Vegan Diet Can Lead to Vitamin B12 Deficiency

October 26, 2016 · Posted in Risk Factors 
B12 may be deficient in vegans

Foods high in vitamin B12

Vitamin B12 deficiency is a risk associated with a vegan diet. B12 deficiency can lead to depression, anemia, and even irreversible neuron damage, according to researcher Drew Ramsey, who spoke on the topic at the 2016 meeting of the American Psychiatric Association.

A study of vegans showed that 52% were deficient in vitamin B12, while another 23% had insufficient levels of the vitamin. B12 is found in the highest concentrations in certain seafoods and liver. It is also found in dairy products, eggs, fortified breakfast cereals, and is available in supplement form.

Women who eat a vegan diet while pregnant may not be providing their offspring with enough nutrients, according to researcher Emily Deans, who also spoke at the meeting. A case report on 30 vegan mothers found that 60% of their offspring had developmental delays and 37% showed cerebral atrophy.

Deans said that eating no meat is associated with higher rates of depression, anxiety, and worse quality of life.

Ramsey believes that while the North American diet is probably weighted too heavily toward animal products, seafood remains an important source of B12.

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