Here's Earl Mindell's Vitamin Bible on a used bookstore online.
He tells you what to eat naturally for all types of ailments.
I don't know how many of these books I gave to folks who came down with something.
And he has areas for diets per type of person or problem. https://www.abebooks.com/servlet/SearchResults?cm_sp=SearchF--topnav--Results&kn=earl%20mindell&sts=t