Being deficient in thiamine, or vitamin B1, can cause symptoms that are subtle and often overlooked. Here are 8 signs of thiamine deficiency, plus treatments.

Vitamin B12, B6, and B1 deficiencies can lead to hand tremors due to their role in nerve health. Know the symptoms, causes, ...

A doctor has highlighted the warning signs of a vitamin deficiency that could cause "memory issues, confusion, or cognitive changes", as well as some painful oral health concerns. These symptoms ...

Vitamin B12 is a water-soluble vitamin typically found in animal products. In the U.S., about 6% of U.S. adults younger than 60 have a vitamin B12 deficiency, but that rate jumps to about 20% for ...