Collagen IV, 1 mg,
https://www.cellnucleus.org/shop/03-3410-010-01-collagen-iv-1-mg-8442
https://www.cellnucleus.org/web/image/product.template/8442/image_1920?unique=1e82431
This IV, Collagen is guaranteed a 1 with the use of and directly supplied to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days