Comparison
Somnolin and Day
Somnolin (Metagenics) lists 5 distinct ingredients and Day (Natrol) 5 (rows of one ingredient counted once); 5 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 | Somnolin | Day |
|---|---|---|
| Vitamin B6 | 40 mg (2353%) | 10 mg (588%) |
| Vitamin B12 | 500 mcg (20833%) | 50 mcg (2083%) |
| Folate | 400 mcg | 333 mcg DFE (83%) |
| Theanine | 200 mg | 50 mg |
| 5-HTP | 200 mg | 50 mg |
Amounts are per serving as DSLD gives them: Somnolin, 2 tablets; Day, 1 tablet. Current labels entered November 2013 and November 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.