It helps my knee and hip pain
I used this. My knee & hip pain were gone & my hair darker & thicker. I tried a cheaper brand. The cheaper brand did not mix well in liquids, had a slight yuck taste, and my pain returned & hair got grayer again. I tried capsules that made big promises & delivered little. I'm back to Great Lakes Collagen Hydrolysate & won't use anything else as I've haven't found anything else that works as well. And I am 65 years old. No longer on Rx arthritis pain meds. Hurrah!