Here is a previous misconception I would like to correct:
According to most sources, beef contains 0 mg of Vitamin C.
This appears to be wrong.

Grain Fed Beef(1lb/454gr) 7.3 mg Vitamin C
Grass Fed Beef(1lb/454gr) 11.6 mg Vitamin C
Here is the study:
https://www.sciencedirect.com/science/article/abs/pii/S0309174006002701
Any questions?