Charles Best Was the Co-Discoverer of This
This page is the CodyCross answer for the clue below from House of Horrors, Group 1116, Puzzle 5 (Haunted House).
Question is: Charles Best Was the Co-Discoverer of This
and the answer is: INSULIN
Word Meaning:
INSULIN — A polypeptide hormone that regulates carbohydrate metabolism (in various animals including humans).
Definitions from Wiktionary.