SMARTSHOT is a long lasting B12 injection which depending on dose rate, can reach and maintain adequate B12 and selenium levels for 6+ months. Using SMARTSHOT at weaning ensures your ewe replacements are Marks Min Copper Free Injectable Specialist Sales Boehringer Liquid B 12 Supplement PBS Animal Health B12 Shots for Energy: Do They Work, Who Needs Them & What to Expect Greenwich Medical Spa Vitamin B 12 Injectable Solution 1000mcg mL 100mL vial Butaphosphan + Vitamin B12 Injection Manufacturer AdvaCare Pharma