A few years ago, I began to experience knee pain due to weak cartilage. My doctor prescribed a collagen drink, and I was amazed at how quickly the pain disappeared. That’s when I learned that collagen is a crucial protein that makes up a significant proportion of the cartilage in knees and other joints. But that’s not all – collagen is also found in our hair, skin, nails and bones. So it’s not surprising that within weeks, I noticed that my skin appeared firmer, my hair was stronger and my nails stopped breaking. When I mentioned this to a friend who had exceptionally beautifully skin, she told me that she