MemoHoney
Cognitive Wellness

How Dietary Supplements Are Actually Regulated in the United States

No pre-market approval, no proof-of-efficacy requirement, and a disclaimer on every label that most people have never read carefully.

The short answer

Under the Dietary Supplement Health and Education Act of 1994, supplements are regulated as a category of food rather than as drugs. There is no pre-market approval and no requirement to demonstrate efficacy before sale. Manufacturers are responsible for safety and labelling compliance, and the FDA generally acts after a product reaches market. Products may make structure-function claims but not disease claims, and must carry the standard disclaimer.

The law that set the framework

The Dietary Supplement Health and Education Act, passed in 1994 and universally shortened to DSHEA, defines how supplements are treated in the United States. Its central decision was to regulate them as a category of food rather than as drugs.

That single classification produces almost every consequence people find surprising about the category.

What "not FDA approved" actually means

Prescription drugs go through a defined sequence: preclinical work, phased human trials, submission of evidence, and agency review before sale. The burden sits with the manufacturer to prove safety and efficacy in advance.

Supplements do not do this. A manufacturer can formulate a product using ingredients already in the food supply and sell it without submitting efficacy evidence to anyone. There is no approval to receive, which is why "FDA approved" is meaningless when applied to a supplement — no such status exists for the category.

Responsibility instead sits with the manufacturer to ensure the product is safe and accurately labelled. Enforcement is largely post-market: the agency acts on adverse event reports, inspections and complaints once a product is already being sold.

New ingredients are treated differently

One important nuance. Ingredients marketed in the US before October 1994 are effectively grandfathered. Genuinely new dietary ingredients require a notification to the FDA with safety information before marketing.

This is why the supplement aisle contains so many long-established botanicals and comparatively few genuinely novel compounds — the older ingredients carry a lighter regulatory path.

Structure-function claims versus disease claims

This distinction explains the peculiar phrasing on every supplement label.

Structure-function claims are permitted. A product may state that it "supports memory," "helps maintain healthy circulation" or "promotes mental clarity." These describe effects on normal structure or function.

Disease claims are not. A supplement may not claim to treat, prevent, cure or diagnose any disease. "Prevents cognitive decline," "treats dementia" or "reverses memory loss" are illegal claims regardless of ingredients.

Any product making a structure-function claim must carry the disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

That disclaimer is not legal boilerplate to skim past. It is the regulatory system telling you directly that nobody has assessed the claim above it.

What GMP certification does and does not mean

Good Manufacturing Practice standards govern how a facility operates: cleanliness, process controls, record-keeping, testing procedures, contamination prevention. Compliance is required, and it matters.

But GMP is about manufacturing consistency, not product effect. A GMP-certified facility can reliably and hygienically produce a capsule containing an ineffective dose of an irrelevant ingredient. "Manufactured in a GMP-certified facility" tells you the capsule contains what the label says, made cleanly. It says nothing about whether what the label says is worth taking.

Where third-party testing fits

Independent verification programmes — organisations that test finished products for identity, potency and contaminants — provide something the regulatory framework does not. A product carrying independent verification has had a third party confirm that the panel matches the contents.

This is voluntary and costs the manufacturer money, which is precisely why its presence is meaningful. It is one of the more reliable quality signals available in the category.

What this means for you as a buyer

The framework places the evaluation burden on the consumer. Nobody has vetted the efficacy claim before you read it. That is not a scandal — it is the system working as designed, and the design reflects a deliberate policy choice about access and consumer autonomy.

Practically, four things follow. Read the panel rather than the sales copy. Look up ingredient doses yourself. Treat the disclaimer as a statement of fact rather than a formality. And favour products that disclose amounts and carry independent testing, because in a system without pre-market review, voluntary transparency is the closest available substitute.

Frequently asked

Can supplements claim to treat a disease?

No. Disease claims are prohibited for dietary supplements. A product may make structure-function claims such as 'supports memory' but may not claim to treat, prevent, cure or diagnose any condition. Any product claiming to prevent or reverse cognitive decline is making a claim it is not permitted to make.

Does GMP certification mean a supplement works?

No. GMP standards govern manufacturing quality — cleanliness, consistency, testing and record-keeping. They confirm that the product contains what the label states, made under controlled conditions. They say nothing about whether the formula produces any effect.

Who checks that supplements are safe?

The manufacturer carries that responsibility. The FDA acts largely after products reach market, responding to adverse event reports, inspections and complaints. There is no pre-market approval process for supplements as there is for prescription drugs.

MemoHoneyStore Research Desk Consumer research · verified August 2026

We check every dose, price and policy statement against the product label, the official order page and the published return policy before it goes live — and we say so plainly when a figure is not disclosed. Spotted something out of date? Send us a correction.

Medical disclaimer. This article is general information for adults, not medical advice. These statements have not been evaluated by the Food and Drug Administration, and MemoHoney is not intended to diagnose, treat, cure or prevent any disease. Speak with a qualified healthcare professional before starting any supplement.

Keep reading

Related articles

See MemoHoney packages Read the full label

From $49 a bottle60-day guarantee
See Packages