As someone who sufferes from arthritis in my knees and having had both knees replaced I can't recommend this product enough. It helps with the pain I still have and lets me go through the day relatively pain free. I've been taking this dietery supplement since my doctor recommended it to me over 7 years ago. Sadly, I still needed knee replacement but I feel it has helped immensely, not only for my knees but all my other joints as well. With the triple strength formula I need only take 2 tablets per day - so it's important for people considering this product to do their homework and read the labels. Osteo Bi-Flex is backed by the Arthritis Foundation and the #1 brand recommended by doctors. I was taking it long before it was popular. Looking at me someone would never know I've had my knees replaced and I don't make it a habit to talk about my aches and pains, so when someone talks about this product like it's a new miracle drug, I just smile to myself!!