PlainVitamins

Staminol

by GNC Men's · capsule · 60 capsules

  • On the market (NIH)
  • UPC 0 48107 13393 1
  • DSLD label 315304
  • Serving 2 capsules
  • 30 servings

Staminol by GNC Men's lists 10 ingredients, 7 with an amount per serving of 2 capsules, such as 150 mg of oat straw, powder, 100 mg of gamma-aminobutyric acid, 60 mg of yohimbe bark extract and 20 mg of horny goat weed, powder; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2024.

What is in Staminol?

Each row as the label prints it, per serving of 2 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Staminol: Supplement Facts rows against the market (DSLD label 315304, January 2026 release)
IngredientAmount% DVAmong products listing it
Proprietary Blend200 mg
L-Arginineas L-Argininein the blend, no amount given
Epimedium Leaf, Stem Extractas Epimedium sagittatum Leaf Extract, Epimedium sagittatum Stem Extractin the blend, no amount given
Maca, Powderin the blend, no amount given
Oat Straw, Powder150 mgOats in Staminol against 304 products150 mg per serving; the middle half of products list 50 mg to 500 mg, the median 187.5 mg.150 mg

52% of 304 products listing oats give more (median 187.5 mg).

Gamma-Aminobutyric Acid100 mgGABA in Staminol against 744 products100 mg per serving; the middle half of products list 80 mg to 400 mg, the median 100 mg.100 mg

48% of 744 products listing GABA give more (median 100 mg).

Yohimbe Bark Extract60 mgYohimbe in Staminol against 313 products60 mg per serving; the middle half of products list 4 mg to 100 mg, the median 31.3 mg.60 mg

Higher than 66% of 313 products listing yohimbe (median 31.3 mg).

Horny Goat Weed, Powderas Epimedium sagittatum, Powder20 mgHorny Goat Weed in Staminol against 93 products20 mg per serving; the middle half of products list 100 mg to 1,000 mg, the median 500 mg.20 mg

96% of 93 products listing horny goat weed give more (median 500 mg).

Muira Puama, Powderas Ptychopetalum olacoides, Powder10 mgMuira Puama in Staminol against 193 products10 mg per serving; the middle half of products list 20 mg to 150 mg, the median 50 mg.10 mg

91% of 193 products listing muira puama give more (median 50 mg).

Damiana, Powderas Turnera diffusa, Powder10 mgDamiana in Staminol against 198 products10 mg per serving; the middle half of products list 50 mg to 450 mg, the median 100 mg.10 mg

91% of 198 products listing damiana give more (median 100 mg).

Saw Palmetto, Powder10 mgSaw Palmetto in Staminol against 1,109 products10 mg per serving; the middle half of products list 100 mg to 320 mg, the median 200 mg.10 mg

97% of 1,109 products listing saw palmetto give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 315304 (entered July 25, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 96% of the 93 products that print an amount of horny goat weed list more than its 20 mg of horny goat weed (median 500 mg).
  • 91% of the 193 products that print an amount of muira puama list more than its 10 mg of muira puama (median 50 mg).
  • 91% of the 198 products that print an amount of damiana list more than its 10 mg of damiana (median 100 mg).
  • 97% of the 1,109 products that print an amount of saw palmetto list more than its 10 mg of saw palmetto (median 200 mg).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Staminol's, rare ingredients counting for more.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Directions: As a dietary supplement, take two capsules before activity.
Warnings
Keep out of reach of children.
Contains: wheat. Contains a bioengineered food ingredient.
Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication or have a medical condition.
Discontinue use 2 weeks prior to surgery. Use only as directed. Do not exceed recommended daily intake.
Allergens and what it does not contain
No artificial colors, no artificial flavors.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 315304.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Gelatin, Microcrystalline Cellulose, Stearic Acid, Water, Purified, Magnesium Stearate, Silicon Dioxide, Maltodextrin.

How many labels does Staminol have?

8 labels are on file under this name since October 26, 2011: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 315304 (current) Entered July 25, 2024 · on the market · 60 capsules · UPC 0 48107 13393 1
  2. Label 278026 Entered October 24, 2022 · on the market · 60 capsules · UPC 0 48107 22720 3
  3. Label 228841 Entered July 23, 2020 · off the market December 18, 2023 · 60 capsules · UPC 0 48107 16045 6
  4. Label 74633 Entered June 23, 2017 · off the market May 7, 2020 · 60 capsules · UPC 0 48107 16045 6
  5. Label 74632 Entered June 23, 2017 · on the market · 60 capsules · UPC 0 48107 16051 7
  6. Label 63976 Entered August 24, 2016 · off the market July 25, 2016 · 60 capsules · UPC 0 48107 16051 7
  7. Label 63975 Entered August 24, 2016 · off the market May 10, 2017 · 60 capsules · UPC 0 48107 16045 6
  8. Label 964 Entered October 26, 2011 · on the market · 60 capsules

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names GNC Holdings, LLC (distributor), Pittsburgh, PA. All GNC Men's products.

Where next?