A small molecule inhibitor of an enzyme called NNMT improved aged mice's muscle quality and function. In the future, the drug might help the elders feel fitter and stronger.

Scientists from Brazil studying aging conducted a review of scientific literature on whey protein consumption in elderly individuals, indicating whey protein improves muscle function.

Scientists from the University of Missouri report disruptions of the NAD+ biosynthesis pathway in mice facilitating malformed mitochondria and cell structure in muscle. Furthermore, nicotinamide mononucleotide (NMN) administration at least partially restores these cellular defects.

A study reported functional training and traditional training exercise routines improved strength and agility in aging women when compared to stretching alone.