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Cholecalciferol

Colecalciferol (cholecalciferol) is a form of vitamin D used to prevent and treat vitamin D deficiency.

Clinical information

Common uses

  • preventing vitamin D deficiency (daily supplement)
  • treating deficiency (higher loading doses)
  • bone health in rickets and osteomalacia

Common side effects

  • stomach pain
  • feeling sick (nausea)
  • headache

Cautions

  • too much can cause calcium build-up (hypercalcaemia)
  • not suitable with kidney stones, sarcoidosis or high calcium levels
  • capsules may contain gelatine or peanut/soya — check if allergic or vegan

Interactions

  • digoxin (heart medicine) — abnormal heartbeat risk
  • thiazide diuretics such as bendroflumethiazide
  • epilepsy medicines (phenytoin, carbamazepine, phenobarbital)
  • laxatives and cholestyramine
  • steroids such as prednisolone
  • antifungals such as ketoconazole

Pregnancy: recommended daily in pregnancy (400IU); higher prescribed doses also safe

Reference information, not medical advice — always follow your doctor or pharmacist. Source: NHS Medicines A–Z, nhs.uk/medicines/colecalciferol (accessed 2026-08-16)

Approved brands & formulations4

Brand nameDosage formStrengthImporterCategory
JusDee 400 DropsOral Liquid ( Drops )400 IU/ml (BP)AMDC Pvt. LtdPOM
JusDee 60K GranulesGranules (in Sachets)60000 IU/g (BP) ( 1g )AMDC Pvt. LtdPOM
zinDeeTablet ( Uncoated Chewable )60,000 IUauthorized medicine importersPOM
ZINDEEGranules (in Sachets)60,000 I.Uauthorized medicine importersPOM
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