Pruvit KETO//OS NAT Blueberry Acai Charged Review

This eBay listing offers a Pruvit product titled Pruvit BLUEBERRY ACAI Keto OS NAT Ketones Charged 40 Packets NEW Discontinued. The item is sold as new, unused, unopened and undamaged in its original packaging, as stated in the condition field. The item specifics identify the brand as Pruvit, the flavor as Blueberry Acai, and the formulation as powder. The type is listed as Weight Management, and the main purpose is also listed as Weight Management. The type of diet is listed as Keto. The listing states that the package contains 40 pills, and the supply field reads 20. The expiration date is listed as 11/2024. The listing states that a Nutrition Facts label is present. The custom bundle field is set to No. The ingredients field lists Magnesium, Vitamin B12, Vitamin B6, Vitamin C (Ascorbic Acid), Vitamin D, Keto, and Folate. The active ingredients field lists Calcium, Potassium, Sodium, Stevia Rebaudiana (Stevia), Vitamin B12, Vitamin B6, and keto. The country of origin is listed as the United States. The seller is listed as tasteofawesome12, with 100% positive feedback and a stated 2.7K items sold, located in Redlands, California, United States. The listing shows a price of US $180.00 and a sold date of Wed, Aug 26 at 9:43 AM. The eBay item number is 237023869721. The listing states that the seller assumes all responsibility for the listing. Shipping is noted as not available to Paraguay, with delivery listed as varying. The seller does not accept returns. Payment methods shown include Diners Club. The listing also carries eBay Money Back Guarantee language, stating that the buyer will receive the item ordered or a refund. The item description from the seller section on the page is empty, so no additional marketing copy or usage directions are provided in the scraped text. The page also shows an error message stating that the browser is having trouble connecting to the server, with a prompt to refresh. The page does not show any product ratings or written product reviews. The feedback sections shown belong to the seller and to unrelated items sold by the seller, and are therefore not reviews of this supplement.

Product Focus: EnergyAlso covers:BrainMusclesMetabolism
Tier ⓘ
Tier 3 · Rank 10
Tier 3 · Reviewed. Strong review agreement, with limited or early support from human studies. Rank 10 within Tier 3 for Energy; 28 of 59 overall. 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
93% of 98
Biohacker Mentions
9 of 10

Study, Trial or Testing Result Summary

Members Only62 human studies · 20 improved

5 of these 62 human studies gave the ingredient by injection, not by mouth.

62 human studies20 improved35 no effect118,294 people studied

Magnesium is the only ingredient here at a full studied dose with some support for energy. In 30 adults with metabolic conditions, 80 milligrams daily for 4 weeks reduced fatigue [1]. In 64 women with polycystic ovary syndrome, 10 weeks of magnesium improved energy and fatigue scores [2]. Magnesium with B vitamins reduced fatigue in 98 adults with inflammatory bowel disease [3]. Weekly magnesium injections helped 12 of 15 people with chronic fatigue syndrome [4]. Other trials in fibromyalgia found no fatigue benefit [5][6]. Vitamin B6 is below the 50 milligram dose that eased tiredness in one small trial [7], and larger trials of blends with vitamin B6 found no benefit [8][9]. Vitamin B12 did not improve energy in people who were not deficient [10][11]. Calcium is well below the dose that reduced tiredness in women with premenstrual syndrome [12], and trials in runners found no benefit [13]. The largest ingredient, the 12.6 gram N8 Max Nat Blend, has no human studies given here. Animal and cell studies are never counted.

See all 62 studies →Hide the studies

Review Totals and Summary

Members Only98 reviews · 93% positive
98 reviews · Google Shopping 98
93% positive0% neutral7% negative

Buyers who wrote in are very positive. They mostly describe clearer thinking, steadier energy and better focus, though the reviews say little about the downsides. **What buyers say it did for them:** The main theme is mental clarity and focus. One buyer says "I could think clearly again," and another says "My focus is sharp again." Several describe being rid of brain fog, with one writing "Light bulbs are flipped back on." Energy is the second theme. One buyer says it gives "sustained energy the entire day," and another simply says "More sustained energy." One reviewer also credits it with improved mood and sleep, saying "I gained myself back," and describes having been moody, exhausted and unable to sleep before. **What they complain about:** The reviews contain no complaints. Nobody mentions side effects, a failure to work, or any problem with the product. That doesn't prove there are none, only that these reviews don't raise any. **Taste, smell, pill size or form:** The reviews don't discuss flavor, smell, mixing or texture, so they give no guide on whether you'll like the Blueberry Acai taste. Nothing here comes from other forms of the product, and any reviews about gummies or capsules were left out of this summary. **Value for money:** Price and value are not mentioned in any review, so there is nothing here to judge whether it is worth the cost. **Who it seems to suit and who it did not:** The reviewers are busy people who need to stay mentally sharp. One is a corporate employee who also runs a business, one is a mom, and one says "My brain is my income." One reviewer mentions being 52 and feeling that her brain didn't "click" the way it should. Those who felt run down, foggy or unfocused report the most benefit. No reviewer says the product didn't suit them, so the reviews give no information on who should avoid it. **Bottom line:** If you want help with focus, mental clarity and all-day energy, these reviews are encouraging. They are short, personal accounts, and they say nothing about taste, price or drawbacks. Look elsewhere for that information before buying.

