Article Created on April 8, 2021 | Last Updated on August 22, 2022

Published April 8, 2021

Veganism has never been more popular than it is today. A decade or two ago it was rare to encounter anyone following this lifestyle – now vegan food is sold in high street coffee bars. Veganism is a heartfelt ethical choice but it can pose dietary challenges as not all essential nutrients are easily obtained from plant foods. Avoiding all animal products means vegans will need to take extra care to ensure they eat a balanced diet and get enough of the nutrients they need to stay healthy.

Vitamin B12 is a prime example. One of the eight B vitamins, this nutrient plays a crucial role in the nervous system, blood production and cell metabolism, helping the body to produce DNA and process both fatty and amino acids. A lack of B12 can trigger a whole host of alarming symptoms, including chronic fatigue, depression, impaired memory, numbness, loss of appetite, breathlessness, and dizziness.

Most people obtain their B12 from meat, fish, eggs and milk. None of those are options open to vegans of course. So are any B12 foods vegan-friendly?

 

Vegan sources of vitamin B12

Yes, but it’s complicated. There is no shortage of options open to vegans keen to ensure they get their recommended daily intake (RDI) of vitamin B12 – but these primarily consist of fortified foods and supplements as there is no easy way to obtain adequate levels of vitamin B12 from plant foods alone.

Next time you go food shopping, look for:

  • Fortified breakfast cereals 
  • Fortified soya milk or other plant milks (for example coconut, almond or rice)
  • Yeast-based foods such as Marmite
  • Tempeh (a traditional Indonesian food made from fermented soya beans)

Check the labels as you go – fortified foods should specifically state they contain additional B12, alongside other nutrients.

A few vegetables do contain natural but low levels of B12, and these have become a natural inclusion in some vegan diets as a result:

  • Nori – a type of marine algae
  • Edible wild mushrooms – for example porcini, parasol and oyster mushrooms

Meanwhile, you won’t need to look too hard in the aisles of your local health food shop or spend too long on the site of your favourite supplement vendor to find a range of supplements rich in vitamin B12. 

Many are specifically formulated for use by vegans, offering a number of other nutrients that can be difficult to source from a plant-based diet, such as vitamin D. Different formats are available – from traditional tablets to capsules which can be broken open and mixed into a food as a topping or even used as an ingredient when cooking.

 

Staying on top of your health

It’s not just a vegan diet that will increase your chance of a vitamin B12 deficiency. Levels also drop with age, so eating an organised, balanced diet and hitting those RDIs is especially important for older people following this lifestyle. 

Fortunately, modern technology makes it easier than ever to stay on top of your body’s unique nutritional needs. An easy-to-use home DNA test will provide you with a detailed rundown of your body’s current state of health, enabling you to create a fully customised health plan. 

 


Written by Bev Walton, BSc Nutritional Science

I achieved a First-Class Honours degree in BSc Nutritional Science, Nutrition Sciences from the University of Reading and now have over 35 years experience in all types of cuisine, dietary plans, recipe development, health and nutrition. I have been writing for over 10 years for magazines and websites as well as ghostwriting for ebooks, Kindle and fully published books. I’m also a proud member of the Guild of Food writers.

Bev Walton | University of Reading BSc Nutritional Science, Nutrition Sciences

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