Zeaxanthin, best known for eye health, has been found to boost the tumor-killing power of T cells. Researchers showed it strengthens T-cell receptors, enhances immune signaling, and improves the effects of immunotherapy. Found naturally in foods like spinach and peppers, it’s safe, accessible, and now a promising candidate for cancer treatment trials
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Yes, I’m a big advocate for supplementing with lutein zeaxanthin and mesozeaxanthin. There are so many benefits beyond the eyes, notably in the brain. I started a thread about this some time ago. Here’s a benefit for the skin:
Overall skin tone and skin-lightening-improving effects with oral supplementation of lutein and zeaxanthin isomers: a double-blind, placebo-controlled clinical trial
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The question I have is, are we getting enough in a normal supplement or should we increase the dosage like is best with Astaxanthin?
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That’s always hard to say, but tissues do saturate. However, here is an interesting post and thread:
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I’m not critical of the idea of supplementing increased lutein and zeaxanthin as geroprotectives but hasn’t most of the research been in vitro or animal based? I recall a study demonstrating an inverse association with all cause mortality but there were enough confounding variables hanging around to write a book about. Are there any non-retrospective human trials underway? I think there are also issues to be explored with respect to adsorption, tissue preference (the optical system), and saturation which from optical research at least is a sigmoidal curve.
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