Do NMN and NR reach systemic circulation? – RENUE BY SCIENCE – Bioavailable NAD+ Boosters
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Do NMN and NR reach systemic circulation?

Since the Rabinowitz study in 2018, we have known that both Nicotinamide Riboside (NR) and Nicotinamide Mononucleotide (NMN) are mostly digested in the GI tract and liver, before reaching systemic circulation.

The main difference is, if any NR reaches the bloodstream, it is unstable, and is quickly degraded to NAM.

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