Vitamin B12 Deficiency Symptoms: 6 signs of Vitamin B12 deficiency and how to address it in one month

Vitamin B12 deficiency also affects cognitive function. This may lead to memory lapses, difficulty concentrating, or brain fog. You may also experience a hard time remembering things or getting confused easily. In severe cases, it may mimic dementia-like symptoms, particularly in older adults, as B12 supports brain health and cognitive function.