When you're deficient, the symptoms are usually gradual: fatigue, brain fog, low mood, tingling in hands or feet, unexplained weakness
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However, when very high oral doses are taken, approximately 1% can be absorbed through passive diffusion, independent of intrinsic factor, which explains how mega-doses can still raise serum levels
AOD-9604 can be combined with certain other peptides and treatments, but this should only be done under physician guidance
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