I bought Advanced Amino hoping it would, among other things, help me lost weight, retain muscle, and help my skin. I have various spinal issues, and that is where I have had spectacular results. My back and right hip were getting worse by the day. I even scheduled a consultation with a Neurosurgeon. I started taking Advanced Amino and by the time I saw the Neurosurgeon, I could have cancelled the visit since I felt so good. The doctor' s assistant was interested when I told her about it, and said she was going to order some for her husband. My right side is much improved and I don't even think about it. Has not felt this good in years. My left side pinched nerved issue has mostly resolved itself as well. Remarkable. And my skin seems to have gotten thicker or stronger. I used to bruise easily, but not so anymore.