This mineral plays a key role in thyroid function. Iodine helps convert thyroid-stimulating hormone (TSH) to triiodothyronine (T3) and thyroxine (T4). This conversion is important for the thyroid to function properly. An iodine imbalance can lead to an overactive or underactive thyroid.
Plays an important role in thyroid function and thyroid hormone production. Selenium enzymes are also involved in this. This is why these two minerals are often linked.
Thyroid hormones can play a key role in immune defence, muscle function and have been linked to reproduction suppressed oestrus.
They also play an important role in metabolism leading to stillbirths or weak calves and lambs.