Comparison
L-Arginine and Pure L-Arginine L-Pyroglutamate Powder
L-Arginine (Purus Labs) lists 1 distinct ingredients and Pure L-Arginine L-Pyroglutamate Powder (Hard Rhino) 1 (rows of one ingredient counted once); 1 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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | L-Arginine | Pure L-Arginine L-Pyroglutamate Powder |
|---|---|---|
| Arginine | 2,000 mg | 2,000 mg |
Amounts are per serving as DSLD gives them: L-Arginine, 4 veggie capsules; Pure L-Arginine L-Pyroglutamate Powder, 2 mg. Current labels entered March 2025 and June 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- L-ArgininePurus Labs: every row against all products listing it
- Pure L-Arginine L-Pyroglutamate PowderHard Rhino: every row against all products listing it