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  2. Vitamin D is essential for healthy bones, & a lack of it can lead to health problems, including cardiovascular disease. Know how to get plenty of vitamin D & treat deficiency.

  3. Signs, Symptoms, and Side Effects of Too Much Vitamin D

    www.healthline.com/nutrition/vitamin-d-side-effects

    Summary. Taking vitamin D can increase levels of calcium in the blood, and too much calcium can cause side effects. If you take large doses of vitamin D, you may experience stomach pain, loss of ...

  4. How Much Vitamin D Is Too Much? The Surprising Truth - Healthline

    www.healthline.com/nutrition/how-much-vitamin-d...

    Sufficient: 20–50 nanograms per milliliter (ng/mL), or 50–125 nanomoles per liter (nmol/L) Safe upper limit: 50 ng/mL, or 125 nmol/L. Toxic: above 50–60 ng/mL, or above 125–150 nmol/L ...

  5. What Vitamin D Dosage Is Best? - Healthline

    www.healthline.com/nutrition/vitamin-d-dosage

    summary. Consuming 400–800 IU (10–20 mcg) of vitamin D should meet the needs of 97%–98% of healthy people. However, several studies show that taking more than this is linked to greater ...

  6. 6 Healthy Foods High in Vitamin D - WebMD

    www.webmd.com/diet/foods-high-in-vitamin-d

    Yogurt has between 2 and 3 mcg of vitamin D per serving. Like cereals, some brands of fortified milk and non-dairy milk may contain added sugar. 3. Orange Juice. Orange juice is another beverage ...

  7. What to Know About a Vitamin D Overdose - WebMD

    www.webmd.com/vitamins-and-supplements/vitamin-d...

    Irritability. Constipation. Pain. Less appetite. Dehydration. Peeing a lot along with thirst. Kidney stones. Extremely high levels of vitamin D can lead to: Kidney failure.

  8. Vitamin D Deficiency: Symptoms, Treatments, and Causes

    www.healthline.com/nutrition/vitamin-d...

    How we vet brands and products. Symptoms of vitamin D deficiency may include fatigue, frequent illness, anxiety, bone pain, and slower wound healing, among others. Treatments may include dietary ...

  9. What to Know About Vitamin D and COVID-19 - WebMD

    www.webmd.com/covid/vitamin-d-covid-19-what-to-know

    How to Get More Vitamin D. More sunlight and foods rich in vitamin D are the best ways. Try to get 15-20 minutes of sunlight, three days a week. And eat foods like: Oily fish (like salmon or sardines)