N.O. (Nitric Oxide) Formula
by GNC Ultra Mega Green · capsule · 30 packs
- Off the market since February 2021 (NIH)
- DSLD label 33459
- Serving 2 brown filled capsules
N.O. (Nitric Oxide) Formula by GNC Ultra Mega Green lists 13 ingredients, 10 with an amount per serving of 2 brown filled capsules, such as 175 mg of kola nut, 150 mg of oat straw, 100 mg of GABA and 100 mg of nettle leaf extract; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on May 23, 2014.
What is in N.O. (Nitric Oxide) Formula?
Each row as the label prints it, per serving of 2 brown filled 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 |
|---|---|---|---|
| Proprietary Blend | 200 mg | ||
| L-Arginine | in the blend, no amount given | ||
| Epimedium extract | in the blend, no amount given | ||
| Maca powder | in the blend, no amount given | ||
| Kola Nut | 175 mg | 44% of 39 products listing cola give more (median 175 mg). | |
| Oat Straw | 150 mg | 52% of 304 products listing oats give more (median 187.5 mg). | |
| GABA | 100 mg | 48% of 744 products listing GABA give more (median 100 mg). | |
| Nettle Leaf Extract | 100 mg | 51% of 710 products listing stinging nettle give more (median 120 mg). | |
| Yohimbe bark extract | 60 mg | Higher than 66% of 313 products listing yohimbe (median 31.3 mg). | |
| Horny Goat Weed | 20 mg | 94% of 311 products listing epimedium give more (median 200 mg). | |
| Catuaba | 10 mg | 95% of 300 products listing Cat's claw give more (median 200 mg). | |
| Muira | 10 mg | 91% of 193 products listing muira puama give more (median 50 mg). | |
| Damiana | 10 mg | 91% of 198 products listing damiana give more (median 100 mg). | |
| Saw Palmetto | 10 mg | 97% of 1,109 products listing saw palmetto give more (median 200 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 33459 (entered May 23, 2014), 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:
- 94% of the 311 products that print an amount of epimedium list more than its 20 mg of horny goat weed (filed by NIH under epimedium) (median 200 mg).
- 95% of the 300 products that print an amount of Cat's claw list more than its 10 mg of catuaba (filed by NIH under Cat's claw) (median 200 mg).
- 91% of the 193 products that print an amount of muira puama list more than its 10 mg of muira puama (median 50 mg).
- 91% of the 198 products that print an amount of damiana list more than its 10 mg of damiana (median 100 mg).
- 97% of the 1,109 products that print an amount of saw palmetto list more than its 10 mg of saw palmetto (median 200 mg).
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. (Nitric Oxide) Formula's, rare ingredients counting for more.
- Sexual HealthGNC Men's 11 shared, 91% alike
- Men's Sexual HealthGNC Men's 11 shared, 91% alike
- StaminolGNC Ultra Mega Green · off the market 10 shared, 86% alike
- Circulatory Pump EnhancerMarked · off the market 10 shared, 86% alike
- N.O. PushGNC Beyond Raw 11 shared, 82% alike
- StaminolGNC Mega Men 9 shared, 65% 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: As a dietary supplement, take contents of one pack daily with food.
- To ensure a complete nutrition program, take daily with these GNC products: - Ultra Probiotic Complex 25 - SuperFoods Whole Foods Blend - GNC Protein - TriFlex(TM)
- Warnings
- WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
- Discontinue use two weeks prior to surgery.
- KEEP OUT OF REACH OF CHILDREN.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 33459.
What else is on the label?
Other ingredients: Gelatin, Dicalcium Phosphate.
How many labels does N.O. (Nitric Oxide) Formula have?
One label is on file, entered on May 23, 2014.
- Label 33459 (current) Entered May 23, 2014 · off the market February 11, 2021 · 30 packs
DSLD also links this label to: Ultra Mega Green Men's Sport (bundle set), Energy Formula (bundle set), Milk Thistle (bundle set).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names General Nutrition Corporation (distributor), Pittsburgh, PA. All GNC Ultra Mega Green products.