Testimonial Category: About

My wife and I been patients of Dr. Gumman for over 20 years. Dr. Gumman has helped us with different ailments during these two decades. He’s a wonderful doctor with a kind and gentle manner. We have been so grateful for his expertise and kindness all these years! I can […]

This is the absolute best colonic I have ever had. I have had colon hydrotherapy sessions at numerous locations from coast to coast in the United States. Karen is a RN with many years of traditional nursing experience combined with her colon therapy training and the result is impressive. Oklahoma […]

[Dr. Gumman] has changed my life and taken away the pain from my frozen shoulder. He helped me with my range of motion too. I’d recommend him any day.

I currently live in Ada, Oklahoma. I had been searching for a colon hydrotherapist for quite some time, but I never found anything in my area. Finding Karen at Harmony Healing has been life-changing for me! Karen has made my experience with colon hydrotherapy very relaxing, and I always feel […]

I saw Dr. Gumman throughout my pregnancy and it was amazing!! I napped during most of my sessions and always left feeling so relaxed. I had a wonderful birth and I’m so glad I incorporated acupuncture into my labor preparation!