Copper

Copper is an essential trace mineral in animal and human nutrition. In addition to possible anaemia, neutropenia and osteoporosis, manifestations of mild copper deficiency may include abnormal glucose tolerance, hypercholesterolemia, arthritis, myocardial disease, arterial disease, cardiac arrhythmias, loss of pigmentation and neurological problems.

Vitamin B3 (Niacin or Nicotinic Acid)