All-Guard-Lamb 4in1The All Guard Lamb is a multi trace element bolus delivering Selenium, Cobalt, and Iodine for up to 6 months. For use in growing lambs. All Guard Lamb 4in1 is a multi trace element bolus delivering Selenium, Cobalt, and Iodine for up to 6 months. All Guard Lamb 4in1 for use in growing lambs. A 2g copper capsule can be administered at the same time should copper be required. Iodine 375 mg Selenium 50mg Cobalt 175 mg Zinc 200mg