Mercola Market Dr. Mercola Biothin Berberine with Chromium Review

A dietary supplement from Dr. Mercola featuring Berberine and Chromium, designed to support healthy metabolic function and blood sugar levels.

Product Focus: Blood SugarAlso covers:HormonesDigestionHeart
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$62 at 2 servings
Study, Trial or Testing Result SummaryMembersHuman studies

Two of the three ingredients here have solid study support for blood sugar, mainly in people with type 2 diabetes. Berberine reaches a dose when taken as directed, two servings a day for 700 milligrams, the 600 milligrams that in studies. …

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Review Totals and SummaryMembers716 reviews
716 reviews · IHerb 714 · Walmart 2

Dr. Mercola Biothin Berberine with Chromium has attracted an impressive number of reviews online, and the reflect a very experience with the product. Users frequently mention that they’ve noticed in their overall energy levels and, in some cases, blood sugar regulation, which attribute to consistent daily use. …

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Biohacker SummaryMembersWhat our biohacker panel says

Two of them take 500 mg with meals, and another cites 500 mg three times a day with meals; one prefers a dihydro form and another points to a absorbed form. are real: one says to talk to a doctor first because taking it on an empty stomach caused blood sugar, headaches, dizziness and blurred vision for him, though he felt fine with a carb-rich meal, another advises care when combining it with other glucose- meds, and one stopped using it once his eating changed. …

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RAL SummaryMembersThe tier and why
More DetailsMembersBody systems · Combine with · Possible side effects

Body systems: Endocrine and metabolic system, Digestive system, Cardiovascular system. Combine with and possible side are for members.

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Supplement FactsNiacin 2.4 mg · Chromium 400 mcg · Berberine Phytosome Complex^ 350 mg
Supplement Facts
Serving Size 1 Capsule
Servings Per Container 30
Amount Per Serving% Daily Value
Niacin (from Chromium Polynicotinate)2.4 mg15%
Chromium (from Chromium Polynicotinate)400 mcg1143%
Berberine Phytosome Complex^ (from Berberis aristata Root Extract)350 mg†
† Daily Value not established.

Directions: Adults, as a dietary supplement, take one (1) capsule daily with a meal.

Barcode (UPC) 810094210083 · Label source: Pureformulas · Report a label change

Where to BuyMercola Market · Amazon · iHerb
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Graded October 23, 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.