Puritan's Pride Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg supplement bottle
Puritan's Pride

Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg

What We Researched
3 active ingredients analyzed · 3 inactive ingredients decoded · 6 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
77
Product Score Fair
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Berberine Hydrochloride 500 mg
Alpha Lipoic Acid 400 mg
Grape Seed Extract (as Polyphenols) 100 mg
Bioavailability Very Good

Absorption Rating

  • Alpha Lipoic Acid Fair
  • Grape Seed Extract (as Polyphenols) Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Silica
  • Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Berberine Hydrochloride 500 mg Under-dosed
  • Alpha Lipoic Acid 400 mg Effective
  • Grape Seed Extract (as Polyphenols) 100 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Berberine Hydrochloride 500 mg
Alpha Lipoic Acid 400 mg
Grape Seed Extract (as Polyphenols) 100 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Puritan's Pride

Founded 1973 · Oakdale, NY, United States · 843 products · puritan.com

Certifications

6 certifications
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

1 incident
Lawsuit The lawsuit alleged that the 'buy one get one free' offers were deceptive because the cost of the 'free' product was built into the price of the purchased product.2017Source
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Frequently Asked Questions
Is Puritan's Pride Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg a good supplement?

Puritan's Pride Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Puritan's Pride, holds a brand trust score of 73/100 with 6 verified certifications including Nsf Gmp, Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project.

What are the ingredients in Puritan's Pride Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg?

Puritan's Pride Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg contains 3 active ingredients: Berberine Hydrochloride (500 mg), Alpha Lipoic Acid (400 mg), Grape Seed Extract (as Polyphenols) (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Puritan's Pride Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg safe to take?

Puritan's Pride Berberine 500 mg Alpha Lipoic Acid 400 mg Grape Seed 100 mg has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Puritan's Pride a trustworthy supplement brand?

Puritan's Pride receives a brand trust score of 73/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Oakdale, NY, United States, the company offers 843 products in their lineup. They hold 6 verified certifications including Nsf Gmp, Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Puritan's Pride has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.