic performance, and that the body loses water and essential minerals such as sodium, potassium, magnesium, calcium, and chloride through sweat. Daily Electrolytes are packaged in stick packs for use at the gym, outdoors, or while travelling. The listed benefits include replenishing electrolytes lost through sweat, restoring fluid balance and cellular hydration, enhancing recovery after exercise, supporting endurance, and benefiting cellular energy production. Magnesium and calcium are described as essential for muscle function, and sodium, chloride, and potassium as regulating fluid balance. Features include a no-sugar formula with flavors and colors derived from all-natural sources, single-serve packaging, and six flavour options plus two variety packs. The product is aimed at athletes, non-athletes, active individuals, people in hot and humid environments, and frequent flyers. Every batch of an NSF Certified for Sport product is tested for compliance with label claims and for the absence of nearly 300 substances banned by many major athletic organizations. The page advises mixing one stick pack with at least 12 ounces of water daily, or as recommended by a health-care practitioner. Warnings state the product is contraindicated for anyone with a history of hypersensitivity to its ingredients, and that pregnant people should consult a health-care practitioner before use. No known adverse interactions are listed at publication date.

Product Focus: Hydration MenAlso covers:KidneysHeartMusclesRanked among:Electrolytes
Tier ⓘ
Tier 3
Tier 3 · Reviewed. Strong review agreement, with limited or early support from human studies. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
71 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
82% of 908
Biohacker Mentions
10 of 10
Cost per month
$40

Study, Trial or Testing Result Summary

Members Only26 human studies · 9 improved

7 of these 26 human studies gave the ingredient by drip, not by mouth.

26 human studies9 improved14 no effect39,568 people studied

The main ingredient here is chloride with sodium from pink salt, at 750 milligrams of chloride per packet. Small trials support salt drinks for hydration. In 10 men resting at high altitude, a salt and citrate drink restored blood plasma volume more than plain water [1]. In 12 female cyclists exercising in the heat, a salt drink taken beforehand increased fluid retention and reduced body weight loss [2]. In 10 young men, urine output did not differ between skimmed milk and a soya drink [3]. Most other salt studies tested salt water given into a vein to protect hospital patients' kidneys from contrast dye. They are not about everyday hydration, and their results were mixed [4][5]. Magnesium is present at only 40 milligrams, a trace amount far below the 800 milligrams that, taken with creatine, shifted more water into cells [6]. A 200 milligram dose eased bloating in women [7]. Calcium at 70 milligrams has not been tested for hydration. One trial in women suggests fluid intake offsets the kidney stone risk from calcium [8]. Potassium at 99 milligrams has no direct hydration evidence in men [9][10]. Animal and cell studies are never counted.

See all 26 studies →Hide the studies

Review Totals and Summary

Members Only908 reviews · 82% positive
908 reviews · Thorne 465 · Amazon 342 · Walmart 68 · Vitacost 33
82% positive7% neutral11% negative

Buyers rate Thorne Daily Electrolytes in Watermelon highly overall, with roughly 908 ratings across the stores. Most reviewers like the taste and the easy mixing, while a minority find the flavor or sweetness off-putting. I've left out reviews of other forms of the product and covered the powder only. **What buyers say it did for them:** Several describe feeling hydrated and using it after exercise or sauna. One says it "completely stopped my legs from cramping when I sleep," after trying many other things. Another says "The effect is good. I feel hydrated." Not everyone noticed a benefit: "Can't tell the benefits you are supposed to be obtaining," wrote one outdoor worker, who found the results no different from sports drinks. The Thorne.com page summary also notes customers appreciating effective hydration and the NSF Certified for Sport mark. **What buyers complain about:** The main complaints concern sweetness and the stevia ingredient. One reviewer found it had "way too much Rebaudioside M" and was too sweet even when diluted with double the water. Another could not tolerate stevia, said it makes their heart race, and felt the label did not list it clearly, though they did get a refund. One two-star reviewer simply called this flavor "horrible" while recommending the other flavors. Others were lukewarm: "Watermelon tastes alright but certainly not my favorite." The Thorne.com and Walmart pages also show a share of 1 and 2 star ratings (63 on Thorne.com) that the visible text does not explain. **Taste, mixing and form:** Many praise the flavor, calling it "delicious" and "refreshing and not overly sweet." One reviewer, who describes it as "fruity/candy," liked it, and another says it has no chalky aftertaste. Reviewers say it dissolves quickly without clumping, and "mix up really well too in water." It comes in individual sticks or packets that people keep in a purse or take on trips. One reviewer found the taste "a bit too much" but still called watermelon the best-tasting flavor for them. Another said the Vitacost reviews noted that the right balance of sodium and other ingredients depends on the person. **Value for money:** Only one reviewer addresses price directly, calling the price point "extremely fair" compared with a rival sold in a glass jar that tasted chalky and cost more. Otherwise no store summary raises value as a theme. **Who it seems to suit and who it did not:** It suits people who want a portable, quick-mixing electrolyte for workouts, hot weather, sauna or travel, and those who like fruity flavors that are not too salty. One reviewer likes that it has less sodium than others, and another prefers its mineral balance to LMNT. Several reviewers also express trust in the Thorne brand. It suits people who dislike stevia or sweetness less well: those who are sensitive to stevia or don't normally use it found it unpleasant, and anyone who wants a noticeable benefit beyond ordinary sports drinks may be disappointed. Some reviewers preferred other flavors, such as Mango Limeade and Blood Orange, over watermelon.

