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

Vitamin B12 benefits include improving mood, reducing your risk of dementia, and supporting healthy hair and nail growth.

Explore how vitamin B₁₂ supports the brain and nervous system, why deficiencies persist even in well-nourished populations, ...

A doctor has shared the symptoms of a vitamin deficiency that could lead to "memory issues, confusion, or cognitive changes" ...

Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

Research has studied the link between vitamin B12 deficiency and cognitive decline in older people. More research is needed on that front, but the nutrient is essential for producing energy. Vitamin D ...

Vitamin B12 deficiency causes symptoms like fatigue, sore tongue, constipation, and confusion. B12 deficiency is caused by a lack of dietary B12 or pernicious anemia, which affects B12 absorption. To ...

Feeling fatigued, weak, or mentally foggy? These could be early signs of vitamin B12 deficiency, a common condition affecting ...

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

Medicare generally covers the costs of anemia testing and treatments deemed medically necessary by a doctor. However, experimental treatments may not be covered. Depending on the specific plan, ...

A study reveals 6% of health-conscious UK adults have anemia, primarily due to iron deficiency, often without noticeable ...