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Protein takes longer to digest than simple carbohydrates, but it does not trigger the same level of GI distress as fats
Greenfield's new book is Boundless: Upgrade Your Brain, Optimize Your Body, and Defy Aging
Hormonal markers (especially for women): estradiol, progesterone, total and free testosterone, SHBG, DHEA-S, tracked against cycle phase where applicable
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