Comparison

Suntheanine L-Theanine 125 mg and L-Theanine

Suntheanine L-Theanine 125 mg (Natural Factors Stress-Relax) lists 1 distinct ingredients and L-Theanine (PureBulk.com) 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.

Amount per serving (and % of the Daily Value)
Ingredient	Suntheanine L-Theanine 125 mg	L-Theanine
Theanine	250 mg	250 mg

Amounts are per serving as DSLD gives them: Suntheanine L-Theanine 125 mg, 1 vegetarian capsule; L-Theanine, 250 mg. Current labels entered July 2017 and June 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

Suntheanine L-Theanine 125 mgNatural Factors Stress-Relax: every row against all products listing it
L-TheaninePureBulk.com: every row against all products listing it