PlainVitamins

Pre-Workout

by Bio Fuel NO2 · capsule · 60 capsules

  • Off the market since October 2023 (NIH)
  • DSLD label 206063
  • Serving 2 capsules
  • 30 servings

Pre-Workout by Bio Fuel NO2 lists 4 ingredients, 1 with an amount per serving of 2 capsules; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2019.

What is in Pre-Workout?

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).

Pre-Workout: Supplement Facts rows against the market (DSLD label 206063, January 2026 release)
IngredientAmount% DVAmong products listing it
Infinite NO2 Proprietary Blend900 mg
L-Arginine Alpha Ketoglutaratein the blend, no amount given
Citrulline Malatein the blend, no amount given
L-Norvalinein the blend, no amount given
Caffeine Anhydrous100 mgCaffeine in Pre-Workout against 3,358 products100 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.100 mg

72% of 3,358 products listing caffeine give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 206063 (entered August 23, 2019), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient; 3 ingredients sit inside a blend, so their amounts cannot be compared.

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 Pre-Workout'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
Suggested Use For adults, take two (2) capsules daily.
Warnings
Warning If you are under a physician's care or taking medication, consult your health care professional before using this product. If you are pregnant, nursing, do not use without consulting physician.
Keep out of reach of children.
Tamper evidence feature Do not use if seal under cap (or cello-band over cap) is torn, broken, or missing.

Source: label statements in DSLD label 206063.

What else is on the label?

Other ingredients: Rice Flour, Gelatin, Silicon Dioxide, Magnesium Stearate.

How many labels does Pre-Workout have?

One label is on file, entered on August 23, 2019.

  1. Label 206063 (current) Entered August 23, 2019 · off the market October 11, 2023 · 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 Bio Fuel NO2 (manufacturer), Lewes, DE. All Bio Fuel NO2 products.

Where next?