Medically reviewed by Aviv Joshua, MS Vitamin D levels can be measured with a blood test. This test can indicate whether you ...

Learn about normal vitamin D levels by age. This article also looks at sources of vitamin D, symptoms of vitamin D toxicity, and more.

Vitamin D and cholesterol share a complex relationship. While vitamin D may help lower cholesterol levels, some studies suggest vitamin D can actually raise them.

Study’s findings suggest that maintaining normal vitamin D levels may benefit patients. New research indicates that for patients with advanced skin cancer, it may be important to maintain normal ...

Patients with gastroparesis and low vitamin D levels showed higher gastric retention of a solid, low-fat meal at 4 hours than those with normal vitamin D levels (36% retention vs 31% retention; P ...

A favorable response rate to immune checkpoint inhibitors was observed in 56.0% of patients in the group with normal baseline vitamin D levels or normal levels obtained with vitamin D supplementation, ...

There’s really no need for most people to supplement with more than 600 to 800 IU per day, but if you are deficient and having a hard time getting your vitamin D level up to a normal range, it ...

Vitamin D levels affect overall survival for melanoma (skin cancer) patients, a new study presented at the 31st European Academy of Dermatology and Venereology (EADV) Congress has shown.

Galus, L., et al. (2023) Vitamin D supplementation increases objective response rate and prolongs progression-free time in patients with advanced melanoma undergoing anti-PD1 therapy.Cancer. doi ...

A favorable response rate to immune checkpoint inhibitors was observed in 56.0% of patients in the group with normal baseline vitamin D levels or normal levels obtained with vitamin D ...