Niki, E., Tsuchiya, J., Tanimura, R
If taken long-term, would the brain stop producing it naturally?" So for people, for reference, that aren't familiar, the clinical study that I referred to on Kevin's podcast the "Kevin Rose Show" was in 2018, published in 2018, and they found that about 17.7 milligrams sulforaphane per day for one week increased blood glutathione levels, and this correlated with increased glutathione in certain brain regions
Qu F, Brough SC, Michno W, Madubata CJ, Hartmann GG, Puno A, et al
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