Biohacker Summary

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

Chloride is the main ingredient here, and only three of the ten panelists spoke about it; all three were neutral and none said to take it or avoid it. They explain that chloride works with sodium and potassium to balance fluids, helps make stomach acid, and that most people already get enough. Nobody gave a dose or a preferred form for chloride, and no one reported stopping it or raised a caution. Magnesium is a smaller ingredient in this product, and most of the panel takes it for sleep, often 400 milligrams of the threonate form before bed, though two panelists warned that labels can overstate the dose and that sleep evidence is mixed.

See all 10 biohackers →Hide the biohackers
  • Dr. Mark Hyman · Chloride · neutral
    • 20 Aug 2026 · neutral · YouTube ↗
      Explains that chloride works with sodium to maintain fluid balance and supports digestion.
    • 1 Nov 2026 · Magnesium · 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 · Magnesium · 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 · Magnesium · 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 · Magnesium · recommends · YouTube ↗
      Recommends magnesium as a basic supplement during detoxification to support pathways, help with constipation, and provide electrolytes.
    • 7 Oct 2026 · Magnesium · 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.
    • 30 Sep 2026 · Magnesium · uses · YouTube ↗
      Has recommended magnesium breakthrough from bioptimizers for years and now uses Magnesium Breakthrough Advanced 10 as part of his evening routine, especially during periods of travel, training, and higher stress, to support sleep, muscle recovery, and metabolic health.
    • 22 Sep 2026 · Magnesium · recommends · Instagram ↗
      Recommends correcting nutrient deficiencies with magnesium.
    • 16 Sep 2026 · Magnesium · recommends · YouTube ↗
      Recommends Magnesium Breakthrough Advance 10 from BiOptimizers, which has 10 bioavailable forms of magnesium and more elemental magnesium, as part of his evening routine for sleep, muscle recovery, and metabolic health.
    • 9 Sep 2026 · Magnesium · uses · YouTube ↗
      Has recommended Magnesium Breakthrough from Bio Optimizers for years and now uses Magnesium Breakthrough Advanced 10 as part of his evening routine, especially during periods of travel, training, and higher stress, to support sleep, muscle recovery, and metabolic health.
    • 2 Sep 2026 · Magnesium · recommends · YouTube ↗
      Recommends Magnesium Breakthrough Advance 10 from Bio Optimizers, which contains 10 bioavailable forms of magnesium, as it plays a critical role in sleep recovery, stress regulation, and muscle function, and has become part of his evening routine, especially during periods of travel, training, and higher stress.
    • 20 Aug 2026 · Potassium · neutral · YouTube ↗
      States that potassium plays a critical role in nerve signaling and muscle contraction, especially in the heart, and low levels can lead to dangerous irregular heart rhythms.
    • 20 Aug 2026 · Calcium · recommends · YouTube ↗
      Notes that calcium is in bones but is also essential for nerves, muscles, and the heart, and low levels can affect muscle function and heart rhythm.
  • Dr. Eric Berg · Chloride · neutral
    • 10 May 2026 · neutral · YouTube ↗
      Mentions that chlorides are building blocks needed to produce hydrochloric acid.
    • 30 Oct 2026 · Magnesium · 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.
    • 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 · Magnesium · 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.
    • 25 Oct 2026 · Magnesium · 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 · Magnesium · 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 · 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 · Magnesium · recommends · Instagram ↗
      Dr. Eric Berg suggests that magnesium could help support deeper, more restful sleep.
    • 24 Oct 2026 · Magnesium · recommends · YouTube ↗
      Recommends Magnesium Glycinate, noting that the combination of magnesium and glycine is helpful for connective tissue, sleep, and reducing stress.
    • 23 Oct 2026 · Magnesium · recommends · Instagram ↗
      Recommends taking magnesium 90 minutes to 2 hours before bedtime to support better sleep.
    • 23 Oct 2026 · Magnesium · recommends · YouTube ↗
      Suggests that magnesium glycinate can help support the missing 'break pads' on the nervous system, which contribute to constant pain.
  • Thomas DeLauer · Chloride · neutral
    • 6 Feb 2025 · neutral · YouTube ↗
      Explains that chloride is an essential nutrient and its ratio to potassium and sodium is important for balancing things out, though most people get enough chloride.
    • 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.
    • 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 · Magnesium · recommends · YouTube ↗
      Recommends magnesium around the time one would normally break a fast to calm the brain and dull feelings of conditioned hunger.
    • 8 Oct 2026 · Magnesium · recommends · Facebook ↗
