Paul Saladino· MD
I do think it's interesting to imagine why we might have lost the ability to synthesize it there were these two lineages of Apes the steps are in C and the haplar in C or haplorhini and I believe it was the haplorhini lineage of lakes of apes about 40 to 60 million years ago that lost the ability and as you suggest I think it must have been due to an abundance of vitamin C in the environment an abundance of vitamin C in our world so we didn't need it