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Sibutramine: The Banned Drug Found in Diet Pills

Quick answer

Sibutramine is a weight loss drug that was removed from the U.S. market in October 2010 for safety reasons. FDA has found it hidden in products sold as natural supplements. It can raise blood pressure and heart rate. We have no sign that Trimoryn contains it, but no test of Trimoryn is published either.

Written by the Trimoryn label deskUpdated October 30, 2026 · 5 min read

Six Trimoryn capsule bottles — Brand render; it shows the product, not a result.

The drug01

What is sibutramine?

It is a prescription weight drug that left the U.S. market in October 2010 because of safety worries.

FDA says it is known to substantially raise blood pressure or heart rate in some people, and that it is a risk for anyone with a history of coronary artery disease, heart failure, arrhythmias or stroke. It may also interact with other medicines ¹.

A banned drug cannot be sold on a label. That is why it turns up only in secret, and why a buyer cannot spot it by reading the box alone.

Hidden02

How did it end up in diet pills?

Some makers add drug ingredients to a supplement and leave them off the label, so the product can work faster than a plain supplement would.

FDA explains that a weight loss product could contain sibutramine, a banned drug, yet be sold as an all-natural supplement ². One public FDA notice describes a capsule product whose lab analysis found sibutramine and another unlisted drug ¹. That notice was about a different product, not Trimoryn.

How a hidden drug differs from a listed ingredient
	Listed ingredient	Hidden drug
On the label	Yes, with an amount	No
Shown to the buyer	Yes	No
Safe to mix with your medicines	Check with a pharmacist	Unknown

Signs03

What are the warning signs for a buyer?

Be wary when a pill promises results that sound too good to be true.

Wording

Words such as all natural paired with strong effects.

Reviews

Crowds of rave reviews, which FDA flags as a warning ².

Body

Racing heart, high blood pressure, headache or trouble sleeping after you start.

If you notice a racing heart, chest pain or fainting, call 911.

Trimoryn: 30 capsules a bottle1 capsule a day, 15 to 30 minutes before a meal · price and shipping at checkout · 60-day guarantee (confirm)

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Trimoryn04

Where does Trimoryn stand?

The label lists 11 ingredient lines and none is sibutramine, but a label cannot prove what is in a bottle.

No test of Trimoryn is published that we could read, so we cannot rule out anything on our own. The batch verify page shows how to check seal, lot code and seller. FDA does not approve supplement facilities, and a facility badge is not a label statement ³.

Ask the order desk for lot-level test results in writing.
Check your bottle against the label.
Stop at the first odd reaction.

Next05

What should you do now?

Ask a pharmacist, keep taking prescribed medicine and report any problem.

Report reactions to FDA MedWatch at 1-888-463-6332. People with heart or blood pressure problems should ask a doctor before any weight supplement. This site is an authorized retailer, not the maker, and earns a commission on orders.

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Prices are per bottle for each pack; the checkout shows the final total and shipping ⁴. Check your medicines with your doctor or pharmacist before you order.

FAQ06

Trimoryn questions people ask

Is sibutramine still sold legally in the U.S.?

No. It was removed from the U.S. market in October 2010 for safety reasons.

Does Trimoryn contain sibutramine?

The label lists no sibutramine, and we found no sign of it. We also found no published test, so we cannot prove it.

Why do makers hide a drug in a supplement?

FDA says some firms add drug ingredients to avoid review and to make a product seem stronger.

Who should be most careful about hidden drugs?

People with heart disease, high blood pressure or a history of stroke, and anyone taking prescription medicine.

Who wrote this07

Written and reviewed by

Written byThe Trimoryn label deskItrimoryn, USA Authorized Trimoryn Retailer

Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.

Medically reviewed byDr. Alexis David, MD, PhysicianRole: Medical reviewerReview date: October 31, 2026

Last updated October 30, 2026. Read our editorial standards and how we check reviews. This website is the information site for a USA Authorized Trimoryn Retailer. It is not the manufacturer or the distributor named on the label. We earn money when you buy through our order links.

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Three white Trimoryn capsule bottles with white and deep-green labels