Equine america cortaflex ha regular powder the equine america cortaflex ha regular powder has been developed to be used as a part of a balanced diet and is a great way to maintain healthy joints in your horse or pony throughout their life feed supplement 4 month supply to be used as a part of a balanced diet technological additives monosilicic acid e551a 500mgkg glycine glutamic acid l proline aspartic acid l alanine l serine preservatives ammonium propionat