Here's a good source for vitamin C info. https://lpi.oregonstate.edu/mic/vitamins/vitamin-C#cardiovascular-disease-prevention
It may depend a bit on the type of zinc. The recommended daily amount of zinc is 8 milligrams (mg) for women and 11 mg for adult men. https://www.mayoclinic.org/drugs-supplements-zinc/art-20366112
Vitamin C dose related. https://lpi.oregonstate.edu/mic/vitamins/vitamin-C#cardiovascular-disease-prevention Lysine dose related. https://pubmed.ncbi.nlm.nih.gov/30661148/
He should paint himself green. People might confuse him for Shrek.