Ph D Fitness Overview Ph D ZMA is designed to support muscle & strength gains. shown to support healthy testosterone levels & aid in efficient energy metabolism, ZMA is an all-natural & extremely popular sports nutrition aid to be used before going to sleep to maximise effects. Highlights- All natural- Formulated with Vitamin B6- Helps reduce tiredness & fatigue- Supports healthy testosterone levels- Synergistic combination of Zinc & Magnesium to help promote recovery from exercise- Suitable for men & women- Aids recovery- Can help promote healthy sleep- Can help improve strength & endurance