Comparison
King Nitric Oxide and N.o. Xt
King Nitric Oxide (Top Shelf) lists 7 distinct ingredients and N.o. Xt (Jacked Factory) 5 (rows of one ingredient counted once); 3 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.40.
| Ingredient | King Nitric Oxide | N.o. Xt |
|---|---|---|
| Citrulline | 1 g | 0.5 g |
| Glutathione | 100 mg | 66.7 mg |
| Arginine silicate inositol | 0.75 g | 0.167 g |
| Vitamin C | 200 mg (222%) | |
| Vitamin D | 125 mcg (625%) | |
| Vitamin K | 100 mcg (83%) | |
| Black Pepper | 1.7 mg | |
| Arginine | 66.7 mg | |
| Cistanche tubulosa | 500 mg |
Amounts are per serving as DSLD gives them: King Nitric Oxide, 4 capsules; N.o. Xt, 3 capsules. Current labels entered January 2025 and October 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- King Nitric OxideTop Shelf: every row against all products listing it
- N.o. XtJacked Factory: every row against all products listing it