--Boron: Dermatitis, indigestion, kidney damage Calcitriol: Hypercalcemia, hypercalciuria, anorexia, nausea, vomiting, constipation Calcium Carbonate: Constipation, flatulence, bloating, hypercalcemia Docosahexanoic Acid: Fishy aftertaste, upset stomach, loose stools Eicosapentaenoic Acid: Fishy aftertaste, upset stomach, loose stools Folic Acid: Allergic reactions, nausea, loss of appetite, bloating Methylcobalamin: Headache, itching, swelling, nervousness, anxiousness, nausea, vomiting