      Recommends magnesium, noting it is a cofactor for enzymes that build neurotransmitters, and deficiency can affect mood, happiness, and motivation.
    • 6 Oct 2026 · Magnesium · neutral · YouTube ↗
      Notes that modern agricultural practices have led to soils depleted of trace minerals like magnesium, resulting in widespread magnesium deficiency.
    • 1 Oct 2026 · Magnesium · recommends · YouTube ↗
      Recommends taking some magnesium glycinate tonight to help calm down and sleep.
    • 25 Sep 2026 · Magnesium · neutral · Facebook ↗
      Mentions that magnesium in pumpkin seeds relaxes bronchial smooth muscle.
    • 18 Sep 2026 · Magnesium · neutral · Facebook ↗
      Compares magnesium content, stating bananas have 32mg and pumpkin seeds have 156mg per ounce, a 5x difference.
    • 18 Sep 2026 · Calcium · neutral · Facebook ↗
      Notes that milk contains 120mg of calcium, while sardines contain 351mg, highlighting a 3x difference.
    • 1 Sep 2026 · Magnesium · recommends · Instagram ↗
      Recommends Magnesium glycinate, stating that 200-400mg elemental helps with sleep as glycine cools the body and magnesium calms.
    • 29 Aug 2026 · Magnesium · neutral · Instagram ↗
      Notes that magnesium sits on the NMDA receptor and regulates excitatory transmission, in the context of feeling stressed.
  • 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.
    • 17 Oct 2026 · neutral · Facebook ↗
      States that magnesium can affect how the body responds to a supplement.
    • 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.
    • 29 Aug 2026 · recommends · YouTube ↗
      Dave Asprey recommends Magnesium Glycinate for sleep, noting human studies show it helps people fall asleep faster, is safe, and works on a fundamental aspect of health, unlike magnesium oxide which acts as a laxative.
    • 15 Aug 2026 · recommends · YouTube ↗
      Dave Asprey recommends adding 300 or 400 mg of magnesium glycinate before bed to improve deep sleep quality, support growth hormone release, and burn visceral fat while asleep.
    • 28 Jul 2026 · recommends · YouTube ↗
      Mentions magnesium glycinate as one of the extensively researched ingredients in Kill Switch that helps with natural sleep.
    • 16 Jun 2026 · Calcium · neutral · Facebook ↗
      Notes that when energy intake is too low for training demand, nutrient intake often falls short, especially for calcium, which is associated with reduced bone health.
    • 12 Jun 2026 · Calcium · neutral · Instagram ↗
      Explains that calcium provides the raw material for bones, but it isn't a standalone input and needs a whole system to be effective.
    • 12 Jun 2026 · Calcium · neutral · X ↗
      Notes that people take calcium for their bones.
    • 14 May 2026 · Calcium · warns · YouTube ↗
      Warns that taking calcium without vitamin D, A, and K2 can lead to calcium going into tissues, causing bone spurs and other issues, and recommends a two-to-one ratio of calcium to magnesium.
  • Ben Greenfield · Magnesium · uses
    • 29 Oct 2026 · uses · YouTube ↗
      Uses magnesium during surgery because it is neuroprotective.
    • 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.
    • 3 Sep 2026 · recommends · YouTube ↗
      Recommends supplementing with magnesium threonate if one is low in magnesium, as it crosses the blood-brain barrier and is demonstrated to increase hippocampus plasticity, theoretically making one smarter and improving memories.
    • 25 Aug 2026 · uses · Facebook ↗
      Uses Magnesium Breakthrough from BIOptimizers as part of their daily stack, taking four capsules in the evening to support relaxation, recovery, and a good night of sleep.
    • 17 Aug 2026 · recommends · Facebook ↗
      Recommends Celtic Sea Salt's new electrolyte drink "Hydrate" for replacing electrolytes and trace minerals lost through sweat, noting it contains 70 naturally occurring trace minerals, plus magnesium, taurine, and potassium.
    • 17 Aug 2026 · Potassium · recommends · Instagram ↗
      Recommends Celtic Sea Salt's new electrolyte drink 'Hydrate' for replenishing electrolytes and trace minerals lost through sweat, noting it contains 70 naturally occurring trace minerals, magnesium, taurine, and potassium, with no added sugar, artificial colors, or synthetic ingredients.
    • 15 Aug 2026 · warns · YouTube ↗
      Had heart palpitations when he was really overdoing magnesium, not knowing what he was taking.
    • 8 Aug 2026 · recommends · YouTube ↗
      Recommends taking magnesium as a co-factor to increase vitamin D absorption.
    • 13 Jun 2026 · neutral · X ↗
      Notes a new study indicating that magnesium is a core dietary antioxidant closely associated with a reduced risk of accelerated biological aging.
    • 9 May 2026 · Calcium · neutral · YouTube ↗
      Is considering whether he needs a calcium supplement because lead can displace calcium in bones, affecting bone strength.
    • 6 May 2026 · Calcium · neutral · X ↗
      Mentions calcium as a common deficiency.
  • 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.
    • 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.
