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