Let me confirm something you already know on a gut level...
The supplement industry is a capitalist wild wild west, a profiteers' paradise, an unregulated free market, and consumers should beware.
While the ubiquitous white Nutrition Facts box you see on the labeling of the packaging looks official, anyone with basic word processing software can create such a representation of the ingredients ostensibly in a product.
When you realize that no one verifies that the actual individual ingredients are in a given product, you realize how much of a decision to buy and take a #supplement is based upon trust.
Read
https://www.limitlessmindset.com/blog/nootropics/1008-pharmaceutical-grade-nootropics
Listen to #podcast
https://castbox.fm/x/1jVOS #Biohacking