Skip to main content
Verified by IngredientMD/Thorne/Berberine 500mg
VERIFIED BYingredientMD

Berberine 500mg.

Strong evidence, strong doseThorne, verified Oct 2026Formula verified. Independently reviewed.Independent review. Not commissioned by Thorne.

Berberine Phytosome is the lead active here, studied most for switching cleanly between fuels. 13 human studies on Berberine Phytosome back this formula, each one cited. Each serving carries 550 mg of Berberine Phytosome, inside the range the published research used. Who it fits: for everyone, adults.

Clinically dosedFull label disclosure
2Active ingredientsWell studiedResearch base18Human studies
Berberine 500mgVerified by IngredientMD
ThorneIngredientMD
The verdict
Strong evidence, strong dose
For everyone, adults.
How we verify

The brand submits the formula. We read the supplement facts panel and weigh dose, form and synergy against the clinical evidence. Labs test. IngredientMD verifies. The fee pays for review time, never for the outcome.

The formula
Berberine HCl: Switching cleanly between fuelsExtensively studied
Berberine Phytosome: Switching cleanly between fuelsKey driver

How we read this product

Source: Supplement facts
Supplement Facts panel for Berberine 500mg
  1. 01
    We read the label.

    The panel on the left is the one we evaluated, line by line.

  2. 02
    Every active, separately.

    All 2 actives checked against the clinical evidence: dose, form, and what the research actually shows.

  3. 03
    Then the formula as a whole.

    Doses, ratios, and how the ingredients work together. That assessment is the verdict above: "Strong evidence, strong dose".

  4. 04
    Earned, not bought.

    The verdict is public and identical whether or not a brand pays. A formula that does not clear the bar gets nothing.

Read by the engine against 2.1 million data points from clinical trials, PubMed and more than a hundred vetted sources. No individual reviewer is named or implied.

The receipts

Well studied
Research base
18
Human studies
550 mg
Berberine Phytosome
450 mg
Berberine HCl
550 mg per serving sits inside the studied 500 mg-1.5 g range
Berberine Phytosome, Yin 2008 meta + Dong 2012 glucose study

Cross-checked against 548 documented interactions for these actives.

Read the evidenceBerberine HCl, the evidence →Berberine Phytosome, the evidence →

Inside the formula

Berberine HCl
Switching cleanly between fuels
Extensively studied
Berberine Phytosome
13 studies
Switching cleanly between fuels
Studied 500 mg to 2 g a day
Key driver
In context

The gap this formula speaks to.

Public health figures the engine matched to this formula's ingredients. Reported by their source, cited and dated, never written by the brand.

The people it speaks toFieldwork March 13 to 27, 2025

15% of US adults

reported following a calorie-counting eating pattern in the past year, in the International Food Information Council's 2025 Food and Health Survey.

International Food Information Council, 2026
The people it speaks toFieldwork March 13 to 27, 2025

75% of US adults

said they were trying to limit or avoid sugar in their diet, in the International Food Information Council's 2025 Food and Health Survey.

International Food Information Council, 2026
This formulaNHANES 2017-2018, published 2021

57.6%

During 2017 to 2018, 57.6% of US adults aged 20 and over reported using a dietary supplement in the past 30 days.

CDC National Center for Health Statistics
13 more
Daily use

59 to 66 days

was the median time it took adults to make a new daily health habit automatic across the studies a 2024 review pooled, with individuals ranging from 4 to 335 days.

Systematic review and meta-analysis, 2024
Berberine HCl

Systematic review and meta-analysis, 2020

Pooling 12 trials, berberine supplementation modestly lowered body weight by about 2.1 kg and waist size by about 1.1 cm.

Clinical Nutrition ESPEN
Berberine Phytosome

Randomised trial, 2025

In adults with elevated blood sugar, taking 1200 mg of berberine plus 600 mg of cinnamon daily for 12 weeks lowered fasting blood sugar, HbA1c, and LDL cholesterol.

European Journal of Nutrition
Berberine Phytosome

Meta-analysis, 2020

Across 10 clinical trials, berberine was associated with a lower body mass index (-0.29 kg/m2) and waist circumference (-2.75 cm), with no detectable change in body weight (-0.11 kg, confidence interval -0.99 to 0.76).

Complement Ther Clin Pract
Berberine Phytosome

Meta-analysis, 2023

Pooling 20 trials in about 1,761 adults, berberine lowered fasting blood sugar by roughly 0.5 mmol/L.

The Journal of Nutrition
Berberine HCl

Systematic review and meta-analysis, 2025

Across placebo-controlled randomized trials in adults, berberine lowered LDL cholesterol by about 0.50 mmol/L and total cholesterol by about 0.45 mmol/L.

Frontiers in Pharmacology
Berberine Phytosome

Meta-analysis, 2024

In adults with metabolic strain, berberine lowered fasting blood sugar by 0.77, a long-term blood sugar marker by 0.57, an insulin resistance marker by 1.04, and two inflammation markers.

