https://www.mindbodygreen.com/articles/supplement-industry-transparency
So many manufacturers these days are using double-blind, placebo-controlled trials in order to back the efficacy of their supplement products.
supplement industryinsidersgetreallytransparent
https://www.elsevier.com/pt-br/connect/the-link-between-big-pharma-and-the-supplement-industry
One can imagine that some pharmaceutical drug makers might fume over this situation.
big pharmasupplement industryelsevier