I purchased this product a week ago to help give my immune system a boost because I had a very bad sinus/Ear infection. I started to take this about three days after begining treatment with antibiotics and immediately started to feel improvements. To be specific, inflamation in my sinuses started to decrease and the icky stuff that was causing horrible congestion in my head started to drain. This has been a particularly nasty infection and there have been a few times that I felt like I was begining to relapse. A few days ago, my doctor reported that there is no sign of infection, that my ear drum is healing nicely, that my hearing test results were good and that my hearing should be back to 100% in about three more weeks. I've been very pleased with this product in regards to what I purchased it for- getting over a bad infection quickly and not having to take more than one course of antibiotics to do so. But what I'm really amazed by is the way that my skin looks and feels since I've been taking it