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The safety protocols around sterile technique exist because infections from contaminated injections are a real risk, not a theoretical one
Acute nicotinamide riboside supplementation increases research subjects cerebral [PMID: 39044608] Laboratory literature summary: Acute nicotinamide riboside supplementation increases research subjects cerebral NAD(+) levels in vivo
It is currently under regulatory review and is not yet approved for use
For example, one study found that taking 1,0002,000 micrograms orally in properly timed doses helped improve levels as much as injections
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