I’m inching up to this age category but not there yet. I do however take both these supplements to increase performance in my squash game. They also have some benefits in cycling.

Though it was worth posting some good, easy to read information that the Australian Government’s Sports Commission has about those two supplements and others for anyone curious. They’ve got some nice fact sheets for both practitioners and consumers.

https://www.ausport.gov.au/ais/nutri...ements/group_a