[B] The following conclusions are supported by fair evidence:
In the general population, vegetarians often have either similar or higher total iron intakes than non-vegetarians, but have lower heme iron intakes and lower serum ferritin levels than non-vegetarians. The RDA for iron for vegetarians is 1.8 times that of non-vegetarians.
Vegetarians, especially male and female adolescents, pregnant women, and female endurance athletes, are at greater risk for iron deficiency. If a non-anemic