What is the recommended dosage for Astaxanthin?

General: 4-12 mg/day; Skin Health: 4-6 mg/day

What are the side effects of Astaxanthin?

Potential side effects include: Generally well-tolerated, Mild orange skin discoloration at very high doses (harmless), Rare gastrointestinal discomfort.

What is astaxanthin and how may it support skin health?

Astaxanthin is a carotenoid pigment with potent antioxidant properties, reported to be significantly stronger than vitamin E. Clinical studies show oral astaxanthin may reduce UV-induced skin damage, improve skin elasticity, reduce wrinkle depth, and decrease age spots. It works by quenching singlet oxygen and neutralizing free radicals in skin.

What dosage of astaxanthin has been studied for skin benefits?

Clinical trials have used 4–12 mg of astaxanthin per day for skin outcomes. Improvements in skin elasticity, moisture, and wrinkle reduction were observed at 6 mg daily after 6–8 weeks. The most studied form is derived from Haematococcus pluvialis microalgae. It is fat-soluble and should be taken with meals.

What are the potential side effects of astaxanthin?

Astaxanthin is generally well tolerated. At very high doses, it may cause a slight reddish skin pigmentation. Mild digestive discomfort has been reported. As a carotenoid, it may affect blood sugar and blood pressure. There are no known significant drug interactions, but long-term safety studies beyond 12 weeks are limited.

Astaxanthin

antioxidant

Also known as: Natural Astaxanthin, Haematococcus pluvialis Extract, AstaReal

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About

Astaxanthin is a carotenoid antioxidant that spans the full width of cell membranes, providing both internal and external free radical scavenging. It is 6,000x more potent than vitamin C in singlet oxygen quenching. A 2020 meta-analysis of 11 RCTs found oral astaxanthin (3-6 mg/day) significantly improved skin moisture, elasticity, and reduced wrinkle depth.

How It Works

Carotenoid antioxidant that spans the full width of cell membranes, providing both internal and external free radical scavenging; 6,000x more potent than vitamin C in singlet oxygen quenching; reduces UV-induced MMP-1 expression and NF-kB activation; supports dermal collagen preservation.

Evidence For Conditions

Condition	Grade	Studies	Participants
Aging Skin & Wrinkles	B	11	650	View →
UV Protection (Internal Photoprotection)	B	7	350	View →

Side Effects

Generally well-tolerated
Mild orange skin discoloration at very high doses (harmless)
Rare gastrointestinal discomfort

Drug & Supplement Interactions

Antihypertensive medications (may have additive blood pressure lowering)
Immunosuppressants (may modulate immune function)
5-alpha-reductase inhibitors (theoretical interaction)

Always inform your healthcare provider about all supplements you take.

Related Ingredients

Alpha-Lipoic Acid CoQ10 Glutathione Resveratrol

Quick Facts

Dosage: General: 4-12 mg/day; Skin_Health: 4-6 mg/day
Forms: softgel capsule liquid
Natural Sources: Microalgae (Haematococcus pluvialis), Wild salmon, Shrimp, Krill, Lobster
Upper Limit: Generally recognized as safe up to 24 mg/day
Best Time: With meals containing fat for better absorption

Evidence Summary

Aging Skin & Wrinkles B

UV Protection (Internal Photoprotection) B

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.