astaxanthin
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Introduction
Carotenoid made by plankton & algae. It is the pink pigment of salmon, lobster, crab, shrimp & flamingos.
Indications
(putative* uses)
* purely speculative; no evidence of any benefits
Mechanism of action
- antioxidant (may be more potent than vitamin E or other carotenoids)
Comparative biology
- astaxanthin fed to aged mice for 1 month improves performance on several hippocampal-dependent cognitive tasks & increases long-term potentiation
- no alteration in neurogenesis
- no change in microglial-associated IBA1 immunostaining
More general terms
References
- ↑ Prescriber's Letter 9(7):41 2002
- ↑ Grimmig B, Kim SH, Nash K, Bickford PC, Shytle RD Neuroprotective mechanisms of astaxanthin: a potential therapeutic role in preserving cognitive function in age and neurodegeneration. GeroScience. February 2017, Volume 39, Issue 1, pp 19-32 http://link.springer.com/article/10.1007/s11357-017-9958-x
- ↑ Grimmig B, Hudson C, Moss L et al Astaxanthin supplementation modulates cognitive function and synaptic plasticity in young and aged mice. GeroScience (2019) 41: 77 https://link.springer.com/article/10.1007/s11357-019-00051-9