What are the side effects of Astaxanthin?

Potential side effects include: Mild orange skin discoloration at very high doses, Gastrointestinal discomfort, Generally very well tolerated.

What is astaxanthin and how does it support the immune system?

Astaxanthin is a carotenoid pigment found in microalgae and seafood. It is a potent antioxidant that has been studied for its potential to enhance natural killer cell activity and reduce oxidative stress-related immune suppression.

What dosage of astaxanthin has been used in immune studies?

Clinical trials have used astaxanthin doses of 2–12 mg per day, with 4–8 mg being the most common range for immune-related outcomes. Study durations typically range from 4 to 8 weeks.

What are the potential side effects of astaxanthin?

Astaxanthin is generally well tolerated at typical supplemental doses. Some individuals may experience mild gastrointestinal effects or skin pigmentation changes at higher doses. It may interact with blood pressure or blood sugar medications.

Astaxanthin

antioxidant

Also known as: Natural Astaxanthin, Haematococcus pluvialis extract

𝕏 LinkedIn

<\/script>\n

`; }, get iframeSnippet() { const domain = 'immunecited.com'; const params = 'ingredient\u003Dastaxanthin'; return ``; }, get activeSnippet() { return this.method === 'script' ? this.scriptSnippet : this.iframeSnippet; }, copySnippet() { navigator.clipboard.writeText(this.activeSnippet).then(() => { this.copied = true; setTimeout(() => { this.copied = false; }, 2000); }); } }" @keydown.escape.window="open = false" @click.outside="open = false">

Embed This Widget

Style

Widget powered by . Free, no account required.

About

Astaxanthin is a xanthophyll carotenoid with antioxidant potency reported as 6,000x greater than vitamin C. It protects immune cell membranes from lipid peroxidation, enhances immunoglobulin production and T-cell function without overstimulating inflammatory responses.

How It Works

Xanthophyll carotenoid that protects immune cell membranes from lipid peroxidation; enhances immunoglobulin production (IgM, IgG) and T-cell function without overstimulating inflammatory responses.

Evidence For Conditions

Condition	Grade	Studies	Participants
Oxidative Stress	C	3	100	View →

Side Effects

Mild orange skin discoloration at very high doses
Gastrointestinal discomfort
Generally very well tolerated

Drug & Supplement Interactions

Anticoagulants (theoretical interaction due to antioxidant effects)
Blood pressure medications (may have additive effects)
5-alpha-reductase inhibitors (theoretical hormonal interaction)

Always inform your healthcare provider about all supplements you take.

Related Ingredients

Curcumin Glutathione Quercetin Resveratrol

Quick Facts

Dosage: General: 4-12 mg/day
Forms: softgel capsule
Natural Sources: Microalgae (Haematococcus pluvialis), Salmon, Shrimp, Krill, Lobster
Upper Limit: No established UL; well-tolerated up to 40 mg/day
Best Time: With meals containing fat

Evidence Summary

Oxidative Stress C

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.