5 areas on your body that can signal vitamin B12 deficiency Posted by The Secret Butterfly | August 18, 2022 | Fashion News, Indian Fashion | 0 | Vitamin B12 deficiency has become a common health issue in India and around the globe. Reports suggest at least 47% of the Indian population suffers from low B12 levels in the body and only 26% of the population may be vitamin B12 sufficient.