Not all, but a lot of coaches. Like the 23-year old just out of school "executive coach", or the "lifestyle coaches", "energetic coaches" etc.

The new age environment comes to mind, with everything from colonic washes to crystals.

I'm shocked that no one has said Essential Oils yet.

If you run a website: Paid SSL/TLS certificates. Free ones like Let's Encrypt and ZeroSSL are just as good, and can be automatically renewed.

Essential oil.

"Social" "networking"

Agile Coaches.

It’s like having a cadre of political officers in your team.

I mean isn't it obviously homoeopathy and a significant part of the rest of alternative medicine (not all of it I guess). It is a billion euro business in Germany alone.

Not a product, but life coach feels like the snake oil version of therapy.

Gamer glasses

Upward mobility

The American "food" industry, the American "health care" industry, American politics, the prison industrial complex, the military industrial complex, entertainment, right off the top of my head.

Finance courses promoted by various youtubers.

Standing desks - stationary standing is just as bad as stationary sitting.

Blue light filter stuff - it's my understanding that there's no evidence that blue light causes eye strain.

the vast majority of skincare products.

CBD oil. I bought some about 5 years ago and it did nothing but grease up my tongue