Do not take more often than directed. Too much vitamin D over time can raise blood calcium and harm the kidneys. Tell your doctor if you have kidney stones, kidney disease, high blood calcium, sarcoidosis, or take other vitamin D, calcium or heart (digoxin) medicines. Report unusual thirst, frequent urination, nausea or weakness. Use in pregnancy or breastfeeding only at the recommended dose. Store in a cool, dry place. This product information is for general guidance only and does not replace professional medical advice. Always consult a qualified healthcare provider before starting any new supplement. Keep out of reach of children.