Nitric Oxide Flow
by NPB Natures Pure Blend · capsule · 60 veggie capsules
- On the market (NIH)
- DSLD label 335682
- Serving 2 capsules
- 30 servings
Nitric Oxide Flow by NPB Natures Pure Blend lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 500 mg of L-arginine alpha ketoglutarate, 500 mg of L-arginine hydrochloride, 250 mg of L-citrulline and 250 mg of L-citrulline malate. Its current label entered the NIH Dietary Supplement Label Database on May 21, 2025.
What is in Nitric Oxide Flow?
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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| L-Arginine Alpha Ketoglutarate | 500 mg | 77% of 322 products listing arginine alpha ketoglutarate give more (median 1 g). | |
| L-Arginine Hydrochloride | 500 mg | 47% of 1,455 products listing arginine give more (median 500 mg). | |
| L-Citrulline | 250 mg | 86% of 1,209 products listing citrulline give more (median 3 g). | |
| L-Citrulline Malate1:1 | 250 mg |
Source: NIH ODS Dietary Supplement Label Database, label 335682 (entered May 21, 2025), 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?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
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 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?
1 product lists the very same ingredients; the nearest amounts come first.
- Boost NXTKaraMD same ingredients
- Pre-Workout N.O. Fury Elite SeriesSix Star Pro Nutrition 3 shared, 87% alike
- Elite N.O.Invictus Labs · off the market 3 shared, 85% alike
- BioMuscle XRBioMuscle XR · off the market 3 shared, 85% alike
- HemodrauliXAxis Labs 3 shared, 80% alike
- L-Arginine Extra StrengthHavasu Nutrition 3 shared, 78% alike
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 else is on the label?
Other ingredients: Methylcellulose.
How many labels does Nitric Oxide Flow have?
One label is on file, entered on May 21, 2025.
- Label 335682 (current) Entered May 21, 2025 · on the market · 60 veggie capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NPB Natures Pure Blend (manufacturer). All NPB Natures Pure Blend products.