"Clinically proven to boost energy." "Supports immune health." "Doctors recommend it." Wellness marketing is full of phrases like these, and a surprising number of them are one regulator complaint away from a very expensive problem.
The reason health claims are riskier than almost any other category of marketing copy: two federal agencies are watching, and neither one is forgiving about it.
Two regulators, one product
The FDA regulates the product — whether a supplement is safe, properly labeled, and not making disease claims that would legally require it to be regulated as a drug. The FTC regulates the advertising — whether the marketing claims about that product are truthful and backed by evidence.
In practice, that split means a supplement label can be FDA-compliant while the ad campaign for the same product is an FTC violation, and vice versa. Marketing teams often assume "legal cleared the label" covers the ads too. It doesn't.
The substantiation bar is higher than you think
The FTC's standard is that health claims need "competent and reliable scientific evidence" — and for claims about supplements, that specifically means well-controlled human clinical trials. Not animal studies. Not a test tube result. Not one industry-funded study cherry-picked because it happened to support the claim.
Crucially, the evidence has to exist before you make the claim, not be assembled afterward if someone challenges it.
- "Supports" and "may help" language doesn't grant automatic immunity — the FTC looks at what a reasonable consumer would understand the ad to mean, not just the literal words
- A claim implied through imagery (someone visibly transformed, a before/after) is treated the same as a written claim
- One favorable study doesn't establish "competent and reliable" evidence if it's an outlier against the broader research
If your only proof is a single study your own marketing team commissioned, that's a gap, not a shield.
Influencers don't dilute the brand's liability
This is the part that catches wellness brands off guard: the brand can be held liable for a health claim made by an influencer, regardless of whether the brand scripted it, reviewed it, or even knew about it. The material connection alone — free product, payment, an affiliate code — is enough to establish the relationship the FTC cares about.
Under the FTC's endorsement rules (16 CFR 255), brands are expected to actively monitor influencer content and correct claims that go beyond what the product can substantiate. "We didn't tell them to say that" is not a defense if the brand had a system that should have caught it and didn't.
Civil penalties under the FTC Act can reach roughly $53,088 per violation, and in an influencer campaign, each individual post making an unsubstantiated claim can count separately. A ten-influencer campaign with the same overreaching claim isn't one violation, it's potentially ten.
What's landed brands in trouble recently
Enforcement in this space consistently targets a specific pattern: consumer wellness or supplement brands making disease-adjacent claims (cures, prevents, treats) without clinical backing, often amplified through affiliate or influencer networks that made the claims louder and more widely repeated than the brand's own site did.
The common thread across these cases isn't obscure legal technicality — it's claims that sound like medical promises without medical evidence behind them.
- Words like "cure," "treat," "prevent," or naming a specific disease push a supplement claim toward drug-claim territory, which triggers FDA jurisdiction on top of FTC
- "Clinically proven" requires an actual clinical trial on the actual product, not a similar ingredient studied elsewhere
- Testimonials ("it changed my life") still need a disclosure that individual results vary, and can't stand in for substantiation of an underlying medical claim
Building a claims-review habit
None of this means wellness brands can't market benefits — it means the claims need a paper trail before they go live.
- Route every health-adjacent claim through legal or regulatory review before it ships, not after a complaint arrives
- Keep the substantiating study on file, tied to the exact product formulation being sold
- Give influencer partners pre-approved claim language instead of leaving phrasing to their discretion
- Monitor published influencer content on a schedule, not just at campaign launch
"Clinically proven" is a specific legal claim, not a marketing flourish. If you can't point to an actual clinical trial on the actual formulation you're selling, don't use the phrase.