In India, up to 90% of elderly individuals exhibit Vitamin B12 deficiency, linked to inadequate intake and absorption issues. This deficiency can lead to diverse health concerns, including cardiovascular issues, Alzheimer's disease, depression, and osteoporosis. Factors like metformin usage in diabetes exacerbate deficiency risks. Timely screening and supplementation are crucial to address Vitamin B12 deficiency and its associated health risks effectively.