How do you counsel patients on the use of AREDS 3 vitamins (developed by B&L) without the support of clinical trials?

I make it clear that there are currently no prospective clinical trial data that demonstrate increased efficacy of the commercial AREDS3 formulation compared to AREDS2. I further explain that AREDS3 includes all of the AREDS2 components (but with a smaller dose of zinc) plus the addition of several ...