How to use an at-home vitamin deficiency test For any further questions, all reputable at-home tests will have instructions and a customer care line. Most vitamin deficiency tests require a blood ...

Vitamin B12 deficiency can cause anemia, nerve damage, cognitive changes, and mood symptoms. Experts warn it’s often missed, ...

Lab tests offer insights for individuals who may experience inadequate intake of essential nutrients due to dietary restrictions, certain prescription medications, or chronic health conditions ...

Methylmalonic acid (MMA) is a substance that is created when your body digests protein. The amount of vitamin B12 in your body controls how much MMA your body makes. A high amount of MMA typically ...

A vitamin D deficiency is common, but can be hard to notice. Experts say there are some unexpected symptoms linked to low ...

Though it’s rare, a severe vitamin D deficiency can lead to a disease called rickets, also known as osteomalacia. Typically, the disease affects children—making it hard for their bodies to absorb ...

Constant tiredness can be easily dismissed, but I discovered that my exhaustion was caused by a common vitamin deficiency.

Chronic fatigue is a frequently reported and neglected symptom among adolescent girls. Although it is often associated with ...

At-home vitamin deficiency tests are available from online retailers, including LetsGetChecked, Everlywell, MyLab Box, and more. Popular test kits can measure a person’s vitamin D, B12, or iron levels ...