Single Tests in Blood Spot Insulin (In), Insulin-Like Growth Factor I (IGF-1), Sex Hormone Binding Globulin (SHBG) BY Hester DATE: June 7, 2021 View cart “GPL Complete 2” has been added to your cart. $50.00 Single Tests in Blood Spot Insulin (In), Insulin-Like Growth Factor I (IGF-1), Sex Hormone Binding Globulin (SHBG) quantity Add to cart SKU: ZRT_B_SingleBloodSpot4 Category: Uncategorized Related products Metabolism Panel $99.00 Add to cart Male/Female Anti-Aging (Comp) $309.00 Add to cart GPL Complete $80.00 Add to cart test 1 $20.00 Add to cart