And the margins on supplements are insane. Landed cost for something like a bottle of green tea extract straight from the manufacturer is under $5 (less than $1 to make and a few in shipping). They might sell it to you for $20.
A company making 30%+ profit is generally considered to be doing well. These manufacturers are pulling 200%-1000% on everything they sell.
RE: What’s something totally legal to profit from that feels criminal the first time you hear about it?