All it needs is for somone to pay a lot of money for them.
You can't expect private companies to spend money on thigs that have no return for them.
Display MoreThe US vitamin industry revenue is about $30 billion per year. Globally its $300B - about 25% of what the pharmaceutical industry makes. They could easily afford to run trials if they wanted.
But they don't want to run trials, as they understand that despite the majority of US citizens taking supplements, overall health has not improved.
Still, the vast majority (>80%) of people blindly trust that vitamins will help them, despite there being very little evidence.
Why would the vitamin industry risk killing off that golden goose?
Very good point