Table 2.
Existing clinical studies of astaxanthin in antidepressant or sleep improvement.
Study design | Sample | AST dosage | Diagnosis criteria | Outcome | Reference |
---|---|---|---|---|---|
Randomised, double-blind, placebo-controlled, parallel-group comparisons. | There were 25 participants in the astaxanthin group. There were 29 participants in the placebo group. | 12 mg/d. | Profile of Mood States 2nd Edition (POMS2).Oguri–Shirakawa–Azumi Sleep Inventory (OSA-MA). | Participants with a score >65 (depression) had significantly improved sleep | [64] |