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VitroCol®
Our Price: $270.00

VitroCol® collagen, naturally produced purified human collagen for research purposes.
PureCol®
Our Price: $350.00

Purecol®  bovine collagen I comes in 3 mg/ml concentrations 100 ml volume
Nutragen®
Our Price: $365.00

Nutragen® is bovine 6 mg/ml collagen with >99% purity and makes a stiffer gel.