We are providing Evitol-Se-50 (Animal Vitamin Supplement) to our esteemed consumers. 50% Vitamin E with Se, Biotin & C. Brief Product Information Contents: Each gram contains â Vitamiin E 500mg, Selenium, 1000 mcg, Biotin 100mcg, Vitamin C 100mg. Applications: To jack up metabolism and productivity. To reduce stress and enhance immunity. For better response to regular vaccines. FOR BETTER IMMUNITY AND PERFORMANCE. For better fertility and hatchability in breeders. For better offspring immunity in breeders.