Product Description Behavioural changes and hormones can be detrimental to performance and wellbeing. Oestress supports the mare's natural hormone balance and encourages the regularity of her natural cycle. It contains a unique formulation of synergistically blended nutrients to help manage mare-ish behaviour such as aggression and moodiness while supporting the causes of discomfort Set Contains: 1 x NAF Oestress Liquid 2 L