ALL GUARD XTRA is a slow release trace element bolus containing the highest possible levels of Iodine, Copper, Selenium, Cobalt, Zinc and Vitamin E

• Multi Trace Element bolus (Copper, Iodine, Selenium, Cobalt and Zinc)
• High Iodine content (50% more Iodine than competing boluses)
• Last up to 6 months
• Slow release
• True high Iodine
• Contains Zinc & Vitamin E