Latest News

What began as a professional science nerd's pet project - pun very much intended - is steadily becoming a national phenomenon. As Lavengel® helps pups and people everywhere, this will be the place to find news articles, blog posts, events, and the occasional dead animal that our part-time press hounds, Artie and Molly, bring to our attention.


January 4, 2021

RTD NEUTRACEUTICALS, LLC, Johnson City, TN, has been awarded a United States patent, “Topical Gel Compositions for the Treatment of Staphylococcal Infections,” for the efficacy of Lavengel® against skin infections caused by Staphylococcus bacteria.  W. Andrew Clark, PhD, RD, the inventor, Chief Technology Officer for the company, and Associate Dean of Research at ETSU’s College of Clinical and Rehabilitative Health Sciences, reports that this invention has been the subject of research activities for over a decade with investigation being conducted at ETSU, Wake Forest University, and regional veterinary clinics (clinical evaluation). “We continue to be surprised about the efficacy of Lavengel® in resolving skin issues in humans and animals,” states Clark, “and have seen effectiveness with insect bites, abrasions, burns, blisters, disrupted skin from radiation, eczema, ‘hot spots’ in dogs, cuts, cold sores, incision lines, MRSA/MRSP infections and numerous others.”  RTD Neutraceuticals, LLC, would like to thank Jennifer Livingston and the legal counselors of Dinsmore & Shohl, LLP, Cincinnati, OH, for their efforts in making this possible.  The official patent number, issued as of February 9, 2021, is #10912759.


by Rebecca Henderson | September 22, 2020

Here is Dr. Andy Clark’s very interesting and informative blog, which is titled "Concept to Commercialization: The Launch of Lavengel®." Most experiments start with asking a research question, developing a hypothesis, and writing specific research aims and objectives. This one started with a desire to help a friend who had recurring shingles outbreaks. He is one of those rare individuals who can have 3 to 4 shingles out breaks each year. One day, he told me... read onward

by David Floyd, Johnson City Press | July 6, 2020

One of Andy Clark’s latest projects started when he learned a co-worker was using lavender oil to temporarily relieve pain caused by his shingles. “He would put some lavender oil on the tip of his finger and then hold it against the lesion, and when he did that it would take the pain away for about 5 to 10 minutes,” Clark said. “I said, ‘Well, let’s try to develop something.’” The resulting product, Clark said, ended up taking the pain away for 8 to 12 hours. Clark and his wife Linda started a company, RTD... read onward

ETSU News | November 11, 2019

From his laboratory at East Tennessee State University’s Eastman Valleybrook campus, Dr. W. Andrew Clark combines his interests in research and entrepreneurship to inspire his students to see how their own research can result in innovative health care solutions. Clark’s research endeavors at ETSU have resulted in several products, including his most recent discovery... read onward