Comparison

L-Theanine Relax 200 mg Refreshing Mint and Suntheanine L-Theanine

L-Theanine Relax 200 mg Refreshing Mint (GNC) lists 2 distinct ingredients and Suntheanine L-Theanine (Natural Factors) 3 (rows of one ingredient counted once); 2 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 0.79.

Amount per serving (and % of the Daily Value)
IngredientL-Theanine Relax 200 mg Refreshing MintSuntheanine L-Theanine
Sugar0 g3 g
Theanine200 mg200 mg
Carbohydrate4 g

Amounts are per serving as DSLD gives them: L-Theanine Relax 200 mg Refreshing Mint, 4 tablets; Suntheanine L-Theanine, 2 tablets. Current labels entered June 2017 and November 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own