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| Form | Bioavailability | Best For |
|---|---|---|
| Natural Astaxanthin (from H. pluvialis) | Moderate | Preferred source — esterified form as found in nature, superior antioxidant activity vs. synthetic |
| Astaxanthin in Lipid Matrix (Softgel) | High | Enhanced absorption — fat-soluble carotenoid benefits from lipid co-delivery |
| Synthetic Astaxanthin | Moderate | Lower cost option — primarily used in aquaculture, less studied in humans |
Bioavailability: Moderate. Best for: Preferred source — esterified form as found in nature, superior antioxidant activity vs. synthetic.
Bioavailability: High. Best for: Enhanced absorption — fat-soluble carotenoid benefits from lipid co-delivery.
Bioavailability: Moderate. Best for: Lower cost option — primarily used in aquaculture, less studied in humans.