    • 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.
    • 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.
    • 26 Jun 2026 · recommends · Facebook ↗
      Recommends Magnesium, stating it is a cofactor for over 300 biological processes, including DNA repair, energy production, and sleep regulation.
    • 23 Jun 2026 · Potassium · recommends · Facebook ↗
      Recommends getting enough potassium, noting that most people get too much sodium and not enough potassium.
    • 9 Jan 2026 · Calcium · neutral · Facebook ↗
      Notes additional gaps in calcium.
    • 3 Jul 2024 · Calcium · warns · YouTube ↗
      Reports that alcohol use disorder is associated with a 20-50% greater prevalence of Calcium deficiency.
  • Siim Land · Magnesium · recommends
    • 25 Oct 2026 · recommends · Instagram ↗
      States that Magnesium can be a useful addition for some people for sleep.
    • 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 · 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.
    • 17 Aug 2026 · recommends · YouTube ↗
      Recommends taking magnesium, specifically glycinate and threonate forms, 1 to 2 hours before bed for sleep benefits, noting that glycinate promotes relaxation and threonate crosses the blood-brain barrier for sleep quality and cognitive function.
    • 14 Aug 2026 · neutral · X ↗
      Notes that Boron reduces calcium/magnesium loss.
    • 14 Aug 2026 · Calcium · neutral · X ↗
      Notes that Boron reduces calcium/magnesium loss.
    • 10 Aug 2026 · recommends · YouTube ↗
      Notes that magnesium is important for activating thiamine into its more biologically active form, and a magnesium deficiency can impair blood sugar regulation even with adequate thiamine intake.
    • 31 Jul 2026 · Potassium · neutral · X ↗
      Notes that bananas have potassium but there are at least 8 other foods with more potassium than bananas.
  • Andrew Huberman · Magnesium · neutral
    • 22 Oct 2026 · neutral · Podcast ↗
      Discusses Magnesium Threonate as a tool for falling asleep.
    • 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.
    • 20 Jul 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 20 Jul 2026 · recommends · YouTube ↗
      Confirms that magnesium is absolutely important for cognitive function, noting studies show those with lower magnesium intakes tend to perform less well on cognitive function tests, and it's related to brain changes over time and dementia risk.
    • 13 Jul 2026 · uses · X ↗
      Takes 400 mg of Double Wood Magnesium L-Threonate before bed for sleep.
    • 12 Jul 2026 · uses · X ↗
      He takes 400 mg of Magnesium L-Threonate from Double Wood before bed for sleep.
    • 6 Jul 2026 · uses · X ↗
      Takes 400 mg of Double Wood Magnesium L-Threonate before bed for sleep.
    • 22 Jun 2026 · uses · X ↗
      Takes 400 mg of magnesium L-threonate before bed for sleep.
    • 18 Jun 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 18 May 2026 · Potassium · uses · YouTube ↗
      Uses Element, which contains potassium in the correct ratios, to ensure proper hydration and electrolyte intake for brain and body function.
    • 26 Mar 2026 · Potassium · neutral · Podcast ↗
      Mentions potassium as an electrolyte.
    • 12 Jan 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, drinking it first thing in the morning and 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.
    • 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.
    • 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.
    • 5 Jun 2025 · Calcium · recommends · YouTube ↗
      Recommends calcium as a mineral that, along with phosphorus, magnesium, and boron, is deposited to fortify the bone structure after the collagen scaffold is in place.
    • 12 May 2025 · Calcium · recommends · YouTube ↗
      Agrees that a little extra calcium is probably okay, especially for women, to really hit home for bone mineral density.
  • 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.
    • 15 Sep 2025 · Magnesium · recommends · Podcast ↗
      Peter discusses electrolytes and fiber and the ketogenic diet, specifically preventing magnesium loss.
    • 9 Jul 2025 · Magnesium · 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 · Magnesium · 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.
    • 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.
    • 7 Jul 2024 · Magnesium · recommends · YouTube ↗
      Takes a hardline view that most people do not have adequate or optimal levels of magnesium, and suboptimal levels will impede the metabolism of vitamin D because magnesium is a cofactor in its enzymatic conversion.
    • 1 Jul 2024 · Magnesium · uses · YouTube ↗
      Takes a hardline view that most people do not have adequate or optimal levels of magnesium, and suboptimal levels will impede vitamin D metabolism because magnesium is a co-factor in the enzymatic conversion of vitamin D.
    • 20 May 2024 · Magnesium · uses · YouTube ↗
      Takes magnesium as a straightforward supplement.
    • 28 Feb 2024 · Magnesium · neutral · YouTube ↗
      Mentions that magnesium intake is often super low and impactful on testosterone levels.

