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The mechanistic plausibility is strong (NNMT inhibition increases NAD+ without the gastrointestinal side effects of high-dose nicotinamide), and the short-term tolerability profile is excellent, but we mean this sincerely: if you're using this compound for durations beyond what the published trials covered, you are operating in uncharted territory

You may have no symptoms despite having a low level of vitamin B12 in your body

Cypionate has a slightly slower release and longer active life, meaning it can be dosed every two weeks

[6:08 PM]source: What Is BPC 157 and Where Does It Come From

Much of the Epitalon research comes from a single group in Russia