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10.1378/chest.82.5.526 133 MitchisonJ

10.1093/oxfordjournals.bmb.a072641 92 RantforsJ.CassutoJ

Because the peptide was still shown to be effective 14 days post-injury, the researchers suggested that there is increased activity of wound healing mechanisms to increase mechanical strength, as well as an increase in potentiated activity that could lead to beneficial results

They also improve the ratio of active to oxidized glutathione

Rather than being NAD+ itself, Niagen is a precursor , meaning its a building block the body uses to produce NAD+

Glutathione is a naturally-occurring tripeptide that is produced in the human body