\"PrizMAG Plus is pure magnesium bisglycinate with added vitamins D3 and K2 for optimal bone and nervous system health. It is free from oxide, stearate and fillers, so you get nothing but a highly absorbable magnesium glycynate supplement with no unwanted additives. Because it does not contain oxide, each capsule can only contain 80g of elemental magnesium. PrizMAG Plus uses a bioactive encapsulated form of K2. Magnesium : 320mg Vitamin D3: 28µg. Vitamin K2: 100µg per serving size (4 capsules)\"