Dr. Berg Natural Vitamin B1+ Allithiamine with B Complex Blend Review

Dr. Berg Natural Vitamin B1 is listed on Amazon as a 60-capsule bottle of allithiamine with a B complex blend. The listing describes the product as highly bioavailable allithiamine, a lipid-soluble form of vitamin B1 derived from vegetables in the onion family, which the listing says enhances bioavailability for superior absorption. The page states that unlike traditional thiamine, allithiamine in the Dr. Berg B Complex formula facilitates rapid absorption, delivering the benefits of this nutrient in a convenient capsule form. The formula is presented as a broad vitamin B complex. The listing names Thiamine, Riboflavin, Niacin, Pantothenic acid, Pyridoxine, Biotin, Folate and Cobalamin, and says the formula also includes magnesium for maximum benefits. The ingredients list on the page also includes vitamin B12, magnesium citrate, microcrystalline cellulose, and a B vitamin complex blend listing broccoli, carrot, spinach, sunflower seed, chlorella and allithiamine, with vegetable capsules and magnesium stearate. Usage is described as one bottle containing 60 capsules, which the listing says provides a two-month supply for daily anytime use. The product is labeled as Adult age range, a Capsule item form, B-Complex and Vitamin B1 primary supplement type, Keto diet type, and unflavored. The container type is listed as a bottle with a unit count of 60 and an item weight of 2.24 ounces. The seller, Dr. Berg Products, sells the item with Amazon fulfillment. The page notes a 30-day money-back guarantee, with refunds processed if requested within 30 days of purchase by sending a message to the seller. The listing also says the item is non-returnable due to food safety reasons, though damaged or defective items may be refunded or replaced through Your Orders with an image of the defect. The page shows a 4.7 out of 5 star rating from 3,990 ratings, and lists the product as a best seller in Vitamin B-Complex Supplements. The page does not show a star breakdown or written customer reviews in the scraped text. Related products from the same brand, including a Vitamin B12 capsule, a benfotiamine capsule, and a vitamin D3 K2 capsule, appear in the recommendations, but they are separate listings.

Product Focus: EnergyAlso covers:BrainMusclesMetabolismRanked among:Vitamin B complex
Tier ⓘ
Tier 3 · Rank 15
Tier 3 · Reviewed. Strong review agreement, with limited or early support from human studies. Rank 15 within Tier 3 for Energy; 41 of 107 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
75 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
93% of 11,855
Biohacker Mentions
10 of 10
Cost per month
$13

Study, Trial or Testing Result Summary

Members Only104 human studies · 38 improved

6 of these 104 human studies gave the ingredient by injection, not by mouth.

104 human studies38 improved50 no effect109,938 people studied

Magnesium is the only ingredient here at a dose that matches the studies, and its results for energy are mixed. Oral magnesium reduced fatigue in adults with metabolic conditions at 80 milligrams a day [1] and improved energy scores in women with polycystic ovary syndrome [2]. A trial of magnesium with B vitamins lowered fatigue in people with bowel disease [3]. In people with fibromyalgia, magnesium did not ease fatigue more than placebo [4][5]. Strong results from a chronic fatigue study came from weekly injections, not pills [6]. Allithiamine, the main ingredient, has no human studies for energy. The thiamin is a trace amount, far below the 10 milligrams that helped older women who were low in it [7]. Riboflavin and vitamin B6 are also well below the doses studied [8][9]. Across the B vitamins, larger trials mostly found no effect on fatigue in people who are not deficient [10][11][12]. Pantothenic acid showed no benefit in small exercise trials, even at much higher doses [13]. Animal and cell studies are never counted.

See all 104 studies →Hide the studies

Review Totals and Summary

Members Only11,855 reviews · 93% positive
11,855 reviews · Amazon 3,990 · Store.ayurveda 1,730 · Ebay 1,730 · Dr. Berg website 1,471 · Shop.drberg 1,211 · Walmart 252
93% positive3% neutral4% negative

