based on the German version "Scharlatane"

Health fraud scams have been around for hundreds of years and play on the desire for a quick or miracle cure. Health fraud scams can also be found in serious locations such as food stores and drugstores, for example dietary supplements (vitamins, minerals, herbal remedies, enzymes and probiotics...) or superfood products (superfood powders, berries, seeds, blends...). Such products have no effect and may pose health risks. That Are a Rip-Off.

consumer protection:

• Berufsverbund für gesundheitlichen Verbraucherschutz & Vorsorge 
• Verbraucherzentrale 
• Gesetz gegen den unlauteren Wettbewerb, english: Act against Unfair Competition  

Sources

https://www.aarp.org/money/scams-fraud/info-2019/supplements.html