N.O. Boost
by Signature Supplements · capsule · 100 capsules
- On the market (NIH)
- DSLD label 338875
- Serving 2 capsules
- 50 servings
N.O. Boost by Signature Supplements lists 3 ingredients, 3 with an amount per serving of 2 capsules, such as 450 mg of L-citrulline, 300 mg of beet and 500 mcg of chromium. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2025.
What is in N.O. Boost?
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-Citrulline | 450 mg | 88% of 1,209 products listing citrulline give more (median 3 g). | |
| Beetas Beta vulgaris | 300 mg | Higher than 62% of 850 products listing beet (median 100 mg). | |
| Chromiumas Chromium Polynicotinate | 500 mcg | 417% | Higher than 95% of 7,825 products listing chromium (median 100 mcg). |
Source: NIH ODS Dietary Supplement Label Database, label 338875 (entered August 22, 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?
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 500 mcg of chromium is higher than 95% of the 7,825 chromium products that print an amount; 253 list more.
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 N.O. Boost's, rare ingredients counting for more.
- OptiBeetVitaMonk 2 shared, 75% alike
- Arginine CitrullineMichael's Naturopathic Programs · off the market 2 shared, 56% alike
- Arginine ComplexMichael's Naturopathic Programs · off the market 2 shared, 56% alike
- Arginine CitrullineMNP Michael's Naturopathic Programs · off the market 2 shared, 56% alike
- NitroRisePeak Herbals 2 shared, 56% alike
- Arginine CitrullineMH Michael's Health Naturopathic Programs 2 shared, 56% 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 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: For adults, take two (2) capsules daily, more if needed. Ideally before exercise or high elevation activities.
- Warnings
- Keep out of reach of children store in a dry place and avoid excessive heat.
- Allergens and what it does not contain
- No: chemical fillers or binders, artificial coloring, artificial flavor, preservatives, yeast, corn, milk or milk derivatives, lactose, salt, sodium, soy, sugar, gluten, starch or wheat.
- N.O. Boost this formula has a high level of nitric oxide designed to increase oxygenation in the blood and give you a natural energy boost without the caffeine.
Source: label statements in DSLD label 338875.
What else is on the label?
Other ingredients: Cellulose, Diatomaceous Earth.
How many labels does N.O. Boost have?
One label is on file, entered on August 22, 2025.
- Label 338875 (current) Entered August 22, 2025 · on the market · 100 capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Signature Supplements (distributor), San Clemente, CA. All Signature Supplements products.