Andrew Huberman· PhD
Yeah, well, actually the carotinoids themselves, so like lutein, zeaxathin, they're really good at sequestering singlet oxygen, which is damaging, right?
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
Yeah, well, actually the carotinoids themselves, so like lutein, zeaxathin, they're really good at sequestering singlet oxygen, which is damaging, right?
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Well, the reason they're orange is they have all these conjugated double bonds. And if you have light in the dye, the energy of that light gets transmitted to oxygen, and you can make something called the singlet oxygen, which is a very energetic form of oxygen that can oxidize things much better than just plain oxygen. So that's nasty in the cell because it starts destroying all your structure. And what plants use, and they're out in the light all the time, in strong light, what they do is they have these carotenoids which dissipate that extra energy of singlet oxygen as heat in this double bond chain, and detoxify it.