Reverse Age Lab Logo
Dr. Mercola Biothin Berberine with Chromium bottle
+ Add to ProtocolAsk Rala about it

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
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
Members
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Members
Biohacker Mentions
Members
Cost per month
$62 at 2 servings
+ Add to ProtocolAsk Rala about it

Study, Trial or Testing Result Summary

MembersHuman 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. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Review Totals and Summary

Members716 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. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Biohacker Summary

MembersWhat 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. …

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

RAL Summary

MembersThe tier and why

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

More Details

MembersBody systems · Combine with · Possible side effects

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

Members see the full analysis, checked against their own meds and goals. Start My 7-Day Free Trial →

Supplement Facts

Niacin 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 Buy

Amazon · iHerb · Walmart
AmazonBuy ↗
iHerbBuy ↗
WalmartBuy ↗

We sell no supplements. Prices change; check the store.

More blood sugar products

MembersThe highest ranked for the same goal
  • Tier
  • Tier
  • Tier

All blood sugar supplements, ranked

Members see the products, their ranking and the reasons. Start My 7-Day Free Trial →

Read more

Our articles on this subject

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.