. "Use cautiously in people who have abnormally high iron levels, abnormal white blood cell count, AIDs, arthritis or other joint diseases, atopy (tendency for allergic asthma, eye and skin allergies, food allergy, or hay fever), autoimmune diseases, cancer, chronic headaches or migraines, collagen disease, HIV, kidney disease, mental disorders (anxiety or nervousness), multiple sclerosis, sleep diso" . . .