best collagen peptides

https://docs.google.com/document/d/1QWrLWJgTt447fbSKd-IYpn1yj4vP3diwTnFnPRMNGB4/pub?

<p class="p__0">"In add-on to grass-fed bovine collagen, Vital Healthy proteins includes Vitamin C to their particle to increase collagen absorption."" The bovine collagen in this antibiotic-free grain is actually