PlainVitamins

ViperX

by Blackstone Labs · capsule · 60 capsules

  • On the market (NIH)
  • UPC 6 50348 78273 3
  • DSLD label 271102
  • Serving 1 capsule
  • 60 servings

ViperX by Blackstone Labs lists 9 ingredients, 9 with an amount per serving of 1 capsule, such as 250 mg of caffeine anhydrous, 150 mg of achyranthes aspera, 100 mg of eria jarensis and 50 mg of hordenine. Its current label entered the NIH Dietary Supplement Label Database on July 21, 2022.

What is in ViperX?

Each row as the label prints it, per serving of 1 capsule. 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).

ViperX: Supplement Facts rows against the market (DSLD label 271102, January 2026 release)
IngredientAmount% DVAmong products listing it
Caffeine Anhydrous250 mgCaffeine in ViperX against 3,358 products250 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.250 mg

Higher than 69% of 3,358 products listing caffeine (median 200 mg).

Achyranthes aspera150 mg
Eria jarensis100 mg
Hordenine50 mgHordenine in ViperX against 132 products50 mg per serving; the middle half of products list 25 mg to 50 mg, the median 50 mg.50 mg

17% of 132 products listing hordenine give more (median 50 mg).

Theobromine50 mgTheobromine in ViperX against 372 products50 mg per serving; the middle half of products list 50 mg to 100 mg, the median 100 mg.50 mg

67% of 372 products listing theobromine give more (median 100 mg).

Teacrine50 mg
Advantra Zas Synephrine30 mgBitter orange in ViperX against 198 products30 mg per serving; the middle half of products list 50 mg to 200 mg, the median 100 mg.30 mg

85% of 198 products listing bitter orange give more (median 100 mg).

N-Methyl Tyramine30 mgN-Methyltyramine in ViperX against 71 products30 mg per serving; the middle half of products list 40 mg to 50 mg, the median 50 mg.30 mg

79% of 71 products listing N-methyltyramine give more (median 50 mg).

Bioperine10 mgBlack Pepper in ViperX against 2,363 products10 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.10 mg

Higher than 71% of 2,363 products listing black pepper (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 271102 (entered July 21, 2022), 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:

  • 85% of the 198 products that print an amount of bitter orange list more than its 30 mg of advantra Z (filed by NIH under bitter orange) (median 100 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 ViperX'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: Assess your tolerance by consuming 1 capsule in tha A.M. with water and food for 3-5 days. After assessing tolerance, you may consider adding an additional capsule in the early afternoon.
Warnings
Warning: This product includes the equivalent of (2) cups of coffee per serving.
Keep out of reach of children.
This product is intended to be consumed by healthy adults 18 years of age or older. Before using this product, seek advice from your pharmacist or a physician. Avoid using this product if you have any pre-existing medical conditions.
Do not use if you are pregnant or nursing, prone to dehydration, or exposed to excessive heat.
Discontinue use and consult your healthcare professional immediately if you experience any adverse symptoms. Improper use of this product may be hazardous to a person's health.
Allergen warning: Manufactured on shared equipment that also processes eggs, wheat, & soy (lecithin).

Source: label statements in DSLD label 271102.

What else is on the label?

Other ingredients: Gelatin, Dicalcium Phosphate, Magnesium Stearate, Silicon Dioxide.

How many labels does ViperX have?

2 labels are on file under this name since April 23, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 271102 (current) Entered July 21, 2022 · on the market · 60 capsules · UPC 6 50348 78273 3
  2. Label 218330 Entered April 23, 2020 · 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 Blackstone Labs (distributor), Boca Raton, FL. All Blackstone Labs products.

Where next?