Supplementsmarketing claim
Supplements are a fast-growing industry, but there's little evidence on effectiveness
Shoppers are pouring money into a $70 billion market, yet for a large share of the pills and powders on the shelf, solid proof of the promised benefits simply isn't there.
What it shows: Reported by NPR (health) and not verified by us: we could not trace this story to a published paper, so treat it as news rather than evidence we have checked.