Researchers warn about the dangers of vitamin B12 deficiency in people following plant-based diets –

December 31, 2021 by No Comments

In the run up to Veganuary leading researchers are warning of the dangers of a quiet epidemic of vitamin B12 deficiency in people who follow increasingly popular plant-based diets.

Plant-based diets (vegetarian or vegan)are becoming significantly more popular as people look to adopt a diet that is seen to be better for the environment, animal welfare, and/or personal health.Sales of plant-based foods have seen a 49 per cent increase in Western Europe since 2018.

Scientists from around the world with expertise in food, nutrition, medicine, and health have formed a vitamin B12 research discussion group calledcluB-12 to raise awareness of B12deficiency and how it can be addressed. Vitamin B12 is an essential micronutrient which plays a role in supporting red blood cell production, energy, metabolism, and nerve function, but it is not found in plants.

Professor Martin Warren of the Quadram Institute in Norwich, UK, who helped initiate cluB-12,is keen that the public and policymakers are aware of the public health implications and measures needed to mitigate Vitamin B12 deficiency.

Vitamin B12, deficiency anaemia can cause a wide range of symptoms. These usually develop gradually but can worsen if the condition goes untreated. Anaemia is where you have fewer red blood cells than normal, or you have an abnormally low amount of a substance called haemoglobin in each red blood cell.

General symptoms may include: extreme tiredness (fatigue), lack of energy (lethargy),tinnitus, breathlessness, feeling faint, headaches, pale skin, noticeable heartbeats (palpitations),loss of appetite and weight loss.

There is a hidden epidemic of vitamin B12deficiency among vegetarian and vegan populations and this is a particular concern for women of child-bearing age. We are concerned that the current UK recommendations, for example, take no account of pregnancy and this urgently needs to be addressed.”

Martin Warren, Professor, Quadram Institute

“There are many good reasons to follow a planned and balanced plant-based diet but for a vegan diet especially you should be aware of the potential for nutritional deficiency and the need to take appropriate vitamin B12supplements.”

Dr Kourosh R Ahmad, co-author from the University of Surrey, said: “Millions of people across the globe are switching to a plant-based diet for a myriad of ethical reasons – whether it’s because they have a love for animals or environmental reasons. Our paper is not about convincing people they are wrong for becoming vegans, but about making sure they are safe and don’t sleepwalk into being B12 deficient.

“Furthermore, there clearly needs to be a global consensus on guidance on daily intake recommendations for vitamin B12- not just for …….



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