Saranghae Marine Collagen is the best collagen supplement I've tried. I was given their Premium Marine Collagen to try for 4 weeks. Most other collagen tasted really bad, but not Saranghae. There was absolutely no taste and no smell. I added it to my coffee every morning and I loved it. At the end of 4 weeks, I noticed a few things. There was less pain when going downstairs. My nails and hair grew really quickly and stronger, and my wife made a remark about how smooth my face was looking. I have no idea if this is causation or correlation, but I'm going to keep using it, and for the price, it's a no-brainer.