FDA Supplement Labeling: What You Must Know About Truth in Labels

When you pick up a bottle of vitamins or herbal pills, FDA supplement labeling, the set of rules that dictate what information must appear on dietary supplement packaging. Also known as dietary supplement labeling requirements, it’s the only thing standing between honest product info and outright marketing hype. Unlike prescription drugs, supplements don’t need FDA approval before hitting shelves—but they do have to follow strict labeling rules. If a label says "supports immune health," that’s fine. If it says "cures cancer," that’s illegal. The FDA draws that line, and they’re watching.

Under FDA supplement labeling, the legal framework governing how dietary supplements are described and sold in the U.S., manufacturers must list every ingredient, its amount, and the serving size. They can’t hide active compounds under vague terms like "proprietary blend." You have a right to know exactly what you’re taking. The label must also include a "Supplement Facts" panel—just like the Nutrition Facts on food. If it’s missing, walk away. The FDA also bans claims that suggest a supplement can treat, cure, or prevent diseases. That’s drug territory. If a label says "lowers blood pressure like a pill," it’s breaking the law. And the FDA doesn’t just issue warnings—they shut down companies. In 2023 alone, over 150 warning letters went out to supplement makers for false claims, unapproved ingredients, or missing safety info.

What you won’t see on the label? Clinical trial data. Unlike drugs, supplements aren’t required to prove they work. But they are required to prove they’re safe. That’s why you’ll find disclaimers like "This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease." It’s not a loophole—it’s the law. Still, some brands push the edge. They use phrases like "clinically studied" or "doctor-recommended" without proof. That’s where you need to dig deeper. Check for third-party testing seals (NSF, USP, ConsumerLab), look up the brand’s history, and avoid anything promising overnight results.

When you understand FDA supplement labeling, the legal framework governing how dietary supplements are described and sold in the U.S., you stop guessing and start choosing wisely. You’ll spot red flags faster—like exaggerated claims, missing ingredient lists, or labels that look more like a drug ad than a supplement bottle. And you’ll know when a product is following the rules, not just trying to fool you.

Below, you’ll find real-world examples of how supplement labeling intersects with medication safety, drug interactions, and regulatory enforcement. From green tea extract hiding in weight-loss pills to theophylline interactions nobody warns you about, these articles show you how labels matter—not just for what’s written, but for what’s left out.