Biohacker Summary

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

Magnesium is the main ingredient here, and nearly the whole panel speaks well of it: all ten mention it, with four saying they use it and most of the rest recommending it, though a few stay neutral and point out that sleep evidence is mixed. Sleep is the top reason, with bedtime doses of 400 mg of magnesium threonate described by three of them and glycinate favored by two, while others cite blood pressure, muscle function, mood, brain health, bone health and electrolytes during fasting or exercise. Doses named include 300 mg before bed, 400 to 500 mg a day as a general need, and one person aiming for about a gram, and several pair it with sodium and potassium in electrolyte drinks or with vitamins D3 and K2. One panelist warns that labels can mislead by listing the whole compound weight instead of the actual magnesium, and nobody said they stopped taking it. Calcium and vitamin B12 are smaller ingredients in this product, and each got only brief mentions from the panel.

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.
    • 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.
    • 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.
    • 30 Sep 2026 · 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 · recommends · Instagram ↗
      Recommends correcting nutrient deficiencies with magnesium.
    • 16 Sep 2026 · 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 · 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 · 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.
    • 31 Aug 2026 · Vitamin B6 · uses · YouTube ↗
      Optimized a child's nutrient status with vitamin B6, as the child had low B6 levels.
    • 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.
    • 22 Jul 2026 · Vitamin B12 · recommends · YouTube ↗
      States that vitamin B12 is a nutritional deficiency that impacts mental health.
    • 29 Jun 2026 · Vitamin B6 · recommends · Facebook ↗
      Recommends vitamin B6 with folate and B12 as supplements with strong evidence for PMS.
  • 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.
    • 1 Jul 2026 · Vitamin B12 · recommends · YouTube ↗
      States that Vitamin B12 is extremely important for every kind of brain function and recommends ensuring B12 levels are optimal, around 500, not just barely above normal.
    • 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.
  • 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.
    • 28 Oct 2026 · neutral · YouTube ↗
      Notes that magnesium could also be a factor in preventing muscle cramps.
    • 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 · 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.
    • 23 Oct 2026 · recommends · Instagram ↗
      Recommends taking magnesium 90 minutes to 2 hours before bedtime to support better sleep.
    • 23 Oct 2026 · recommends · YouTube ↗
      Suggests that magnesium glycinate can help support the missing 'break pads' on the nervous system, which contribute to constant pain.
    • 22 Oct 2026 · recommends · Podcast ↗
      Taking 400 mg of magnesium glycinate daily may also help support brain health during menopause.
    • 21 Oct 2026 · warns · YouTube ↗
      Warns against magnesium oxide because it is poorly absorbed, with only about 4% absorption, and can cause diarrhea, despite being commonly used in research and supplements due to its low cost.
    • 10 Oct 2026 · Calcium · warns · Podcast ↗
      Dr. Berg includes calcium carbonate among the synthetic supplements to avoid.
    • 10 Oct 2026 · Vitamin B6 · warns · Podcast ↗
      Dr. Berg lists pyridoxine hydrochloride as a synthetic vitamin to avoid.
    • 4 Oct 2026 · Vitamin B6 · recommends · Facebook ↗
      Recommends taking the active form of vitamin B6, pyridoxal-5-phosphate (P5P), for its benefits to the nervous system, including building the myelin sheath and protecting sensory nerve integrity.
  • 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.
    • 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.
    • 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.
    • 9 Jul 2026 · Vitamin B12 · recommends · YouTube ↗
      Recommends getting vitamin B12 tested and supplementing if deficient, as B12 deficiency can cause damage to the myelin coating around nerves, including cochlear nerves, and improve tinnitus severity scores.
    • 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.
    • 12 Apr 2026 · Calcium · recommends · Facebook ↗
      Recommends adequate intake of calcium for bone strength.
  • 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.
    • 9 Jan 2026 · Calcium · neutral · Facebook ↗
      Notes additional gaps in calcium.
    • 8 Oct 2025 · Vitamin B12 · warns · Facebook ↗
      Warns that Vitamin B12 enhances light's melatonin-suppressing effects and should be avoided too close to bedtime.
    • 3 Jul 2024 · Calcium · warns · YouTube ↗
      Reports that alcohol use disorder is associated with a 20-50% greater prevalence of Calcium deficiency.
  • 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.
    • 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.
    • 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.
    • 18 Oct 2026 · Vitamin B12 · recommends · YouTube ↗
      Recommends Vitamin B12 for mental health and mood, explaining its role in myelination and neurotransmitter production. They specifically recommend a liposomal and micellar form of methylcobalamin B12 for better absorption and to avoid toxicity.
    • 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.
    • 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.
    • 1 Oct 2026 · recommends · YouTube ↗
      Recommends taking some magnesium glycinate tonight to help calm down and sleep.
    • 25 Sep 2026 · neutral · Facebook ↗
      Mentions that magnesium in pumpkin seeds relaxes bronchial smooth muscle.
    • 18 Sep 2026 · 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 · recommends · Instagram ↗
      Recommends Magnesium glycinate, stating that 200-400mg elemental helps with sleep as glycine cools the body and magnesium calms.
    • 29 Aug 2026 · neutral · Instagram ↗
      Notes that magnesium sits on the NMDA receptor and regulates excitatory transmission, in the context of feeling stressed.
    • 12 Aug 2026 · Calcium · recommends · YouTube ↗
      Recommends getting calcium, along with vitamin D, zinc, and magnesium, from foods like sardines, as they are important for inflammatory pathways in the gut.
    • 30 Jun 2026 · Vitamin B12 · neutral · YouTube ↗
      Mentions that a single serving of sardines provides vitamin B12 at something like three to four times the daily needs.
  • 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 · 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.
    • 24 Apr 2026 · Vitamin B12 · uses · YouTube ↗
      Created Microvitamin, a supplement that bundled all the supplements he was taking, to help fund his a med trial.
    • 24 Mar 2026 · Vitamin B12 · recommends · YouTube ↗
      States that vitamin B12 deficiency is the most common reason for premature graying of hair and recommends fixing B12 status if it is deficient, as it gives a greater likelihood of reversing gray hair.
  • 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.
    • 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.
    • 15 Dec 2025 · Vitamin B12 · neutral · YouTube ↗
      States that a deficiency in vitamin B12 can be terrible and lead to chronic fatigue-like syndromes, as many parts of mitochondria require B vitamins.
    • 7 Oct 2024 · Vitamin B12 · recommends · YouTube ↗
      Recommends taking methyl B12 as part of methylated B vitamins to lower homocysteine levels and reduce cardiovascular risk.
    • 29 Jul 2024 · Vitamin B12 · uses · YouTube ↗
      Has been taking AG1 for over 10 years, once and often twice every day, to ensure he gets all necessary vitamins, minerals, probiotics, and adaptogens, considering it a nutritional insurance policy.
    • 29 Jul 2024 · Vitamin B6 · warns · YouTube ↗
      Does not supplement B6 due to evidence that overs-supplementing vitamin B, especially B6, is problematic because of peripheral nerve damage.
  • 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 · Vitamin B12 · uses · YouTube ↗
      States that Blueprint essential capsules and soft gels are packed with key vitamins and minerals needed for strong bone health.
    • 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.
    • Date not recorded · Calcium · recommends · Website ↗
      Recommends prioritizing calcium intake for postmenopausal women to help maintain bone density and reduce the risk of osteoporosis.
  • 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.
    • 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.
    • 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.
    • 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.
    • 9 Sep 2024 · Vitamin B12 · neutral · YouTube ↗
      Notes that deficiencies in certain vitamins and minerals, such as B12, can be a cause of hair loss in women.
    • 7 Jul 2024 · 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 · 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 · uses · YouTube ↗
      Takes magnesium as a straightforward supplement.
    • 28 Feb 2024 · neutral · YouTube ↗
      Mentions that magnesium intake is often super low and impactful on testosterone levels.

