Except it's a lot safer already produced in large amounts. https://en.wikipedia.org/wiki/Hydroxychloroquine#Adverse_effects https://en.wikipedia.org/wiki/Hydro

Except it's a lot safer already produced in large amounts. https://en.wikipedia.org/wiki/Hydroxychloroquine#Adverse_effects https://en.wikipedia.org/wiki/Hydroxychloroquine#Adverse_eff... vs https://en.wikipedia.org/wiki/Vitamin_D#Excess https://en.wikipedia.org/wiki/Vitamin_D#Excess As long as you aren't pregnant and don't overdo Vitamin D, you'll be fine.