Consult a health care practitioner prior to use if you take any prescription medications including antacids, anticonvulsants, digoxin, cholestyramine, colestipol, mineral oil, steroids, statins, or thiazide diuretics.
Consult a health care practitioner prior to use if you take other vitamin D supplements, multivitamin supplements containing vitamin D, or products containing vitamin D analogues. Do not use this product if you have hypercalcemia and/or hypercalciuria. Stop use and consult a health care practitioner if weakness, fatigue, drowsiness, headache, lack of appetite, dry mouth, metallic taste, nausea, vomiting, vertigo, ringing in the ears, lack of coordination and muscle weakness occur which are early symptoms of hypercalcemia or if you have any other side effects.