Cart Remove item Thumbnail image Product Price Quantity Subtotal × Zonulin (Serum) ELISA Kit $1,360.00 Zonulin (Serum) ELISA Kit quantity $1,360.00 × Rat NT-proBNP ELISA Kit $775.00 Rat NT-proBNP ELISA Kit quantity $775.00 × MedFrontier Intact FGF23 Assay $1,455.00 MedFrontier Intact FGF23 Assay quantity $1,455.00 Update cart Cart totals Subtotal $3,590.00 Tax $0.00 Total $3,590.00 Proceed to checkout