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High-dose B12 supplements, even 1,000 mcg daily, are generally safe because the body uses what it needs and excretes the rest
Badgley MA, Kremer DM, Maurer HC, DelGiorno KE, Lee HJ, Purohit V, Sagalovskiy IR, Ma A et al (2020) Cysteine depletion induces pancreatic tumor ferroptosis in mice
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Tryptophan hydroxylase is normally not saturated and as a result, an increase in dietary uptake of tryptophan will lead to increased brain serotonin content
Sun Exposure Chronic UV exposure is a leading contributor to pigmentation concerns
Poon HF, Hensley K, Thongboonkerd V, Merchant ML, Lynn BC, Pierce WM, et al
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