For most people, a safe synthetic dose is about 2.0 milligrams (mg) each day. But companies also make natural astaxanthin. This form is extracted from algae. You can take about 2 to 8 milligrams ...

Additionally, the European Food Safety Authority has proposed that an acceptable daily intake of up to 8 mg per day from food supplements, in addition to astaxanthin consumed in the diet ...

The study participants (children) received a daily dose of 4 mg of astaxanthin (AstaReal) for 84 days. The findings indicate a significant improvement in the CVS symptoms compared with placebo ...