Common claims about veganism, examined with scientific evidence. We present what the research shows — including where the evidence is uncertain or mixed.
“Vegan diets inevitably lead to nutritional deficiencies”
The Truth:
Well-planned vegan diets are nutritionally adequate for all life stages according to major dietetic associations. Some nutrients require attention...
“If vegans need supplements like B12, it proves the diet is unnatural and inadequate”
The Truth:
B12 comes from bacteria, not animals. Livestock are supplemented with B12 or cobalt. Taking supplements directly is simply more efficient than...