Comments by "John G Williams" (@johnwilliams8818) on "I Took 5 DNA Tests and Compared Them | Which One Is Best?" video.

  1. You can get comprehensive health reports from Promethease for like $12 USD. You can rescan your DNA results to get updates. This organization has collected all the research from all over the world. Its not limited. The best DNA test is via "Blood" and not Saliva. You do not get an entire test from Saliva...
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