Across the stores that sell it, Dr. Berg Natural Vitamin B1+ Allithiamine with B Complex Blend has about 7,184 ratings, and the picture is strongly positive. Buyers mostly praise the quality and trust the brand, while a few raise concerns about dose, price and delivery. **What buyers say it did for them:** Several report more energy, better concentration, or feeling better overall. One says "for sure I do have energy" after almost two weeks, and another says it "Really helps with my concentration." A long-term user credits the brand's vitamins with helping through hot flashes and keeping them balanced. The Dr. Berg store pages also say an AI overview highlights energy and sleep, though no copied review mentions sleep. **What buyers complain about:** The one low rating says the product has "only 3 miligrams of thiamine vitamin B1" and is extremely expensive. A recurring point of confusion is dosing. The bottle says one capsule a day, so 60 capsules should last two months, yet the monthly subscription sends a bottle every month, and a Dr. Berg video mentions two a day. Shipping also drew a complaint: one buyer in Mexico had a parcel with a missing PO Box number that sat for five weeks. Another buyer, in a remote area, was pleased that the order arrived "like in 2 days." **Taste, smell, pill size and form:** Little is said here. One reviewer calls it "1 pill easy to swallow" in a 60-capsule bottle. The store summaries note that no reviewer discusses taste or capsule size beyond that. Reviews of other forms of this product, such as gummies or powder, were left out. **Value for money:** Price is raised only by the critical reviewer, who calls it extremely expensive and tells shoppers to compare other brands. Another buyer likes that it is "The best blend of Vitamin B that doesn't have super high doses," so the moderate amounts count as a plus for some and a drawback for others. The dosing question above also bears on how long a bottle lasts and what it costs per month. **Who it seems to suit and who it did not:** The product suits people who already trust Dr. Berg and want a clean, vegan, non-synthetic B-complex. One buyer calls it "not synthetic," and another says "Dr. Bergs products are top notch quality." It also suits older adults, such as the buyer who takes it "especially as we get older." Some take it every day in the morning on an empty stomach, alongside other Dr. Berg products. One buyer says they checked with their doctor first because of other medical issues. It was a poorer fit for the reviewer who wanted more thiamine per capsule for the price, and for subscribers unsure whether one or two capsules a day matches the delivery schedule. Several reviews are short and give no detail, such as "All the right ingredients."

Biohacker Summary

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

Magnesium drew comment from all ten panelists, and most recommend it or take it themselves, mainly for sleep. Others cite blood pressure, muscle function, bone health, mood and brain function, and several say a standard blood test can miss low levels. Preferred forms are glycinate and L-threonate, with three panelists taking 400 mg of threonate before bed, and electrolyte drinks that contain magnesium also come up; other doses range from 300 mg before bed to a minimum of 300 to 500 mg a day, and one panelist aims for about a gram. One panelist says it does not fix waking up during the night, and another warns that some labels list the whole compound weight so the real magnesium dose looks much larger than it is. Folate and vitamin B12 are smaller ingredients in this product, and the few panelists who mention them favor active forms such as methylfolate and methylcobalamin.

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.
    • 21 Oct 2026 · Folate · neutral · YouTube ↗
      Notes that taking folate can lower homocysteine levels, which has shown health benefits and physical improvements in brain scans in clinical trials.
    • 19 Oct 2026 · Folate · neutral · YouTube ↗
      Notes that some people may need a little bit extra folate with a supplement.
    • 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.
    • 30 Sep 2026 · Niacin · neutral · YouTube ↗
      Explains that pellagra, which killed 100,000 Americans, was a niacin deficiency, a B vitamin.
    • 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 · Folate · uses · YouTube ↗
      Optimized a child's nutrient status with folate, as the child had low folate levels and was not eating greens.
  • 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.
    • 17 Oct 2026 · Folate · neutral · Facebook ↗
      States that folate 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.
    • 5 Aug 2026 · Folate · recommends · Facebook ↗
      Recommends methylfolate as a better option than folic acid.
    • 28 Jul 2026 · recommends · YouTube ↗
      Mentions magnesium glycinate as one of the extensively researched ingredients in Kill Switch that helps with natural sleep.
    • 25 Jul 2026 · Niacin · recommends · YouTube ↗
      Recommends niacin, a form of vitamin B3, as one of the two most important raw materials for NAD+ production, found in foods like beef liver, chicken, turkey, and fish, or from supplements.
    • 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.
  • 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.
    • 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.
    • 21 Oct 2026 · Vitamin B1 · recommends · YouTube ↗
      States that taking Vitamin B1 might help with swollen legs and ankles.
    • 19 Oct 2026 · Folate · neutral · YouTube ↗
      Notes that birth control pills deplete the body of folate, which is needed for the brain to make serotonin.
    • 19 Oct 2026 · Niacin · recommends · Podcast ↗
      States that expensive NAD+ supplements only turn into $5 niacin in the body and that research has shown niacin can actually raise NAD levels in the blood 5 to 8 times their baseline levels.
    • 18 Oct 2026 · Vitamin B1 · recommends · Instagram ↗
      Dr. Eric Berg states that vitamin B1 supports the nerve function and energy production involved in the brain's response to changes in hearing, which plays a major role in tinnitus.
  • 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.
    • 12 Oct 2026 · Folate · recommends · Facebook ↗
      Recommends methylfolate as an active form of folate that the body can use directly without conversion.
    • 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.
    • 29 Aug 2026 · Niacin · neutral · YouTube ↗
      States that Nrf2 activators, when combined with something like niacin, may have a good effect on plaque progression.
    • 25 Aug 2026 · 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 · Folate · recommends · YouTube ↗
      Recommends bioavailable folate, not synthetic folic acid, as folate deficiencies seem to impact hearing health in older individuals.
    • 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.
  • 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.
    • 28 Sep 2026 · Folate · recommends · YouTube ↗
      Recommends ensuring adequate methyl folate intake, ideally through a prenatal vitamin, for women 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.
    • 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.
    • 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.
    • 8 Oct 2025 · Vitamin B12 · warns · Facebook ↗
      Warns that Vitamin B12 enhances light's melatonin-suppressing effects and should be avoided too close to bedtime.
    • 9 Sep 2025 · Biotin · warns · YouTube ↗
      Advises avoiding biotin-containing supplements before a testosterone blood test as they can cross-detect with estrogens and confound results.
    • 20 Aug 2025 · Folate · neutral · Instagram ↗
      Notes that dark leafy greens are a great source of folate.
  • 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.
    • 5 Sep 2026 · Niacin · uses · YouTube ↗
      Uses niacin as part of their detoxification protocol, taking enough to flush about half an hour before a sauna session.
    • 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.
    • 5 Aug 2026 · Vitamin B2 · warns · Instagram ↗
      Warns against conventional cereal, describing it as extruded, sugared, and then sprayed with vitamins that were destroyed during its making.
    • 5 Aug 2026 · Vitamin B1 · warns · Instagram ↗
      Warns against conventional cereal, describing it as extruded, sugared, and then sprayed with vitamins that were destroyed during its making.
  • 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.
    • 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.
    • 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.
    • 15 Feb 2026 · Niacin · recommends · TikTok ↗
      Suggests that in the mornings, NAD supplements like niacinamide can help kickstart the circadian rhythm.
    • 12 Feb 2026 · Niacin · recommends · Instagram ↗
      Recommends Niacinamide for skin protection, explaining it works partly through NAD metabolism that the body uses against DNA damage and is found in protein sources.
  • 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.
    • 13 Apr 2026 · Biotin · neutral · Podcast ↗
      Mentions biotin.
    • 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.
    • 31 Mar 2025 · Folate · recommends · YouTube ↗
      States that B12, folate, and iron are essential to mitochondrial function and if deficient, mitochondria will not function properly, which is consistent with the mitochondrial theory of neuropsychiatric disorders.
    • 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.
  • 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 Sep 2024 · Biotin · neutral · YouTube ↗
      Mentions biotin as an example of an ingredient that AG1 lists with a specific dose, but then contrasts it with other ingredients in proprietary blends where doses are not disclosed.
  • 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.
    • 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.
    • 29 Jun 2025 · Niacin · uses · YouTube ↗
      Peter Attia's AVIA Skincare vitamin C serum also contains niacinamide, which is useful to apply to the skin right after washing.
    • 11 May 2025 · Biotin · warns · YouTube ↗
      Warns that biotin, found in many supplements, can completely obscure findings and render a non-LCMS test for estradiol and testosterone irrelevant due to interference with ELISA-based assays.
    • 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.
    • 19 Aug 2024 · Folate · recommends · YouTube ↗
      Highlights folate supplementation as a significant practical progress in nutrition science, which has radically reduced spinabifida.
    • 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.
    • 26 Feb 2024 · Biotin · warns · YouTube ↗
      Advises that if taking a biotin supplement, one should discontinue it for at least a few days, if not a week, before a blood test, as it can dramatically skew thyroid values.

