A good way to do is to ask for their success stories along with asking for that clients they have worked by having.
Just because it's posted on their website, does not imply it's really true. Our firm has massive number of very satisfied clients since 1998. https://www.digitaljournal.com/pr/news/press-advantage/alpha-therapeutics-llc-introduces-groundbreaking-extra-strength-cbg-and-cbd-products-formulated-by-doctors