GNC Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings) supplement bottle
GNC

Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings)

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
86
Product Score Good
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
alpha-Lipoic Acid 300 mg
Bioavailability Fair

Absorption Rating

  • alpha-Lipoic Acid Fair
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Silicon Dioxide
  • Magnesium Stearate Vegetable Source
  • Polyethylene Glycol Low
Efficacy Excellent

Dosage Analysis

  • alpha-Lipoic Acid 300 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
alpha-Lipoic Acid 300 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Vegetable Source Unknown
Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$21$20$19$18 Mar 12 $19.99
GNC

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

Brand Trust Report
GNC

Founded 1935 · Pittsburgh, Pennsylvania, USA · 200 products · gnc.com

Certifications

5 certifications
Informed Sport Verified Source
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Claimed
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Frequently Asked Questions
Is GNC Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings) a good supplement?

GNC Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings) received a product quality score of 86/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients with 60 servings per container. Of the 4 inactive ingredients, 2 are rated safe and 1 are flagged for review. The manufacturer, GNC, holds a brand trust score of 88/100 with 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic.

What are the ingredients in GNC Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings)?

GNC Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings) contains 1 active ingredients: alpha-Lipoic Acid (300 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings) safe to take?

GNC Alpha-Lipoic Acid 300mg - 60 Caplets (60 Servings) has been analyzed for ingredient safety across all its components. Of 4 inactive ingredients, 2 are rated safe. 1 ingredient is flagged for review: Polyethylene Glycol. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is GNC a trustworthy supplement brand?

GNC receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 200 products in their lineup. They hold 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic. 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. 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.