Product ReviewCollagen – What does it do and who should use it? Vital Proteins Collagen Peptides Review December 22, 2014July 1, 2017 Carrie A Groff Collagen has been a supplement word I've been hearing a lot about lately. I've never taken it nor did I really know what it's good for until I received a sample in my December Bulu Box. If you don't know what Bulu Box is, it's the best way to discover the health, nutrition, and weight… Continue reading Collagen – What does it do and who should use it? Vital Proteins Collagen Peptides Review