Encontram-se nos brócolos, abacates, couves, etc..
As
novidades são que vão começar ensaios em humanos e que as quantidades recomendáveis provavelmente vão requerer suplementação:
http://time.com/4547919/this-compound-in-broccoli-can-slow-aging/
https://www.thesun.co.uk/news/2072621/broccoli-cucumber-and-avocado-may-hold-key-to-anti-ageing-claim-scientists/
https://www.yahoo.com/style/totally-normal-dinner-food-might-231002455.html
Citando:
"The mice who were treated with NMN gained less weight, converted food into energy more quickly, and had better blood sugar levels than the animals who were not given the compound.
The reduced risk of age-related diseases led researchers to speculate that consuming foods with NMN could potentially lead to longer life spans for humans. Researchers at Keio University in Tokyo have launched a study on humans by giving the participants supplements of NMN in pill form."