Vitamin B12 benefits include forming red blood cells, preventing dementia, and reducing birth defects. Vitamin B12 is found in foods like meat, eggs, dairy, and fish. Side effects of B12 are rare ...

Vitamin B12 deficiency symptoms include canker sores, a swollen tongue, and fatigue. B12 deficiency is often caused by veganism, Crohn's disease, or pernicious anemia. To treat vitamin B12 ...

Vitamin B12 deficiency is quite common and can result in fatigue, nervousness, dizziness, and numbness. Here are 8 foods to boost your vitamin B12 intake: Eggs are a good source of vitamin B12.