Ultra Bon FDA Warning: Hidden Diclofenac Found

Key takeaways: On October 23, 2026, the FDA advised consumers not to purchase or use Ultra Bon, a product sold for arthritis, pain, and osteoporosis. FDA laboratory analysis found diclofenac, a prescription strength pain drug, that was not listed on the product label. This is a warning, not a recall, and the notice names no manufacturer, no lot, and no dose. Anyone who has this product should not use it and should talk to a doctor or pharmacist, especially before taking any other pain reliever.

Contents:

The photos in this article are illustrative. The FDA notice describes no packaging for Ultra Bon, so no photo here claims to show the actual product.

What the FDA found

On October 23, 2026, the U.S. Food and Drug Administration (FDA) published a public notification about Ultra Bon. The FDA advised consumers not to purchase or use the product.

Ultra Bon is promoted and sold for arthritis, pain, and osteoporosis. The FDA says it is sold on various websites, including ebay.com, and possibly in some retail stores.

FDA laboratory analysis confirmed that Ultra Bon contains diclofenac that is not listed on the product label. Diclofenac is a nonsteroidal anti-inflammatory drug (NSAID), the same class of drug as ibuprofen and naproxen.

The problem is not diclofenac itself. Diclofenac is a real, approved prescription medicine when a doctor prescribes it at a known dose. The problem is a hidden dose in a product that does not admit it is there.

A buyer cannot check the dose, cannot spot a double dose with another pain reliever, and cannot warn a doctor about a drug the label never mentions. That is why the FDA treats hidden drug ingredients as a safety problem, even when the drug itself is familiar.

What is still unknown about Ultra Bon

The FDA notice is short, and it leaves several basic questions unanswered. This article states those gaps plainly rather than filling them in.

What the notice says	What the notice does not say
Product name: Ultra Bon	Manufacturer or seller name
Sold for arthritis, pain, and osteoporosis	Lot numbers or expiration dates
Sold on various websites, including ebay.com, and possibly in some retail stores	The amount of diclofenac in each dose
FDA lab analysis found diclofenac not on the label	What the product looks like, or its form (tablet, capsule, or powder)
Consumers should not purchase or use it	Any adverse events linked to this product
Report problems to FDA MedWatch	Return or refund instructions

Because no dose is stated, no one can say whether a single dose of Ultra Bon equals a small prescription dose or a large one. Do not guess. Treat any amount as unknown.

Because no manufacturer is named, there is no company contact in the notice to ask about a refund. The FDA notice is a do not use warning, not a company recall with return instructions.

Illustration of a supplement bottle examined with a magnifying glass, showing a hidden capsule inside

Why hidden diclofenac is dangerous

Diclofenac carries the same boxed warnings as other prescription NSAIDs. The FDA notice names three danger areas: serious heart problems, serious stomach and intestinal problems, and interactions with other medicines.

On the heart side, NSAIDs can increase the risk of heart attack and stroke. The risk rises with longer use and in people who already have heart disease.

On the stomach side, NSAIDs can cause bleeding, ulcers, and life threatening tears in the stomach or intestinal lining. The official medication guide warns that ulcers and bleeding can happen without warning symptoms and may cause death.

The risk of an ulcer or bleeding is higher in older adults, in people who smoke or drink alcohol, in people in poor health, and in people who also take corticosteroids or blood thinners. Longer use and higher doses also raise the risk.

Danger	What the evidence says
Heart attack and stroke	Risk rises with longer use and in people with heart disease; Mayo Clinic notes the risk climbs with longer use and higher doses
Stomach bleeding and ulcers	Can occur without warning and may cause death; risk higher in older adults and with blood thinners, steroids, smoking, or alcohol
Kidney and blood pressure problems	Listed as serious side effects in the diclofenac medication guide, along with fluid retention and heart failure from swelling
Double dosing	A hidden NSAID can stack on top of a prescribed or over the counter NSAID, so the total dose is higher than anyone intended

The double dose problem is the one that matters most for older adults. Many people with arthritis already take a prescribed NSAID, an over the counter pain reliever, a blood thinner, or a blood pressure medicine.

Adding a hidden NSAID on top of those medicines can raise the total drug load without anyone knowing. The FDA notice warns specifically that diclofenac can interact with other medications, especially other NSAID containing products, and may significantly increase the risk of serious side effects.

Heart disease or a past heart attack: NSAID risk is highest in people with established cardiovascular disease, so a hidden NSAID is a particular concern for this group.
Blood thinners or steroids: Taking an NSAID alongside an anticoagulant or a corticosteroid raises the chance of stomach bleeding.
Past ulcers or stomach bleeding: A history of ulcers or bleeding is a listed risk factor for a repeat bleed on an NSAID.
Kidney disease or high blood pressure: NSAIDs can worsen kidney function and raise blood pressure, so people with either condition should be extra careful about any product that might secretly contain one.
Age over 65: Older age itself is a listed risk factor for NSAID related ulcers and bleeding, which is why this warning matters most to the readers of this site.

