The Original Hanley Formula is a pure amino acid concentrate powder that contains all 10 Essential Amino Acids which must be supplied in the diet (arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine) at levels never previously available in an equine supplement.

This is the best way to top dress your existing feed ensuring all types of horses are receiving the necessary Amino Acids for their varying life stages and work loads.