Clin Ther
Berberine HCl

Systematic review and meta-analysis, 2022

Pooling 37 randomized trials in 3,048 adults with high blood sugar, berberine lowered fasting blood glucose by about 0.82 mmol/L and HbA1c by about 0.63 percentage points, without raising the rate of low blood sugar.

Frontiers in Pharmacology
Berberine HCl

Randomised trial, 2021

In adults with above-normal blood sugar, adding a berberine-containing nutraceutical to usual care improved glycaemic markers more than usual care alone over the study period.

Nutrients
Berberine Phytosome

Randomised trial, 2026

In eight adults, 1.5 g of berberine for 7 days before an hour's exercise in heat lowered heart rate to 163 beats per minute, versus 166 with placebo.

Physiological Reports

Population figures from public health data. Context for the category, not a statement about any individual and not a claim about this product.

What this formula earned

Every one of these is a fact the engine could ground.

Each line below was derived from this formula's own record at the time of verification. Nothing here was written by the brand, and nothing can be added that the evidence does not carry.

  • Studied in people13 human studies on Berberine Phytosome back this formula, each one cited.
  • A mechanism that is settledHow Berberine HCl and Berberine Phytosome work is settled pharmacology.
  • Recent work on the recordThe most recent study on this record was published in 2026.
  • Serving amount inside the studied rangeEach serving carries 550 mg of Berberine Phytosome, inside the range the published research used.
  • A stated daily maintenance amountBerberine Phytosome is here at a daily maintenance amount, which is what a daily supplement is for.
  • Why this formatIt is a capsule, so the amount per serving is fixed and travels without measuring.
  • The exact form, describedThe label names its forms exactly: Berberine HCl, Berberine hydrochloride. The record says what each one is and what it suits.
  • Full label disclosureEvery ingredient on this label carries its own declared amount.
  • Where it comes from and how it is madeBerberine HCl is made by botanical.
  • Positions this formula already qualifies forThis formula already qualifies for positions beyond the one it is sold into, on the evidence it carries.
  • A position nobody is holding yetSome of those positions are ones almost nobody is selling to yet.
What the trials show

What the trials show about timing.

Time-to-effect windows the engine read from the trial record. Each is a window a named study measured, cited and dated, never written by the brand.

  • Berberine HClabout 7 days of daily useBuilds with daily use

    In a placebo-compared trial, 8 healthy young adults took 1.5 g of berberine daily for 7 days before running an hour in 35 degree heat. Mean body temperature, heart rate, respiratory rate, thermal sensation and general discomfort during the run were all modestly lower with berberine than placebo. One small trial of 8 people.

    Early

Windows measured in the cited trials. Context for how the active behaves over time, not a statement about any individual and not a claim about this product.

General timing

How each ingredient usually behaves over time.

Two ingredients, from each one's own page.

How each ingredient usually behaves over time, from its own page on IngredientMD. General timing for the ingredient, not a measurement of this product.

Chemical form

The same ingredient, carried differently.

What each form is, and where it fits in a formula. Measured findings carry the study that reported them.

  • Berberine HCl

    Chloride salt of the berberine cation, usually supplied as the dihydrate. A yellow crystalline powder with limited water solubility

    Fits
    The form nearly all human research and nearly all capsules use, so a label dose is directly comparable to the literature
    Trade-off
    Low solubility and heavy intestinal efflux mean only a small fraction of a swallowed dose reaches circulation, and gastrointestinal complaints are the common reason people stop
  • Berberine phytosome

    The berberine molecule bound into a complex with phospholipids, typically phosphatidylcholine, so each unit of the alkaloid sits within a lipid shell rather than being paired with a simple counter-ion. It is sold as a standardised branded complex.

    Fits
    The lipid pairing gives a dispersible complex that is formulated at lower label amounts than the plain hydrochloride and ships as a defined, standardised branded material.
    Trade-off
    It is a proprietary, higher-cost ingredient, and much of its supporting human work is single-arm or run by the maker, so independent head-to-head data against the hydrochloride is limited.

Descriptions of the form itself, read from the cited studies. Not a comparison between products and not a statement about any individual.

Format

Capsule

It is a capsule, so the amount per serving is fixed and travels without measuring.

Best forMost standard doses, and anywhere a short, clean label is the point.

Questions shoppers ask

Is Berberine 500mg independently verified?
Yes. IngredientMD reviewed this formula independently and verified it in Oct 2026. The verdict is earned, not bought: brands can't edit or purchase it.
What's in Berberine 500mg?
Berberine 500mg is built on Berberine HCl, Berberine Phytosome. Each ingredient links to its own evidence page on IngredientMD.
Were ingredient interactions checked?
Yes. The combination was screened against 548 documented interactions for these actives in IngredientMD's interaction database.
Who is IngredientMD?
IngredientMD is an independent supplement-science platform. We analyze ingredients and formulas against clinical research, and we verify products only when they clear our bar. Labs run the tests. We review the results.
Sell a formula this good?

Put an earned verification on your own product page.

Get verified

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This record is not medical advice. Always consult your healthcare provider before starting any supplement regimen.

Independent review by IngredientMD, not commissioned by ThorneWork at Thorne? This verification is yours to claim →