How to tell if you have a vitamin B12 deficiency and treat it effectively

Around 15% of the US population is deficient in B12, which can cause them to feel fatigued, irritable, and constipated.

Can diet make you feel tired? Early warning signs your body is vitamin B12 deficient. Here ...

Persistent fatigue, mental fog, and weakness may be more than just signs of a busy lifestyle—they can indicate a vitamin B12 ...