Sci MX ZMA Plus Hardcore is a specialised formula with Zinc, Magnesium & Vitamin B6. Zinc contributes to normal protein synthesis, normal function of the immune system, male support & normal protein synthesis while Magnesium supports electrolyte balance, normal muscle function, to normal protein synthesis, normal energy-yielding metabolism & a reduction of tiredness & fatigue. Vitamin B6 also contributes to a range of biological functions including the normal function of the immune system, reduction of tiredness & fatigue, normal psychological function & normal energy-yielding metabolism. Sci MX ZMA Plus Hardcore contains patented ZMA 2000E & L-Opti Zinc to provide you with the highest quality ingredients possible.