Core Series Supports Healthy Testosterone Levels+ Dietary Supplement Official MHP Product Manufactured in a GMP Compliant Facility Driven by MHP Science Reach Your Maximum Human Performance Reach your MHP with our new Core Series. Trust MHP for the essential ingredients and formulas you need to reach your maximum human performance. ZMA is a patented combination of Zinc, Vitamin B6 and Magnesium shown to support strength, lean muscle mass, sleep and healthy testosterone levels.+ +Increases testosterone within the normal range