Can low enzyme levels be the reason you're feeling sick? Find out if your immune system is in danger with Dr. Oz's easy test.

Get and print Dr. Oz's self-check low-enzyme test here!

Watch to get Dr. Oz's enzyme-boosting green drink recipe. 

You've heard of red wine and white wine but have you ever heard of blue wine? This blue version of wine is given a taste test to see how it compares to the classics.