Stance Vitamin E

Vitamin E is an antioxidant. Plays a role in immune and muscle function.

Introduce gradually into diet over a two week period. 
Add to feed, split into two feeds (morning and night) where possible. 
Always provide access to clean water.

1 scoop = 5 g

Morning feed: 1/4 - 1 x scoop (1.25g - 5g)
Night feed: 1/4 - 1 x scoop (1.25g - 5g)

Recommended rate based on a 500kg horse. 

Vitamin E as DL Alpha tocopheryl acetate contains 2500IU per 5g dose.