Intestinal aging is aggravated by oxidative stress and mitochondrial dysfunction; the antioxidants resveratrol and pterostilbene may be important compounds for combatting these dysfunctions. 

Containing nicotinamide riboside, L-carnitine, N-acetyl cysteine, and betaine, this supplement proved effective in supporting liver health and preventing a progression of deteriorating liver function.

Dietary curcumin improves working memory performance and prevents the age-associated increase in excessive firing rates of neurons in middle-aged monkeys.

Just 4 weeks of eating a processed-foods diet drastically impairs cognition and increases inflammation in rats — and the omega-3 fat DHA ameliorates almost all of the negative effects of this unhealthy diet.