The video seems credible as it
references the University of Washington, which is one of the leading centers in the US for virology. The video also references the Western Blot test, which is well known to be the gold standard of tests for determining if someone has herpes.
The video also states that this natural cure, which apparently has been around for thousands of years, has been covered up by big pharmaceutical companies because it can't be patented and is not profitable...e.g.