Hybrid Mass is a 5 Pro Hormone Blend with 5 laxogenin, mk677, estrogen blocker & liver aid added for maximum results. This is literally an all in one product for lean muscle mass. Must be 21 or older to purchase and run proper Pct. THESE PRODUCTS ARE CONSIDERED A SPORTS SUPPLEMENT. WITH ANY PRODUCT, CONSULT A HEALTH CARE PROFESSIONAL BEFORE STARTING ANY EXERCISE OR SUPPLEMENT PROGRAM. BY PURCHASING GLOBAL SUPREMACY PRODUCTS FROM KING & QUEEN NUTRITION YOU ARE TESTIFYING THAT YOU ARE 21 YEARS OF AGE OR OLDER.