Natural health: Remedies to help improve concentration without affecting sleep

Megan Sheppard  recommends yerba mate to improve concentration and has advice on recovering from a cracked rib

The key ingredient in yerba mate is a xanthine alkaloid called mateine, which acts to stimulate the brain — much like caffeine, but without impacting the nervous system or interfering with sleep. Picture: iStock 

Q1. I'm working from home and finding it difficult to concentrate, particularly during the afternoons. Is there a natural remedy I could take?