You are able to replace the LGD 4033 with 15mg of Ostarine as well. LGD 4033 Dosage Guide For Optimal Muscle and Strength Gains, gnc muscle building stack. Planning out your ligandrol cycle and need help deciding how much to take daily? Read this guide for LGD 4033 dosage suggestions, including dose for cutting cycle and bulking cycles. Are you looking to enhance your training and workout performance?Increases Energy Production Plus Anabolic Activity, gnc muscle building stack.