Mare Moods For HorsesWhen a mare is balanced hormonally she will be as easy to get along with as a gelding. Really! They generally only act like they are mad at the world because they are in great discomfort. The herbs in Mare Moods support healthy and natural hormone balance, support the uterus and reproductive organs, and maintain harmonious heat cycles by supporting the natural progesterone and testosterone levels. #31 Mare Moods may be beneficial in: Poor haulers