Astaxanthin

Description

Astaxanthin is a potent keto-carotenoid belonging to a larger class of phytochemicals called terpenes. It is the pigment that gives salmon, shrimp, and other seafood their characteristic pink-red hue, and it is primarily sourced from the microalga Haematococcus pluvialis. Unlike some other antioxidants, astaxanthin possesses a unique molecular structure that allows it to span the entire cell membrane, providing comprehensive protection against free radical damage. Its strong antioxidant capacity is significantly higher than many other well-known antioxidants, including vitamin E and beta-carotene. This allows astaxanthin to effectively neutralize various types of free radicals and singlet oxygen without becoming pro-oxidant itself. Beyond its antioxidant roles, it also exhibits potent anti-inflammatory effects by modulating various signaling pathways involved in the inflammatory response. Supplementation with astaxanthin is commonly used to support eye health, improve skin elasticity and reduce UV damage, enhance athletic performance and recovery, and promote cardiovascular health. Its multifaceted actions make it a valuable ingredient for overall wellness, contributing to cellular protection and reduced oxidative stress.

Sources
Haematococcus pluvialis microalgaeSalmonTroutKrillShrimpCrabLobster
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Optimal Dosage
Minimum4 mg
Maximum12 mg
Safety & Toxicity
Upper Limit (UL)40 mg
Toxicity Threshold80 mg
Toxicity EffectSkin discoloration, stomach pain
Goals
Anti-Aging
Anti-Aging
Impact
High effect
Typical dose:4–12 mg
Astaxanthin's unique molecular structure allows it to span the entire cell membrane, providing comprehensive protection against free radical damage. It can cross the blood-brain and blood-retinal barriers, offering targeted antioxidant support to these critical tissues.
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Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
Typical dose:4–12 mg
Astaxanthin is a unique antioxidant that can span the entire cell membrane, offering superior protection against oxidative damage. By reducing oxidative stress, it helps lower key inflammatory markers like C-reactive protein (CRP) and is particularly beneficial for skin, eye, and joint health.
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Cardiovascular Support
Cardiovascular Support
Impact
High effect
Typical dose:4–12 mg
Astaxanthin is a carotenoid with a unique molecular structure that allows it to span cell membranes, providing superior antioxidant protection. It has been shown in clinical studies to reduce oxidative stress, improve blood rheology (flow), and lower lipid peroxidation, making it a highly effective cardiovascular protector.
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Cognitive Support
Cognitive Support
Impact
High effect
Typical dose:4–12 mg
Astaxanthin is a unique carotenoid with exceptionally potent antioxidant activity. Its ability to cross the blood-brain barrier allows it to directly protect brain cells from free radical damage and inflammation, which are key factors in age-related cognitive decline.
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Heart Health
Heart Health
Impact
High effect
Typical dose:4–12 mg
As a potent lipid-soluble antioxidant, astaxanthin integrates into cell membranes, offering superior protection against peroxidation. It has been shown to reduce markers of inflammation and oxidation, lower triglycerides, and improve circulation by enhancing the flexibility of red blood cells.
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Interactions

Positive Interactions

Vitamin E
Astaxanthin can regenerate oxidized Vitamin E, enhancing its antioxidant activity and allowing it to continue protecting cell membranes.
Vitamin C
As a strong antioxidant, Astaxanthin works synergistically with Vitamin C to provide broader protection against oxidative stress.
Lycopene
Both are powerful carotenoid antioxidants, and they may offer synergistic protective effects against oxidative damage when taken together.
Coenzyme Q-10
Both are lipid-soluble antioxidants that protect mitochondria and cell membranes, potentially enhancing cellular energy and antioxidant defense.
Omega-3
Astaxanthin can protect delicate Omega-3 fatty acids (like EPA and DHA) from oxidation, preserving their stability and beneficial properties.
EPA (Eicosapentaenoic Acid)
Astaxanthin can protect EPA from oxidation, thus maintaining the integrity and efficacy of this essential fatty acid.
DHA
Astaxanthin helps protect DHA from oxidation, preserving its structure and function, especially important for brain and eye health.
carotenoids
As a potent carotenoid itself, Astaxanthin can work synergistically with other carotenoids to enhance overall antioxidant protection.

Negative Interactions

Vitamin A
High doses of Astaxanthin may theoretically interfere with the absorption of other carotenoids, including those that convert to Vitamin A, though evidence for significant clinical impact is limited.
Product stats
Price per product
Average$31.44
Median$26.72
Price per serving
Average$0.78
Median$0.66
Price distribution
Price per serving distribution
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Paired ingredients