ResTor-T contains the herbal supplement Tongkat Ali (Eurycoma longifolia), which has been used for centuries in SE Asia as a traditional medicine for male sexual health and is reported in clinical studies to help improve testosterone levels and decrease cortisol release related to chronic or excessive stress in both men and women. Also included is tribulus (Tribulus terrestris), an Ayurvedic herb used historically for male reproductive health. ResTor-T also contains the nutrients zinc and phosphatidylserine. Zinc is reported to help improve testosterone levels along with inhibiting 5 alpha-reductase and aromatase. Phosphatidylserine is a phospholipid found in the membranes of cells that is reported to help with testosterone production and stress-related cortisol release.