There’s a hidden irreversible deficiency in most plant-based diets. Here’s how to avoid it

Vitamin B12 is lacking in most plant-based diets and can cause serious symptoms if it isn’t dealt with.

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A pile of vegetables pushed up against a blank wall

Credit: Yulia Reznikov

Alex Hughes

Published: April 30, 2024 at 3:00 am

Alex Hughes

Alex is a staff writer at BBC Science Focus. He has worked for a number of brands covering technology and science with an interest in consumer tech, robotics, AI and the often generally wonderful and weird world of future technology.

There’s a hidden irreversible deficiency in most plant-based diets. Here’s how to avoid it

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