Are vitamin D tablets good for you?
Daniel Lopez
Updated on February 19, 2026
Taken in appropriate doses, vitamin D is generally considered safe. However, taking too much vitamin D in the form of supplements can be harmful. Children age 9 years and older, adults, and pregnant and breastfeeding women who take more than 4,000 IU a day of vitamin D might experience: Nausea and vomiting.
Is it healthy to take vitamin D tablets?
Taking too many vitamin D supplements over a long period of time can cause too much calcium to build up in the body (hypercalcaemia). This can weaken the bones and damage the kidneys and the heart. If you choose to take vitamin D supplements, 10 micrograms a day will be enough for most people.What are the benefits of vitamin D tablets?
What Vitamin D May Do for Your Health
- Improve Symptoms of Seasonal Affective Disorder (Seasonal Depression)
- Protect Against Respiratory Infections.
- Help Protect Against Heart Disease and Stroke.
- Reduce the Risk for Type 2 Diabetes.
Can I take vitamin D tablet daily?
Some people may need a higher dose, however, including those with a bone health disorder and those with a condition that interferes with the absorption of vitamin D or calcium, says Dr. Manson. Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.What happens if we take vitamin D capsules daily?
Some side effects of taking too much vitamin D include weakness, dry mouth, nausea, vomiting, and others. Taking vitamin D for long periods of time in doses higher than 4000 IU (100 mcg) daily is possibly unsafe and may cause very high levels of calcium in the blood.Are Vitamin D Supplements Safe?
Is it better to take vitamin D every day or once a week?
Conclusion. Daily vitamin D was more effective than weekly, and monthly administration was the least effective.What medications should not be taken with vitamin D?
Possible interactions include:
- Aluminum. ...
- Anticonvulsants. ...
- Atorvastatin (Lipitor). ...
- Calcipotriene (Dovonex, Sorilux). ...
- Cholestyramine (Prevalite). ...
- Cytochrome P-450 3A4 (CYP3A4) substrates. ...
- Digoxin (Lanoxin). ...
- Diltiazem (Cardizem, Tiazac, others).