Comparison

L-Proline L-Lysine 275 mg / 275 mg and Proline & Lysine

L-Proline L-Lysine 275 mg / 275 mg (Source Naturals) lists 8 distinct ingredients and Proline & Lysine (Source Naturals) 9 (rows of one ingredient counted once); 8 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 0.90.

Amount per serving (and % of the Daily Value)
IngredientL-Proline L-Lysine 275 mg / 275 mgProline & Lysine
Carbohydrate2 g2 g
Vitamin C1,147 mg (1274%)1,000 mg (1111%)
Calcium66 mg (5%)66 mg (5%)
Magnesium46 mg (11%)46 mg (11%)
Grape100 mg100 mg
Lysine1,100 mg1,100 mg
Hawthorn100 mg100 mg
Proline1,100 mg1,100 mg
Fiber1 g

Amounts are per serving as DSLD gives them: L-Proline L-Lysine 275 mg / 275 mg, 4 tablets; Proline & Lysine, 4 tablets. Current labels entered August 2023 and November 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own