Comparison
Sleep Support and Knock-Out
Sleep Support (GNC Preventive Nutrition) lists 7 distinct ingredients and Knock-Out (Schiff) 9 (rows of one ingredient counted once); 4 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 0.38.
| Ingredient | Sleep Support | Knock-Out |
|---|---|---|
| Magnesium | 105 mg (25%) | 10 mg (2%) |
| Valerian | 200 mg | 100 mg |
| GABA | 100 mg | 100 mg |
| Valerenic acid | 4 mg | 0.8 mg |
| Calcium | 200 mg (15%) | |
| Vitamin B6 | 0.5 mg (29%) | |
| Ashwagandha | 120 mg | |
| Theanine | 50 mg | |
| Glycine | 40 mg | |
| Melatonin | 3 mg | |
| 5-HTP | 50 mg | |
| Griffonia | 50.5 mg |
Amounts are per serving as DSLD gives them: Sleep Support, 2 capsules; Knock-Out, 1 tablet. Current labels entered September 2024 and October 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Sleep SupportGNC Preventive Nutrition: every row against all products listing it
- Knock-OutSchiff: every row against all products listing it