Comparison
L-Arginine Extra Strength and Boost NXT
L-Arginine Extra Strength (Havasu Nutrition) lists 4 distinct ingredients and Boost NXT (KaraMD) 3 (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 0.78.
| Ingredient | L-Arginine Extra Strength | Boost NXT |
|---|---|---|
| Arginine | 400 mg | 350 mg |
| Citrulline | 0.4 g | 0.4 g |
| Arginine Alpha Ketoglutarate | 0.4 g | 0.05 g |
| Beet | 100 mg |
Amounts are per serving as DSLD gives them: L-Arginine Extra Strength, 2 capsules; Boost NXT, 2 veggie capsules. Current labels entered March 2025 and February 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- L-Arginine Extra StrengthHavasu Nutrition: every row against all products listing it
- Boost NXTKaraMD: every row against all products listing it