#1 Thorne — Berberine-5008.6- Form
- Berberine HCl, capsule
- Serving
- 500 mg berberine HCl per capsule
- Count / size
- 60 capsules
- Testing
- Brand states third-party tested
Evidence-ranked comparison
Amazon prices last checked Nov 5, 3:18 AM EST · 6/6 recorded prices
An evidence-informed comparison of leading berberine supplements, evaluated on form, labeled dose, transparency, and testing.
Independently ranked · 6 berberine products compared
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Brand statement of third-party testing, not an independent certification we verified
What to prioritize: Standardized berberine HCl with a clearly labeled per-serving dose is preferred over blends that obscure the berberine amount.
Our top berberine pick: Thorne Berberine-500 (8.6/10). Provides berberine HCl. Pooled trial evidence for berberine and fasting blood glucose is limited and specific to adults with type 2 diabetes; it does not establish a benefit for people without type 2 diabetes. This is not a treatment for any condition.
Key consideration: Berberine HCl, capsule, 500 mg berberine HCl per capsule, brand states third-party tested.
One limitation: Brand statement of third-party testing, not an independent certification we verified
Compare the decision-critical fields without side-scrolling: score, form and serving, package size, and testing confidence.
| # | Product | Score | Form & serving | Package & testing | Price and Amazon link |
|---|---|---|---|---|---|
| #1 | ThorneBerberine-500Best Overall | 8.6 | Berberine HCl, capsule 500 mg berberine HCl per capsule | 60 capsules Brand states third-party tested | $44.00Last checked Nov 5, 3:18 AM ESTNew · Seller: Pattern.Buy Now on Amazon — Thorne Berberine-500 (opens Amazon in a new tab) |
| Tied #2 | NutricostBerberine HCl 1200 mg | 8.1 | Berberine HCl, capsule 1200 mg berberine HCl per serving (2 capsules) | 60 capsules (30 servings) Testing not independently verified | $18.89Last checked Nov 5, 3:18 AM ESTNew · Seller: eSupplementsBuy Now on Amazon — Nutricost Berberine HCl 1200 mg (opens Amazon in a new tab) |
| Tied #2 | Double WoodBerberine HCl 500 mg | 8.1 | Berberine HCl, capsule 500 mg berberine HCl per capsule | 60 capsules Testing not independently verified | $18.95List: |
| Tied #2 | Luma NutritionBerberine HCl 1200 mg | 8.1 | Berberine HCl, capsule 1200 mg berberine HCl per serving (2 capsules) | 60 capsules (30 servings) Testing not independently verified | $32.98Last checked Nov 5, 3:18 AM ESTNew · Seller: Luma NutritionBuy Now on Amazon — Luma Nutrition Berberine HCl 1200 mg (opens Amazon in a new tab) |
| #5 | Peak PerformanceSuper Berberine GlucoVantage 4-in-1 | 8.0 | GlucoVantage dihydroberberine 4-in-1 capsules 100 mg dihydroberberine per 2-capsule serving | 60 capsules (30 servings) Brand states third-party tested | $29.95Last checked Nov 5, 3:18 AM ESTNew · Seller: Peak Performance HealthBuy Now on Amazon — Peak Performance Super Berberine GlucoVantage 4-in-1 (opens Amazon in a new tab) |
| #6 | Nature's BountyBerberine 1000 mg | 7.8 | Berberine, capsule 1000 mg berberine per serving | 60 capsules Testing not independently verified | $19.98Last checked Nov 5, 3:18 AM ESTNew · Seller: Amazon.comBuy Now on Amazon — Nature's Bounty Berberine 1000 mg (opens Amazon in a new tab) |
#1 Thorne — Berberine-5008.6
Tied #2 Nutricost — Berberine HCl 1200 mg8.1
Tied #2 Double Wood — Berberine HCl 500 mg8.1
Tied #2 Luma Nutrition — Berberine HCl 1200 mg8.1
#5 Peak Performance — Super Berberine GlucoVantage 4-in-18.0
#6 Nature's Bounty — Berberine 1000 mg7.8Showing 6 of 6 products
View Thorne Berberine-500 on AmazonHerbal Supplements — Berberine
Capsules · 60 capsules
View Nutricost Berberine HCl 1200 mg on AmazonHerbal Supplements — Berberine
Capsules · 60 capsules (30 servings)
View Double Wood Berberine HCl 500 mg on AmazonHerbal Supplements — Berberine
Capsules · 60 capsules
View Luma Nutrition Berberine HCl 1200 mg on AmazonHerbal Supplements — Berberine
Capsules · 60 capsules (30 servings)
View Peak Performance Super Berberine GlucoVantage 4-in-1 on AmazonBerberine Supplements
Capsules · 60 capsules (30 servings)
View Nature's Bounty Berberine 1000 mg on AmazonHerbal Supplements — Berberine
Capsules · 60 capsules
Review editorial strengths and tradeoffs plus label facts and testing confidence. Editorial review dates are shown per product. Amazon photos and prices retain their original check times while we refresh them.

