A viewer asks: “How much vitamin C is ideal for human beings? What about when you start to feel a cold coming on? My dietitian recommended 500 mg a day but others recommend far more. I was getting quite a bit from the lemon water I was drinking.” What can Creator tell us?

We see that level as being useful, but it could be increased by severalfold if desired to provide good coverage. Here, absorption may vary depending on the formulation, so there is more commonly an underdosage than a wasteful excess being utilized for supplementation, particularly because so few people in today's world get much sunlight exposure and natural endogenous production of the vitamin.