General Dosage
4-12 mg daily with a fat-containing meal
Maximum dose: Up to 24 mg/day has been used safely in short-term studies; 12 mg/day is well-established
Astaxanthin Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 4-12 mg daily with a fat-containing meal
Timing: Take with meals containing fat for optimal absorption • Take with food for best absorption.
Dosage by Condition
General skin protection
4 mg dailyModerate
Wrinkle and elasticity improvement
6-12 mg daily for 12-16 weeksModerate
UV photoprotection
4 mg daily for 9+ weeksModerate
Age spot reduction
4-6 mg daily for 8-10 weeksEmerging
| Condition | Recommended Dose | Evidence |
|---|---|---|
| General skin protection | 4 mg daily | Moderate |
| Wrinkle and elasticity improvement | 6-12 mg daily for 12-16 weeks | Moderate |
| UV photoprotection | 4 mg daily for 9+ weeks | Moderate |
| Age spot reduction | 4-6 mg daily for 8-10 weeks | Emerging |
Upper limit: Up to 24 mg/day has been used safely in short-term studies; 12 mg/day is well-established
Timing & Absorption
Take with meals containing fat for optimal absorption
Best taken with food for optimal absorption.
References
- Tominaga K, Hongo N, Karato M, Yamashita E. (2012). Cosmetic benefits of astaxanthin on humans subjects. Acta Biochimica Polonica. DOI PubMed
- Ito N, Seki S, Ueda F. (2018). The protective role of astaxanthin for UV-induced skin deterioration in healthy people. Nutrients. DOI PubMed
- Yoon HS, Cho HH, Cho S, et al. (2014). Supplementating with dietary astaxanthin combined with collagen hydrolysate improves facial elasticity and decreases matrix metalloproteinase-1 and -12 expression. Journal of Medicinal Food. DOI PubMed
- Yamashita E. (2006). The effects of a dietary supplement containing astaxanthin on skin condition. Carotenoid Science.