Selenium problems are sneaky because both deficiency and toxicity produce vague, overlapping, “not quite right” symptoms. Selenium has very small margins between too much and not enough - which is why it's a 'Goldilocks mineral'. That means owners - and sometimes even professionals - often chase the wrong diagnosis while the real culprit is a mineral imbalance hiding in plain sight

Our new look Sound Advice Moody Mare Mix pairs Chaste Tree Berry with Magnesium because together they support both the hormonal cause and the behavioural symptoms.