GNC Men's Maca Man supplement bottle
GNC Men's

Maca Man

What We Researched
6 active ingredients analyzed · 9 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
60
Product Score Fair
70
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Niacin (as Niacin, Niacinamide) 50 mg 313%
Calcium 55 mg 4%
L-Arginine 1000 mg
Maca, Powder (as Lepidium meyenii, Powder, Lepidium meyenii, Powder) 900 mg
Yohimbe Bark Extract 62.5 mg
Ginkgo biloba Leaf Extract 40 mg
Bioavailability Good

Absorption Rating

  • Niacin (as Niacin, Niacinamide) Good
  • Calcium Good
  • L-Arginine Good
  • Maca, Powder (as Lepidium meyenii, Powder, Lepidium meyenii, Powder) Fair
  • Yohimbe Bark Extract Fair
  • Ginkgo biloba Leaf Extract Poor
Other Ingredients Good

Fillers & Additives

  • Microcrystalline Cellulose
  • Dicalcium Phosphate
  • Stearic Acid
  • Silicon Dioxide
  • Magnesium Stearate
  • Shellac
  • Croscarmellose Sodium
  • Talc High
  • Carnauba Wax
Efficacy Poor

Dosage Analysis

  • Niacin (as Niacin, Niacinamide) 50 mg High
  • Calcium 55 mg Under-dosed
  • L-Arginine 1000 mg Under-dosed
  • Maca, Powder (as Lepidium meyenii, Powder, Lepidium meyenii, Powder) 900 mg High
  • Yohimbe Bark Extract 62.5 mg Under-dosed
  • Ginkgo biloba Leaf Extract 40 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Niacin (as Niacin, Niacinamide) 50 mg 313%
Calcium 55 mg 4%
L-Arginine 1000 mg
Maca, Powder (as Lepidium meyenii, Powder, Lepidium meyenii, Powder) 900 mg
Yohimbe Bark Extract 62.5 mg
Ginkgo biloba Leaf Extract 40 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Dicalcium Phosphate Safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Shellac Safe

Used as an enteric coating to protect supplements from stomach acid.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$39$38$37$36$35 Mar 12 $36.99
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 Men's

Founded 1935 · Pittsburgh, Pennsylvania, USA · 20 products · gnc.com/

Certifications

4 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified Source
Nsf Certified For Sport Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is GNC Men's Maca Man a good supplement?

GNC Men's Maca Man received a product quality score of 60/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 6 active ingredients with 20 servings per container. Of the 9 inactive ingredients, 8 are rated safe and 0 are flagged for review. The manufacturer, GNC Men's, holds a brand trust score of 70/100 with 4 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport.

What are the ingredients in GNC Men's Maca Man?

GNC Men's Maca Man contains 6 active ingredients: Niacin (as Niacin, Niacinamide) (50 mg), Calcium (55 mg), L-Arginine (1000 mg), Maca, Powder (as Lepidium meyenii, Powder, Lepidium meyenii, Powder) (900 mg), Yohimbe Bark Extract (62.5 mg), Ginkgo biloba Leaf Extract (40 mg). Notable high-dose ingredients include Niacin at 313% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Men's Maca Man safe to take?

GNC Men's Maca Man 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 GNC Men's a trustworthy supplement brand?

GNC Men's receives a brand trust score of 70/100 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 20 products in their lineup. They hold 4 verified certifications including Consumerlab, Informed Sport, Labdoor, Nsf Certified For Sport. 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.