Calm Healthy Horses Premium MVA is two products in one: 
All the benefits of Premium NZ Horse Minerals plus amino acids; the building blocks of protein.

Premium NZ Horse Minerals are ideal for the majority of customers. 
Premium MVA is for those whose horses are working harder or needing more because they are pregnant, lactating, growing or working hard.

Contains all essential Vitamins & Minerals including selenium plus ALL the amino acids.