Collagen Type II Alpha 1 (COL2a1)
https://www.daifengwang.com/shop/338-rpd194mu02-collagen-type-ii-alpha-1-col2a1-12255
https://www.daifengwang.com/web/image/product.template/12255/image_1920?unique=5d15378
This Type is guaranteed a II with the use of Collagen and directly supplied to your lab by Gentaur's warehouse.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days