Element found in a cholesterol-reducing drug and vitamin (8)
I believe the answer is:
astatine
'element' is the definition.
(I know that astatine is a type of element)
'a cholesterol-reducing drug and vitamin' is the wordplay.
'cholesterol-reducing drug' becomes 'statin' (I've seen this before).
'and' means one lot of letters go next to another.
'vitamin' becomes 'E' (E is an example).
'a'+'statin'+'e'='ASTATINE'
'found in' is the link.
(Other definitions for astatine that I've seen before include "Radioactive element" , "Chemical element At" , "Rare element" , "radioactive material" , "Atomic number 85" .)