About cholecalciferol + menaquinone
Vitamin D3 and vitamin K2 supplement
Used for
- Prevention or treatment of vitamin D deficiency
- Vitamin K supplementation when clinically indicated
Usual adult dose
No standard dose for this combination; dosing depends on vitamin levels and reason for use.
Usual dose in children
No standard dose for this combination; pediatric dosing depends on age, vitamin levels, and clinical need.
Common side effects
- Nausea or stomach upset
- Constipation
- High blood calcium with excessive vitamin D
- Allergic reactions, rarely
Important warnings
- Excess vitamin D can cause kidney damage and abnormal heart rhythms.
- Use caution with kidney disease, high calcium, or a history of kidney stones.
- Vitamin K can reduce the effect of warfarin and similar blood thinners.
- Check the label carefully because drop concentrations and dosing vary.
Pregnancy
Use only when needed and at an appropriate dose; excessive vitamin D can harm mother and fetus.
Breastfeeding
Generally compatible at appropriate doses; high-dose vitamin D requires clinical guidance.
Interactions
- Warfarin and similar vitamin K antagonist anticoagulants
- Thiazide diuretics may increase risk of high blood calcium
- Orlistat and bile-acid sequestrants can reduce vitamin D absorption
- Some seizure medicines can reduce vitamin D levels
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.