Subjective effects of glycine ingestion before bedtime on sleep quality
Notes for this study:
| Effect | Increase |
| Trial Design | Double blind |
| Trial Length | 1-7 Days |
| Number of Subjects | 15 |
| Sex | Female |
| Age Range | 18-29, 30-44 |
| Body Types | Average |
Supplementation of 3g glycine for 4 days in a pilot study (double blind crossover) in women without sleep disturbances found that glycine was associated with greater self-reported sleep quality as assessed by the PSQI and the SAM fatigue checklist.
