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  • Writer's pictureHelen

Do you need to boost your energy?

Updated: Sep 27, 2022

As we get older, our energy levels naturally decline, also our ability to absorb vitamin B 12 - the body's energy vitamin- decreases. This can leave us tired and fatigued much more easily.

Vitamin B12 is required for proper red blood cell formation, neurological function, and DNA synthesis. It helps us maintain our get-up-and-go. It also helps to regulate the immune system and mood.


Vitamin B12 is water soluble so is not stored in the body.The only foods that deliver B12 are meat, eggs, poultry, dairy products, and other foods from animals. Strict vegetarians and vegans are at high risk for developing a B12 deficiency if they don’t eat grains that have been fortified with the vitamin or take a vitamin supplement.

Did you know that a teaspoon of Marmite contains 40% of your B12 intake (it's been added).


A vitamin B12 shortage can cause extreme tiredness, a lack of energy, pins and needles, a sore and red tongue, mouth ulcers, muscle weakness, disturbed vision, psychological problems, which may include depression and confusion problems with memory, understanding and judgement.


The UK government says adults need 1.5 micrograms (mcg) a day. Studies suggest the prevalence of deficiency in the UK is one in 10 people aged 75 and over, one in 20 aged 65-74, and lower in younger age groups – except for vegans, where prevalence is around 11%. However, some say these rates are based on deficiency thresholds that are set too low.

Dr Ayan Panja, a GP in St Albans with an interest in preventive medicine says “ My view is that B12 deficiency is underdiagnosed, and can sometimes explain clusters of symptoms such as migraines, cramps, food digestion and sleep problems, dementia and depression.”

As I'm not eating as much meat in my diet I am taking a daily supplement to ensure I'm getting enough of this important vitamin.


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