Thorne
Provides berberine HCl. Pooled trial evidence for berberine and fasting blood glucose is limited and specific to adults with type 2 diabetes; it does not establish a benefit for people without type 2 diabetes. This is not a treatment for any condition.

Nutricost
Provides berberine HCl. The human evidence for berberine and blood glucose is limited and specific to adults with type 2 diabetes; it does not establish a benefit for the general public, and berberine is not a treatment for any condition.

Double Wood
Provides berberine HCl. Pooled trial evidence is limited and specific to adults with type 2 diabetes; it does not establish a benefit for people without type 2 diabetes, and berberine is not a treatment for any condition.

Luma Nutrition
Provides berberine HCl. Pooled trial evidence is limited and specific to adults with type 2 diabetes; it does not establish a benefit for the general public, and berberine is not a treatment for any condition.

Peak Performance
Provides 100 mg of GlucoVantage dihydroberberine per serving, a dose used in human absorption research. Higher plasma exposure does not establish the same clinical outcomes as standard berberine HCl.

Nature's Bounty
Provides berberine. The human evidence for berberine and blood glucose is limited and specific to adults with type 2 diabetes; it does not establish a benefit for the general public, and berberine is not a treatment for any condition.
A focused buyer framework for this ingredient—not a generic supplement checklist.
The labeled amount of berberine HCl should be explicit rather than buried inside a proprietary blend.
Many products divide the daily amount across multiple capsules or servings, which affects convenience.
Absorption claims should not replace clear labeling and evidence for the actual ingredient and dose.
Berberine may interact with medications and is not appropriate for everyone; clinician guidance can be important.
Standardized berberine HCl with a clearly labeled per-serving dose is preferred over blends that obscure the berberine amount.
Uses a well-studied, bioavailable form of the ingredient as its primary active.
Labeled serving matches amounts used in the published human research.
Per-serving amounts are stated clearly, with no proprietary blends hiding quantities.
Independent certification by a named organization is weighted above an unverified brand claim.
Fewer unnecessary fillers, binders, and additives.
Format and ease of taking the labeled serving.
Provides berberine HCl. Pooled trial evidence for berberine and fasting blood glucose is limited and specific to adults with type 2 diabetes; it does not establish a benefit for people without type 2 diabetes. This is not a treatment for any condition.
Keep in mind: Brand statement of third-party testing, not an independent certification we verified
This section contains affiliate links. We may earn a commission if you make a purchase through these links.
Thorne Berberine-500 ranks first in this comparison with an editorial score of 8.6/10. The ranking reflects the published weighted rubric, not Amazon popularity or commercial relationships.
Products are scored on ingredient form and formula, labeled amount, transparency, testing and certification, additives, and serving convenience. Volatile Amazon metrics such as price, review count, availability, and sales rank do not determine the editorial score.
Yes, but the evidence level matters. 0 products in this comparison currently list a named independent certification. A brand statement that a product is third-party tested receives less confidence than a verifiable named certification.
No. Amazon observations may help identify active products for editorial review, but sales rank, star ratings, review counts, Buy Box status, and availability are not treated as evidence of product quality or effectiveness.
The comparison remains available using independently maintained editorial facts and scoring. We keep the latest recorded Amazon photo and price while a refresh is unavailable. Each recorded price shows when it was last checked. A withdrawn photo or price is removed; a failed refresh does not erase the other field.
Berberine is a plant compound sold as a dietary supplement. The human evidence for berberine and blood glucose is limited and comes mainly from small trials in adults with type 2 diabetes; it does not establish a benefit for people without type 2 diabetes, and berberine is not a treatment for any condition. With that boundary in mind, this page compares standard berberine HCl products plus one clearly labeled dihydroberberine formula on the labeled dose, transparency, and testing. Value is not part of the score, and Amazon popularity is only an eligibility signal.
We started from berberine products appearing among the leading Amazon listings observed on June 19, 2026. We retained products with a clearly labeled berberine HCl or dihydroberberine amount, including five standard HCl products and one explicitly identified multi-ingredient dihydroberberine formula. We removed products whose labels obscured the relevant amount, then scored each on our published methodology. Value is not part of the editorial score.
Uses a well-studied, bioavailable form of the ingredient as its primary active.
Labeled serving matches amounts used in the published human research.
Per-serving amounts are stated clearly, with no proprietary blends hiding quantities.
Independent certification by a named organization is weighted above an unverified brand claim.
Fewer unnecessary fillers, binders, and additives.
Format and ease of taking the labeled serving.
We do not score price or value, so that weight is redistributed across the criteria above. Amazon popularity is used only as an eligibility and discovery signal for which products we review; it is never treated as proof of quality or effectiveness.
Displayed scores are rounded to one decimal. Final ordering uses the underlying weighted score and our published tiebreak criteria — testing, then label transparency, then ingredient form, then labeled dose. Products that remain exactly tied are shown as a tie, never ordered by listing position.