Natural Astaxanthin (from Haematococcus pluvialis)
Antioxidants & skinFunction & benefits
A natural red carotenoid made by Haematococcus microalgae; its molecular structure lets it span the whole cell membrane and trap free radicals without becoming a pro-oxidant, helping support skin moisture and elasticity, protection from oxidative stress and muscle recovery.
Dosage & how to use
| Recommended dose | 4–8 mg daily (EU authorised maximum 8 mg) |
| Best time to take | With a meal that contains healthy fats |
| Frequency | Once daily |
Best forms to choose
Natural astaxanthin from Haematococcus pluvialis algae (such as AstaReal®) in oil softgels; avoid synthetic astaxanthin made for fish feed.
Important warnings
Stick to the EU authorised limit of 8 mg a day at most
High doses may give stools a reddish colour, which is harmless
Not advised during pregnancy and breastfeeding because data are limited
Drug interactions
Generally safe; it may slightly strengthen blood pressure medication and blood thinners, and consult a doctor if you take 5-alpha reductase inhibitors.
Related supplements
- Daily MultivitaminsGeneral health & immunity
- Omega-3 Fish OilGeneral & heart health
- Vitamin D3 (Cholecalciferol)General health & bones
- Magnesium (Glycinate/Citrate)General health & nerves
Scientific references
- EFSA Journal 2020;18(2):5993 (safety of astaxanthin as a novel food in food supplements)
- Davinelli S et al. Nutrients 2018 (review) — PMID: 29690549
Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)
⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.