Vitamin B12 is essential for mental, gut, nerve and eye health, as well as making sure you feel energised.

Check out what symptoms you may develop if you become vitamin B12 deficient and what to eat to increase your levels, below…

Also know that certain lifestyle aspects can decrease your ability to absorb vitamin B12 including high alcohol intake, inflammatory bowel condition, having had surgery to remove part of your stomach or small intestine and long-term use of anti-acids.

So, eat a wide variety of meat, fish, shellfish and dairy and you should be well on your way to the 2.4 microgram daily recommendation! (N.B. higher amounts are recommended for pregnant or breastfeeding women).