Evidence supporting the use of: Astaxanthin
For the health condition: Aging (prevention)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Astaxanthin is a naturally occurring carotenoid pigment found in microalgae, yeast, salmon, trout, krill, shrimp, and crayfish. Its use in supporting aging (prevention) is primarily justified by scientific evidence, though the level of evidence is moderate rather than strong. Several preclinical and human studies suggest astaxanthin’s potent antioxidant capacity helps combat oxidative stress, a major contributor to aging and age-related diseases. Astaxanthin is significantly more effective than other carotenoids (like beta-carotene or lutein) in scavenging free radicals and protecting cell membranes from lipid peroxidation.

Clinical trials in humans have reported that astaxanthin supplementation can improve skin elasticity, reduce the appearance of wrinkles, and decrease age spots, likely due to its ability to protect skin from UV-induced damage and inflammation. Some studies also indicate benefits in cognitive function, eye health, and cardiovascular parameters in older adults, all of which are relevant to healthy aging. However, most clinical studies are small, short-term, and sometimes industry-sponsored. Large-scale, long-term trials are lacking.

In summary, while astaxanthin’s antioxidant and anti-inflammatory properties are well-documented and there is moderate human evidence supporting its role in mitigating some signs of aging, the overall quality and quantity of clinical evidence do not yet warrant a higher rating. Continued research is needed to confirm its efficacy and establish optimal dosing for anti-aging purposes.

More about astaxanthin
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Products containing astaxanthin

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