GNC Huperzine A supplement bottle
GNC

Huperzine A Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 10 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
96
Brand Score Excellent

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
Huperzine A 50 mcg †
Bioavailability Excellent

Absorption Rating

  • Huperzine A Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Cellulose
  • Vegetable Cellulose Capsule
Efficacy Excellent

Dosage Analysis

  • Huperzine A 50 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Huperzine A 50 mcg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetable Cellulose Capsule Safe

Vegetarian/vegan capsule shell.

Brand Trust Report
GNC

Founded 1935 · Pittsburgh, Pennsylvania, USA · 1590 products · gnc.com

Certifications

10 certifications
Informed Sport Verified Source
Nsf Certified For Sport Verified Source
Clean Label Project Verified Source
Labdoor Verified Source
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source
Nsf Gmp Verified Source
Informed Choice Verified

Transparency

5 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Claimed
Contains Proprietary Blend — True

Violation History

34 incidents
Prop 65 Not specified on product pageOngoingSource
Recall GNC Women's 30+ Vitapak2025-06-13Source
Recall GNC Women's 30+ Vitapak2025-06-13Source
Recall GNC Women's 30+ Vitapak2025-06-09Source
Recall GNC Women's 30+ Vitapak2025-06-05Source
Recall GNC Women's 30+ Vitapak2025-04-25Source
Lawsuit Misrepresentation of the amount of elemental magnesium in 'Super Magnesium' supplements.2024Source
Lawsuit Misrepresentation of the amount of elemental magnesium in 'Super Magnesium' supplements.2024Source
Lawsuit Mislabeled magnesium content in 'Super Magnesium' supplements.2024Source
Lawsuit Misrepresentation of magnesium content in 'Super Magnesium' supplements.2024Source
Recall GNC Women's Ultra Mega, Women's Ultra Mega Active, Women's Ultra Mega Energy and Metabolism, and Prenatal Formula with Iron2023-01-12Source
Lawsuit Falsely advertising 'Total Lean' protein bars as 'lean'.2023Source
Lawsuit Selling Vitamin E Skin Oil that was primarily composed of vegetable oil.2020Source
Lawsuit Selling Vitamin E Skin Oil that was mostly vegetable oil.2020Source
Prop 65 Lead, Cadmium2019-02-07Source
Prop 65 Lead and/or Cadmium2019-02-07Source
Prop 65 Lead, Cadmium2019-02-07Source
Prop 65 Lead, Cadmium2019-02-07Source
Prop 65 lead and/or cadmium2019-02-07Source
Lawsuit Deceptively labeling dietary supplements as if they have FDA approval.2019Source
Lawsuit Deceptively advertising fake markdowns online to mislead consumers into thinking items were on 'sale.'2019Source
Lawsuit Deceptively labeling dietary supplements regarding FDA approval and failing to include required disclaimers.2019Source
Lawsuit Using fake 'original' prices to deceive customers.2019Source
Recall Women's Iron Complete Dietary Supplement 60-count caplets2018-12-19Source
Prop 65 Lead2018-10-12Source
Prop 65 Lead2018-10-12Source
Recall Various GNC Women's Multivitamins2018-01-04Source
Recall GNC Women's Ultra Mega Time Release2016-11-18Source
Recall GNC Women's Ultra Mega Time Release 180-count2016-11-16Source
Lawsuit Knowingly selling products containing unlawful synthetic chemicals (picamilon, BMPEA, and acacia rigidula).2016Source
Lawsuit Unfair discontinuation of the Gold Card discount program.2016Source
Fda Warning Inclusion of unapproved dietary ingredient Beta-methylphenethylamine (BMPEA) in products.2015-04-01Source
Lawsuit Mislabeling of herbal supplements2015Source
Lawsuit Selling products containing illegal synthetic ingredients.2015Source
Related Supplements
Jamieson Extra Strength D3 2500 IU
Jamieson Extra Strength D3 2500 IU
Product 100 Brand 100
Gaia Herbs Hibiscus Flower Liquid Phyto-Caps
Gaia Herbs Hibiscus Flower Liquid Phyto-Caps
Product 100 Brand 100
Gaia Herbs Olive Leaf Liquid Phyto-Caps
Gaia Herbs Olive Leaf Liquid Phyto-Caps
Product 100 Brand 100
GNC Tart Cherry
GNC Tart Cherry
Product 100 Brand 96
GNC Creatine Monohydrate (Blue Raspberry
GNC Creatine Monohydrate (Blue Raspberry
Product 100 Brand 96
GNC Magnesium 250 mg (Strawberry
GNC Magnesium 250 mg (Strawberry
Product 100 Brand 96
Frequently Asked Questions
Is GNC Huperzine A a good supplement?

GNC Huperzine A received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, GNC, holds a brand trust score of 96/100 with 10 verified certifications including Informed Sport, Nsf Certified For Sport, Clean Label Project, Labdoor.

What are the ingredients in GNC Huperzine A?

GNC Huperzine A contains 1 active ingredients: Huperzine A (50 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Huperzine A safe to take?

GNC Huperzine A 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 GNC a trustworthy supplement brand?

GNC receives a brand trust score of 96/100 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 1590 products in their lineup. They hold 10 verified certifications including Informed Sport, Nsf Certified For Sport, Clean Label Project, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: GNC has 34 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Download on App Store Browse All Supplements
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.