Ah, sorry, yes, that's true. I didn't mean Vitamin C doesn't prevent Vitamin C deficiency. Your second statement doesn't negate my claim that Vitamin C is esse

Ah, sorry, yes, that's true. I didn't mean Vitamin C doesn't prevent Vitamin C deficiency. Your second statement doesn't negate my claim that Vitamin C is essential for tissue repair. It absolutely is, but of course that's not all it's essential for, and I did hint at this in the bit you didn't quote.