RAL Summary

Members OnlyTier 3 for Energy

Tier 3 fits: 93% of 98 reviews are positive and magnesium, at a full dose, has some human trials showing less fatigue [1][2]. It falls short of tier 2 because there are fewer than 100 reviews and the main blend is unstudied.

Where the evidence disagrees: 35 of the 62 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Nervous system, Muscular system, Metabolic system

Combine with: For its actual purpose of energy, ketosis support, and focus, this product pairs well with electrolytes (sodium, potassium, magnesium) to ease keto-flu symptoms, MCT oil or C8 MCT powder for additional ketone production, and L-theanine to smooth out the caffeine and reduce jitters. B-complex vitamins, CoQ10, and omega-3s can support energy metabolism. If you need heartburn relief, use a separate product designed for it, such as calcium carbonate or magnesium hydroxide antacids, an alginate (sodium alginate) raft-forming formula, or DGL licorice, and take it apart from this caffeinated drink. Avoid taking it on an empty stomach if you are prone to reflux.

Possible side effects: No major side effects reported.

Supplement Facts

Total Carbohydrates 5 g · Vitamin B6 5 mg · Vitamin B12 100 mcg
Supplement Facts
Serving Size 18.6 Gram(s)
Servings Per Container 1
Amount Per Serving% Daily Value
Calories50
Total Carbohydrates5 g
Vitamin B65 mg
Vitamin B12100 mcg
Calcium230 mg
Magnesium235 mg
Sodium910 mg
N8 Max Nat Blend12.6 g†
† Daily Value not established.

Other ingredients: Erythritol, Natural Flavors, Citric Acid, Malic Acid, Rebaudioside A, Caffeine, Xanthan Gum, Fruit juice.

Directions: Directions: Dissolve 1 packet in 12-16 oz of cold water & shake/stir vigorously and with purpose. Can be taken with or without food. Novel use = 1 daily serving Optimal performance = 2 daily servings AM/PM Must be consumed with SIGNAL//OS for DNA repair and other therapeutic benefits associated with C-Med 100.

Label source: NIH label database · Report a label change

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