Sufferers often have few symptoms but too little can affect day to day life and can be serious for long-term health ...

“Vitamin D deficiency is very common and ongoing research has shown its impact on physical and mental well-being,” says Dr.

John's wort can lower the effectiveness of the drug. The supplement can even reduce the effectiveness of oral contraceptives, which could lead to pregnancy. Read More: Strange Side Effects From ...

Learn about the best time of day and way to take vitamin D and if you should consider a supplementing with this nutrient.

Peeing more than usual and feeling more thirsty are symptoms of too much vitamin D. Learn why overdosing on vitamin D is ...

Vitamin D may lower ICU and intubation rates in COVID-19 patients, with significant benefits observed in older and severe ...

Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

While sunscreen does reduce your vitamin D production, many doctors believe ... check with your doctor to see if any other multivitamins or medications you're taking already contain vitamin ...

Are you noticing thinning, a receding hairline, breakage or slower-than-normal hair regrowth lately? You might be wondering ...

Study after study has linked low vitamin D levels with various diseases, such as MS, Alzheimer’s, diabetes, heart disease and cancer, to name a few. This has led to assume that taking extra ...

GLP-1 medications, such as Ozempic, may interact with other drugs, causing very low blood sugar levels or disrupting the ...

Studies have linked low vitamin D with a higher risk of Alzheimer’s disease. However, it’s not clear whether vitamin D supplementation lowers Alzheimer’s risk. You can get vitamin D through ...