Feel free to comment. I've been taking this, and it's effective for my legs and lower back. There's a definite difference between taking it and not taking it. It's a good product and inexpensive. DHC's Type II Collagen + Proteoglycan is a supplement containing 150mg of Type II collagen, which is helpful for maintaining good health. - Contents: 30 days' worth - Collagen content: 150mg - Proteoglycan content: 10mg - CBP 6mg Expiration date: 28.7