Can this be used on pregnant dogs? Frank Madison January 23, 2020 01:47 Follow Absolutely. It can be used on pregnant dogs. Related articles Are the Vitamins Synthetic or Natural in Canine Immune Complete? My Dog had a reaction, is it possible it's due to your supplement? My dog currently gets a Vitamin B Complex, digestive enzymes, fish oil, glandular support, and Turmeric. Can any of these be eliminated? My dog has lyme disease and is near the end of a month long course of doxycycline to treat it. Does your product help with Lyme disease? Are you coming out with a Cat supplement? Comments 0 comments Please sign in to leave a comment.