deca would reduce it because it would increase the fluid in the joints which is the oposite of what winny does. So why take two things that counteract each other?
How bad is the pain?
How much winny are you taking?
If the pain sucks than just drink it.
Answer is you can mix w any and it should reduce the pain. Is your winny in water or oil?
Dont ever inject water based gear with oil based gear. EVER!