Astaxanthin

Also known as: astaxanthin

Grade C — Preliminarycarotenoidantioxidant
4–12 mgWith fat-containing meal

Extremely potent antioxidant carotenoid. Promising for skin health and exercise recovery. Still building human evidence.

✨Skin & Hair🧬Longevity⚡Energy
Last reviewed: 2026-03-11

Evidence

Grade C

Studies

1

Interactions

1

Forms

1

Evidence Rating: Grade C — Preliminary

Limited human trials, mostly animal or in-vitro data. Promising but not yet proven in robust human studies.

Interaction Warnings

5-alpha reductase inhibitorsLow

May have additive effects

⚠️ Important Notes

  • One of the most powerful natural antioxidants
  • Sourced from microalgae Haematococcus pluvialis

Clinical Evidence (1 study)

Cosmetic benefits of astaxanthin on human subjects

Tominaga K et al. (2012) — Acta Biochim Pol

Improved skin wrinkles, elasticity, and moisture after 6 weeks

View on PubMed

Alternatives to Consider

These supplements target similar goals and may be worth considering alongside or instead of Astaxanthin.

CoQ10 (Ubiquinol)

Grade A

Critical for mitochondrial energy production. Q-SYMBIO trial showed 43% cardiovascular mortality reduction in heart failure. Depleted by statins.

⚡ Energy🧬 Longevity

Vitamin C

Grade A

Essential antioxidant vitamin. Supports immune function, collagen synthesis, and antioxidant defense. 50% infection reduction in athletes.

✨ Skin & Hair🧬 Longevity

Selenium

Grade B

Essential trace mineral for thyroid function (T4→T3 conversion) and antioxidant defense. Reduces Hashimoto's antibodies.

🧬 Longevity✨ Skin & Hair

Related Supplements

CoQ10 (Ubiquinol)

Grade A — Strong Evidence

Critical for mitochondrial energy production. Q-SYMBIO trial showed 43% cardiovascular mortality reduction in heart failure. Depleted by statins.

Vitamin C

Grade A — Strong Evidence

Essential antioxidant vitamin. Supports immune function, collagen synthesis, and antioxidant defense. 50% infection reduction in athletes.

Selenium

Grade B — Moderate Evidence

Essential trace mineral for thyroid function (T4→T3 conversion) and antioxidant defense. Reduces Hashimoto's antibodies.

PQQ (Pyrroloquinoline Quinone)

Grade C — Preliminary

Stimulates mitochondrial biogenesis (creation of new mitochondria). Best paired with CoQ10. Still early research.

🧪 Get Your Personalized Stack

See how Astaxanthin fits with your goals and current supplements — AI-powered, evidence-graded recommendations.

⚕️ Important Disclaimer

This information is for educational purposes only. It is not medical advice. Always consult a healthcare provider before starting any supplement regimen, especially if you take medications or have health conditions.

DoseGrade does not sell supplements and has no affiliate relationships with supplement manufacturers.