RAL Summary

Members OnlyTier 3 for Hydration Men

Tier 3 rests on 908 reviews that are 82% positive. Study support is thin but present: small trials show salt drinks improve plasma volume and fluid retention [1][2].

  • Magnesium: trace amount

Where the evidence disagrees: 14 of the 26 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Kidneys and urinary system, Cardiovascular system, Muscular system

Combine with: For hydration and electrolyte support, pair this with adequate plain water intake and a whole-food diet rich in potassium (leafy greens, bananas, avocados). For active people, taurine or L-citrulline can support endurance and circulation, and vitamin D3 with K2 supports mineral balance. If the actual goal is blood pressure support, discuss with a clinician and consider dedicated options such as magnesium glycinate or taurate, CoQ10, omega-3 fish oil (EPA/DHA), aged garlic extract, or beetroot/nitrate support, while being careful with added sodium and with potassium supplements if you take meds, ARBs, potassium-sparing meds, or have kidney disease.

Possible side effects: Calcium raised urine calcium and kidney stone risk in one trial, though higher fluid intake largely offset this. Some reviewers found it too sweet, and one said the stevia made their heart race.

Supplement Facts

Calcium 70 mg · Magnesium 40 mg · Chloride 750 mg
Supplement Facts
Serving Size One Stick Pack (4.37 g)
Servings Per Container 30
Amount Per Serving% Daily Value
Calories5
Total Carbohydrate1 g
Calcium70 mg
Magnesium40 mg
Chloride750 mg
Sodium480 mg
Potassium99 mg

Other ingredients: Citric Acid, Flavors, Rebaudioside M (from stevia), Silicon Dioxide, Malic Acid, Calcium Silicate, Beet Juice (color).

Directions: Mix 1 stick pack with at least 12 ounces of water daily or as recommended by your health-care practitioner.

Label source: Reverseagelab · Report a label change

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Graded November 6, 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.