PlainVitamins

Nitro8

by ProPharm Performance · capsule · 90 capsules

  • Off the market since November 2019 (NIH)
  • UPC 00072 82011
  • DSLD label 18072
  • Serving 3 capsules; amounts per 6 capsules
  • 3 servings

Nitro8 by ProPharm Performance lists 3 ingredients, 3 with an amount per serving of 6 capsules, such as 4.5 g of propionyl L-carnitine HCl, 1,000 mg of beta-alanine and 600 mcg of folic acid. Its current label entered the NIH Dietary Supplement Label Database on February 25, 2013.

What is in Nitro8?

Each row as the label prints it, per serving of 6 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).

Nitro8: Supplement Facts rows against the market (DSLD label 18072, January 2026 release)
IngredientAmount% DVAmong products listing it
Propionyl L-Carnitine HCl4.5 g
Beta-Alanine1,000 mgBeta-Alanine in Nitro8 against 1,778 products1 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.1 g

86% of 1,778 products listing beta-alanine give more (median 2 g). Per day at the most servings: 2 g.

Folic Acid600 mcgFolate in Nitro8 against 7,022 products600 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.600 mcg

Higher than 79% of 7,022 products listing folate (median 400 mcg). Per day at the most servings: 1,200 mcg.

Source: NIH ODS Dietary Supplement Label Database, label 18072 (entered February 25, 2013), 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:

  • 86% of the 1,778 products that print an amount of beta-alanine list more than its 1 g of beta-alanine (median 2 g).

The NIH database records 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?

The products whose ingredient lists overlap most with Nitro8'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
Serving Size: 3 Capsules Full Clinical Dose: 6 Capsules
Suggested Use: As a dietary supplement, take three (3) capsules two (2) times daily in divided doses.
Warnings
Warnings: Do not exceed the recommended dose.
Keep out of reach of children.
Consult your physician before using this dietary supplement. Do not use this product if you are at risk or are being treated for high blood pressure, kidney, thyroid, or psychiatric disease, difficulty urninating, prostate enlargement, anxiety, depression, seizure disorder, or stroke. DO NOT USE IF SEAL IS DAMAGED OR MISSING.
Storage
STORE IN A COOL, DRY PLACE.

Source: label statements in DSLD label 18072.

How many labels does Nitro8 have?

One label is on file, entered on February 25, 2013.

  1. Label 18072 (current) Entered February 25, 2013 · off the market November 20, 2019 · 90 capsules · UPC 00072 82011

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

Who makes it?

The label names PRO-PHARM PERFORMANCE (distributor). All ProPharm Performance products.

Where next?