PlainVitamins

NitroCaps

by 8WeeksOut · capsule · 180 capsules

  • On the market (NIH)
  • UPC 6 47732 62523 3
  • DSLD label 228505
  • Serving 2 capsules; amounts per 6 capsules
  • 30 servings

NitroCaps by 8WeeksOut lists 4 ingredients, 4 with an amount per serving of 6 capsules, such as 2,800 mg of beet root extract, 1,000 mg of L-citrulline, 500 mg of hawthorne extract and 200 mg of L-norvaline. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.

What is in NitroCaps?

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).

NitroCaps: Supplement Facts rows against the market (DSLD label 228505, January 2026 release)
IngredientAmount% DVAmong products listing it
Beet root extractBeet root extract PlantPart: root Genus: Beta Species: vulgaris Note: High Nitrate2,800 mgBeet in NitroCaps against 850 products2,800 mg per serving; the middle half of products list 10.63 mg to 500 mg, the median 100 mg.2,800 mg

Higher than 94% of 850 products listing beet (median 100 mg). Per day at the most servings: 8,400 mg.

L-CitrullineL Citrulline Note: Amino Acid1,000 mgCitrulline in NitroCaps against 1,209 products1 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.1 g

73% of 1,209 products listing citrulline give more (median 3 g). Per day at the most servings: 3 g.

Hawthorne extract500 mgHawthorn in NitroCaps against 589 products500 mg per serving; the middle half of products list 75 mg to 400 mg, the median 200 mg.500 mg

Higher than 77% of 589 products listing hawthorn (median 200 mg). Per day at the most servings: 1,500 mg.

L-NorvalineL-Norvaline Note: Amino Acid200 mgNorvaline in NitroCaps against 95 products200 mg per serving; the middle half of products list 100 mg to 250 mg, the median 100 mg.200 mg

Higher than 60% of 95 products listing norvaline (median 100 mg). Per day at the most servings: 600 mg.

Source: NIH ODS Dietary Supplement Label Database, label 228505 (entered June 24, 2020), 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:

  • Its 2,800 mg of beet is higher than 94% of the 850 beet products that print an amount; 52 list more.

The NIH database records 3 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 NitroCaps'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: Take 2 capsules three times daily to support healthy NO2 levels and optimal health benefits. For enhanced performance during athletic events, take 6 capsules prior to event with 2 full glasses of water.
Warnings
Warnings: Consult a physician if pregnant or nursing, taking medications or have a pre-existing medical condition.
Keep away from children.

Source: label statements in DSLD label 228505.

What else is on the label?

Other ingredients: Gelatine Caps, Rice Flour, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): ASI Food Safety FDA Registered Facility GMP Good Manufacturing Practice Consistent Quality Made in U.S.A.

How many labels does NitroCaps have?

One label is on file, entered on June 24, 2020.

  1. Label 228505 (current) Entered June 24, 2020 · on the market · 180 capsules · UPC 6 47732 62523 3

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

Who makes it?

The label names 8WeeksOut (distributor), San Antonio, TX. All 8WeeksOut products.

Where next?