Pure Encapsulations Alpha Lipoic Acid, 400 mg supplement bottle
Pure Encapsulations

Alpha Lipoic Acid, 400 mg Review

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 4 brand certifications checked · Last updated: Aug 2026
93
Product Score Excellent
81
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Alpha-Lipoic Acid (thioctic acid) 400 mg *
Ascorbyl Palmitate (fat-soluble vitamin C) 16 mg *
Bioavailability Very Good

Absorption Rating

  • Alpha-Lipoic Acid (thioctic acid) Fair
  • Ascorbyl Palmitate (fat-soluble vitamin C) Good
Other Ingredients Excellent

Fillers & Additives

  • Ascorbyl Palmitate
  • Cellulose
  • Hypoallergenic plant fiber
  • Water
Efficacy Excellent

Dosage Analysis

  • Alpha-Lipoic Acid (thioctic acid) 400 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Alpha-Lipoic Acid (thioctic acid) 400 mg *
Ascorbyl Palmitate (fat-soluble vitamin C) 16 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Hypoallergenic plant fiber Unknown
Water Safe

Dissolves and carries water-soluble ingredients.

Brand Trust Report
Pure Encapsulations

Founded 1991 · Sudbury, Massachusetts, United States · 228 products · pureencapsulations.com

Certifications

4 certifications
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
NSF Certified Verified
Gluten-Free Certified Verified

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
Contains Proprietary Blend — True
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Frequently Asked Questions
Is Pure Encapsulations Alpha Lipoic Acid, 400 mg a good supplement?

Pure Encapsulations Alpha Lipoic Acid, 400 mg received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 120 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Pure Encapsulations, holds a brand trust score of 81/100 with 4 verified certifications including Fda Gmp Inspections, Nsf Gmp, NSF Certified, Gluten-Free Certified.

What are the ingredients in Pure Encapsulations Alpha Lipoic Acid, 400 mg?

Pure Encapsulations Alpha Lipoic Acid, 400 mg contains 2 active ingredients: Alpha-Lipoic Acid (thioctic acid) (400 mg), Ascorbyl Palmitate (fat-soluble vitamin C) (16 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Pure Encapsulations Alpha Lipoic Acid, 400 mg safe to take?

Pure Encapsulations Alpha Lipoic Acid, 400 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Pure Encapsulations a trustworthy supplement brand?

Pure Encapsulations receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Sudbury, Massachusetts, United States, the company offers 228 products in their lineup. They hold 4 verified certifications including Fda Gmp Inspections, Nsf Gmp, NSF Certified, Gluten-Free Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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 — read our methodology. 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.