You need to make sure you get enough vitamin D, the “sunshine vitamin,” all year round. Even during the longer, sunnier days of spring and summer, you can still fall short of what you need for optimal health.

The Bottom Line Guide to What You Need to Know About Vitamin D explains the dangers of getting too little (or too much) of this critical nutrient…what’s “just right”…and the many health conditions vitamin D benefits.

Read about the benefits and cautions for vitamin D below in the Bottom Line Guide to What You Need to Know About Vitamin D.

Getting Enough Vitamin D…

Getting Enough Vitamin D Can Save Your Life

What’s the Ideal Blood Level of Vitamin D?

The Truth About Vitamin D

Get the Most from Vitamin D

But Not Too Much!

Is Too Much Vitamin D Dangerous?

When Vitamin D Becomes Toxic

Vitamin D Pills May Have Too Much Vitamin D

Dementia, Heart Health, Breast Cancer, Bones…and More

Going to the Hospital for Surgery? Vitamin D May Protect Your Mind

Let Vitamin D Improve Your Heart and Your Sex Life

Vitamin D Deficiency Linked to Increased Breast Cancer Death Risk

Vitamin D Eases Breast Cancer Drug Pain

How Much Vitamin D Do Bones Need? Probably More Than You Think

Relieve COPD Flare-Ups with Vitamin D

Vitamin D Fights Cancer

Vitamin D for Strong Muscles