That’s very good for every day use. If you’re really sick though, there’s a clinical benefit to high dose IV vitamin C.

Oral vitamin C, even liposomal, is limited by the available transport mechanisms to get from the gut to the bloodstream —more than adequate most of the time.

But the best absorption by oral route can’t get close to 30, 50, or 100 gram dosing typically given by IV to combat these hyper immune states.