Chaste tree berries acts as a hormonal normalizer. Beneficial in preparing mares for breeding, it helps regulate their seasons. Aids in relieving symptoms of the normal heat cycle which is great for tense and irritable mares. Chaste tree berries may also be used on geldings that show hormonal related behavioral issues. It also supports milk production in nursing mares. Chaste tree berries also regulates the pituitary gland and the hypothalamus, therefore making it a great supplement for horses with Cushings Disease.