Genome Discovery » Natural product-based therapy for increased exercise tolerance and stamina: Piceatannol, a natural analog of resveratrol found in passion fruit (Passiflora edulis), increases the expression of bidirectional mitochondrial matrix enzyme carnitine acetyltransferase (CrAT), increases carnitine levels in muscles, and promotes exercise endurance/tolerance via down regulation of its target gene, 27/August/2015, 11.16 pm