I've been trying to balance my forage on FeedXL. Turns out the locally made supp which is high in Se (we are in a deficient area) was low in lots of other things. I found that MPV D-Carb Balance is almost perfect at 1/2 the dose for a large horse but the RDA percentages are so high. The report says they exceed the required amount but the level is safe. I know that the efficacy of a vit/min depends on the forage but has anyone found one they like particularly?