Comparison

Day Starter and L-Theanine 100 mg Suntheanine

Day Starter (Source Naturals) lists 3 distinct ingredients and L-Theanine 100 mg Suntheanine (NOW) 2 (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 0.80.

Amount per serving (and % of the Daily Value)
IngredientDay StarterL-Theanine 100 mg Suntheanine
Green Tea200 mg250 mg
Theanine200 mg100 mg
Calcium21 mg (2%)

Amounts are per serving as DSLD gives them: Day Starter, 1 tablet; L-Theanine 100 mg Suntheanine, 1 veg capsule. Current labels entered August 2017 and August 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own