Are the Vitamins Synthetic or Natural in Canine Immune Complete? Frank Madison July 16, 2021 15:28 Updated Follow All our products are Non-GMO Whole Food Sourced. Our entire product lines do not contain Synthetics. Related articles My dog is taking vitamins, does your product create a vitamin excess? What are the ingredients for Canine Immune Complete? My dog currently gets a Vitamin B Complex, digestive enzymes, fish oil, glandular support, and Turmeric. Can any of these be eliminated? Are you coming out with a Human version of Canine Immune Complete? Can this be used on pregnant dogs? Comments 0 comments Please sign in to leave a comment.