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This can damage the blood vessels of the brain, heart, and kidneys, resulting in a stroke, heart failure, or kidney failure
For people not eating any animal products, yeast extract and other fortified/supplemented foods such as breakfast cereals, soya milks, soya/veggie burgers, and vegetable margarines are all good sources
Optionally add a pinch of baking soda to offset acidity and, supposedly, improve absorption
In the absence of coenzyme B12, tetrahydrofolate cannot be regenerated from its inactive storage form, 5-methyltetrahydrofolate, and a functional folate deficiency occurs
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