2.4. Supplementation of Astaxanthin and Placebo
Eligible participants in the SG and TSG received 20 mg/day of astaxanthin capsule (Marine Product Tech. Inc., Seongnam, Republic of Korea) or matching placebo capsule (20 mg/day of raw corn starch) once daily with breakfast for 12 weeks. Participants were considered adherent when ≥80% of their prescribed supplements were consumed.