RAL Summary

Members OnlyTier 3 for Energy

The tier rests on an 80 percent improvement figure from a trial of magnesium injections, not oral magnesium; oral magnesium trials are mixed, and the main ingredient, allithiamine, has no human studies. So it is graded Tier 3, lower than the rules alone gave.

Where the evidence disagrees: 50 of the 104 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 regularity, pair this B complex with products that act on stool bulk and motility. Options include psyllium husk or partially hydrolyzed guar gum for soluble fiber, magnesium citrate or magnesium oxide for gentle osmotic action, and a probiotic such as Bifidobacterium lactis BB-12 or Lactobacillus casei Shirota. Other options are ground flaxseed or prunes/sorbitol-containing foods, plus ample water intake. Dr. Berg's approach would also consider adding apple cider vinegar, taurine or purified bile salts (such as ox bile) for fat digestion, and potassium-rich foods. For the energy purpose of this B complex, it combines well with magnesium, vitamin C, CoQ10 and alpha-lipoic acid, which works with thiamine in carbohydrate metabolism.

Possible side effects: No major side effects reported. Fatigue and stomach upset were noted with niacin only at much higher doses than this product contains.

Supplement Facts

Thiamin 0.3 mg · Riboflavin 0.3 mg · Niacin 4 mg
Supplement Facts
Serving Size 1 capsule
Servings Per Container 60
Amount Per Serving% Daily Value
Thiamin0.3 mg
Riboflavin0.3 mg
Niacin4 mg
Vitamin B60.4 mg
Folate100 mcg DFE
Vitamin B120.6 mcg
Biotin7.5 mcg
Pantothenic acid1 mg
Magnesium100 mg
Allithiamine50 mg†
† Daily Value not established.

Other ingredients: Magnesium citrate, vegetable capsule, B vitamin complex blend (broccoli (flower and stem), carrot (root), spinach (leaf), sunflower seed, chlorella), allithiamine, magnesium stearate.

Directions: As a dietary supplement, take 1 capsule per day.

Barcode (UPC) 810110790605 · Label source: Drberg · Report a label change

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Graded November 9, 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.