I would say yes. I realize this post is somewhat older. I give my almost 17 year old, 22 pound dog, 50 mg ubiquinol daily, plus hawthorn for her heart murmur. Along with other supplements, she has stayed stable for over 3 years. She has never been on pharmaceuticals. She was diagnosed by a vet cardiologist. She did have a bout with heartworm about six years ago.
CoQ10, Hawthorn Berry
Our 14 yr old dog is benefitting from Coq10 (12mg) and Hawthorne Berry (6 drops) once per day to support a significant heart murmur. We'd like to increase to twice per day and eliminate the Enalapril and Lasix (once per day). Can we safely do I.e. Coq10 and/or Hawthorne B safe in these doses twice per day?