| UPDATED: 16:04, Sat, Mar 6, 2021
Link copied
Sign up for FREE health tips to live a long and happy life
SUBSCRIBE Invalid email
When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time.
Vitamin B12 is one of the most important vitamins for the body's overall health. But huge numbers of people may be at risk of a B12 deficiency, it's been claimed. What are the key warning signs of the condition?