They can absorb sialic acid through contact with animals or by
eating food of animal origin and integrate it into their glycoproteins.
A vegan is classified as someone who does not
eat foods of animal origin.
Not exact matches
This tendency for chemical levels to decline the longer one
eats plant - based suggests that
food of animal origin contributes substantially, but note the levels never get down to zero; so, diet is not the only source.
According to nutrition experts, each day a normal adult is not allowed to
eat exceed 30g protein, 15g
of animal protein equivalent to about 120 - 150g
of protein - rich
foods having
animal origin.