PlainVitamins

Viper

by Vitamin World · capsule · 120 rapid release capsules

  • On the market (NIH)
  • UPC 0 74312 75061 8
  • DSLD label 948
  • Serving 2 capsules
  • 60 servings

Viper by Vitamin World lists 10 ingredients, 10 with an amount per serving of 2 capsules, such as 200 mg of kola nut, 200 mg of oat straw, 150 mg of nettles and 100 mg of yohimbe 2% extract. Its current label entered the NIH Dietary Supplement Label Database on October 26, 2011.

What is in Viper?

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).

Viper: Supplement Facts rows against the market (DSLD label 948, January 2026 release)
IngredientAmount% DVAmong products listing it
Kola Nut200 mgCola in Viper against 39 products200 mg per serving; the middle half of products list 75 mg to 212.5 mg, the median 175 mg.200 mg

Higher than 56% of 39 products listing cola (median 175 mg). Per day at the most servings: 400 mg.

Oat Straw200 mgOats in Viper against 304 products200 mg per serving; the middle half of products list 50 mg to 500 mg, the median 187.5 mg.200 mg

Higher than 50% of 304 products listing oats (median 187.5 mg). Per day at the most servings: 400 mg.

Nettles150 mgStinging Nettle in Viper against 710 products150 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.150 mg

Higher than 54% of 710 products listing stinging nettle (median 120 mg). Per day at the most servings: 300 mg.

Yohimbe 2% Extract100 mgYohimbe in Viper against 313 products100 mg per serving; the middle half of products list 4 mg to 100 mg, the median 31.3 mg.100 mg

Higher than 74% of 313 products listing yohimbe (median 31.3 mg). Per day at the most servings: 200 mg.

Korean Ginseng120 mgOriental Ginseng in Viper against 706 products120 mg per serving; the middle half of products list 30 mg to 200 mg, the median 90 mg.120 mg

Higher than 64% of 706 products listing oriental ginseng (median 90 mg). Per day at the most servings: 240 mg.

Horny Goat Weed40 mgEpimedium in Viper against 311 products40 mg per serving; the middle half of products list 95 mg to 550 mg, the median 200 mg.40 mg

88% of 311 products listing epimedium give more (median 200 mg). Per day at the most servings: 80 mg.

Catuaba20 mgCatuaba in Viper against 70 products20 mg per serving; the middle half of products list 56.35 mg to 983 mg, the median 150 mg.20 mg

91% of 70 products listing catuaba give more (median 150 mg). Per day at the most servings: 40 mg.

Muira Puama20 mgMuira Puama in Viper against 193 products20 mg per serving; the middle half of products list 20 mg to 150 mg, the median 50 mg.20 mg

57% of 193 products listing muira puama give more (median 50 mg). Per day at the most servings: 40 mg.

Damiana20 mgDamiana in Viper against 198 products20 mg per serving; the middle half of products list 50 mg to 450 mg, the median 100 mg.20 mg

89% of 198 products listing damiana give more (median 100 mg). Per day at the most servings: 40 mg.

Saw Palmetto20 mgSaw Palmetto in Viper against 1,109 products20 mg per serving; the middle half of products list 100 mg to 320 mg, the median 200 mg.20 mg

96% of 1,109 products listing saw palmetto give more (median 200 mg). Per day at the most servings: 40 mg.

Source: NIH ODS Dietary Supplement Label Database, label 948 (entered October 26, 2011), version 9.4.0. See the label on DSLD. 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:

  • 91% of the 70 products that print an amount of catuaba list more than its 20 mg of catuaba (median 150 mg).
  • 89% of the 198 products that print an amount of damiana list more than its 20 mg of damiana (median 100 mg).
  • 96% of the 1,109 products that print an amount of saw palmetto list more than its 20 mg of saw palmetto (median 200 mg).

The NIH database records 1 to 2 servings 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?

2 products list the very same ingredients; the nearest amounts come first.

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: For adult men, take two (2) capsules with a glass of water one to two times daily. For best results, use Viper regularly.
Warnings
Do not use if seal under cap is broken or missing.
WARNING: This product is intended for use by men and is not intended for use by women. If you are taking any medications, consult your doctor before use. Avoid this product if you have liver or kidney disease, or high blood pressure. Discontinue use and consult your doctor if any adverse reactions occur. Not intended for use by persons under the age of 18.
Keep out of reach of children.
Allergens and what it does not contain
No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 948.

What else is on the label?

Other ingredients: Gelatin, Silica, Vegetable Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): QUALITY ASSURED; Vitamin World get healthy.

How many labels does Viper have?

2 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 21017 Entered May 24, 2013 · off the market February 1, 2008 · 120 capsules · UPC 0 74312 75061 8
  2. Label 948 (current) Entered October 26, 2011 · on the market · 120 rapid release capsules · UPC 0 74312 75061 8

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

Who makes it?

The label names Vitamin World, Inc. (manufacturer), Ronkonoma, NY, U.S.A.. All Vitamin World products.

Where next?