Platinum Phosphatidylserine is a powerful phosphatidylserine supplement that delivers a daily clinically studied 600mg dose of phosphatidylserine. Researchers believe phosphatidylserine could increase the rate of glucose transported into muscle cells and, therefore, enhance recovery of muscle glycogen following strenuous exercise. WhatÕs more, Platinum Phosphatidylserine is completely free of stimulants, and is an excellent addition to your musclebuilding stack.