Compound Library

Supplement / Antioxidant

Astaxanthin

Most potent natural antioxidant known. 550× more potent than Vitamin E. Carotenoid from algae. Cardiovascular, skin, eye health, and exercise recovery benefits.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose4–12 mg/day with fatty food
Half-life16 hours
Risk flaglow
Regulatory noteReview required

Side effects and watch-outs

  • Skin/stool orange-pink discolouration (from pigment — harmless)
  • Potential blood pressure lowering
  • May reduce testosterone slightly at high doses (conflicting data)
  • Generally extremely well tolerated