Vitamin B12 Deficiency in Aging: Causes, Symptoms and Treatment

All Episodes: Dr Leslie Kernisan, MD MPH – Better Health While Aging
Vitamin B12 deficiency is a common but often overlooked issue in older adults, and it can have serious health consequences if left untreated. In this episode, Geriatrician Leslie Kernisan, MD MPH, explains why vitamin B12 is essential for nerve function, red blood cell production, and overall brain health.

Learn about the causes of B12 deficiency, including age-related changes, digestive issues, and conditions like pernicious anemia. Dr. Kernisan also discusses the subtle symptoms that may be missed in routine care, the importance of early testing, and how simple treatments can improve energy, memory, and well-being.

If you’re caring for an aging parent or want to maintain your own health as you age, this conversation provides practical, science-based insights on preventing, diagnosing, and treating vitamin B12 deficiency for better long-term outcomes.