Deficiency: If you have a vitamin B12 deficiency you will feel tired or weak, pale skin, loss of appetite, infertility and ...

The first symptoms are a persistent cough, excessive mucus production and shortness of breath, which can disrupt sleep. The study looked at nicotinamide riboside, a form of B3. When this enters ...

Signs like constant tiredness, brain fog, or unexplained skin irritation can point toward low B3 levels. In India, where polished rice and wheat dominate the plate, and fermentation methods are ...

Niacin, or vitamin B3, plays a critical role in metabolism ... However, niacin flush may be accompanied by other symptoms, ...