Get emergency help right away for chest pain, shortness of breath, weakness on one side of the body, slurred speech, or swelling of the face or throat. Stop the product and call a doctor right away if you vomit blood, see blood in your stool, notice black and sticky stools, or develop stomach pain, yellowing skin or eyes, or unusual swelling.

This is general safety information about NSAIDs, not a diagnosis. If you are unsure whether a symptom is related to a product you took, talk to a doctor or pharmacist promptly rather than waiting to see if it passes.

If you already bought or used Ultra Bon

Do not use the product. That is the FDA advice, and it is the safest reading of a notice where the dose is unknown.

Keep the container and any packaging if you still have it. A doctor or pharmacist may want to see exactly what you took, and a lot number or seller name on the packaging could help investigators even though the FDA notice names none.

Tell your doctor or pharmacist that you took a product now found to contain hidden diclofenac. Bring a list of every other medicine you take, including over the counter pain relievers, blood thinners, blood pressure medicines, and steroids.

Do not stop a prescribed medicine because of this warning. If a doctor prescribed you diclofenac or another NSAID, that prescription is a separate decision at a known dose. Ask your doctor before changing any prescribed medicine.

Report any side effect to the FDA MedWatch program. The FDA notice gives two routes: complete and submit the report online through the MedWatch online voluntary reporting form, or download and complete the form and fax it to 1-800-FDA-0178.

Older adult reading the small print on a supplement bottle label at a kitchen table

How to spot hidden drug arthritis products

Ultra Bon is not an isolated case. The FDA keeps a running list of pain and arthritis products found to contain hidden ingredients, and Ultra Bon is the newest entry on that list, dated October 23, 2026.

A JAMA Network Open analysis of FDA data counted 776 dietary supplements found to contain undeclared drugs between 2007 and 2016. Hidden ingredients are a pattern in this market, not a one time accident.

FDA notice date	Product	Hidden ingredient found
October 23, 2026	Ultra Bon	Diclofenac
August 25, 2026	Qu Feng Huo Luo Dan	Listed on the FDA pain and arthritis hidden ingredients page
February 26, 2026	ULTRA ADVANC3 and ULTRA ADVANC3 GOLD	Dexamethasone, diclofenac, and methocarbamol

Do not confuse Ultra Bon with ULTRA ADVANC3. The names sound similar, but they are different products with different FDA notices. Similar names are a real source of confusion in this market, so check the exact product name before acting on any warning.

Related reading on this site: our ArtiZynt review covers an arthritis capsule sold with no named ingredients at all, and our Arthryon review covers a topical arthritis cream whose label disclosed only a trace amount of camphor. Both show the same lesson from different angles: when a product will not say what is in it, buyers cannot judge whether it is safe.

Promises that sound like drug claims: A product sold as a supplement that promises to treat arthritis, pain, or osteoporosis is already a red flag. Supplements are not approved to treat disease.
Fast or dramatic relief with no ingredient list: Strong pain relief from a product that names no active drug ingredient should raise suspicion, not confidence.
Sold mainly online or in small shops: The FDA notes that these products are often sold on websites and in some retail stores, outside normal pharmacy checks.
"All natural" marketing: The FDA warns that these products are often represented as all natural. A natural label does not rule out a hidden prescription drug.
No manufacturer, no address, no lot number: A product that hides who made it is harder to trace, harder to recall, and harder to hold accountable.

Before trying any new supplement, check it against our supplement interactions guide and our supplement dosage guide, and talk to your doctor or pharmacist about how it fits with your current medicines.

Safer ways to handle arthritis pain

No supplement in this article is recommended as a treatment for arthritis. The strongest recommendations in the guidelines the National Center for Complementary and Integrative Health (NCCIH) summarizes are not pills at all.

For osteoarthritis of the knee, hip, or hand, the American College of Rheumatology guidelines strongly recommend aerobic exercise, strength training, weight loss if overweight, and tai chi. Those are the approaches with the strongest backing.

For dietary supplements, the picture is far weaker. NCCIH notes that the preponderance of evidence on glucosamine and chondroitin indicates little or no meaningful effect on pain or function, and guidelines recommend not using them for osteoarthritis.

That does not mean every supplement is useless, and it does not mean pain must simply be endured. It means the honest starting point is a conversation with a doctor about proven options, including prescribed medicines at known doses, physical therapy, and weight and activity plans.

If a doctor does prescribe an NSAID, the official guidance is to use it exactly as prescribed, at the lowest dose that works, for the shortest time needed. A hidden NSAID breaks every part of that rule, because the dose is unknown and the duration is uncontrolled.

Pharmacist talking with an older adult patient across a pharmacy counter

What this warning is not

This warning is not a recall. No company has announced a recall of Ultra Bon in the FDA notice, and no return or refund route is given.

This warning is not proof that anyone was harmed by Ultra Bon. The notice reports no adverse events and no illnesses linked to this product. The danger is the hidden drug and the unknown dose, not a counted injury toll.

This warning is not a verdict on every arthritis supplement. It is a finding about one named product, confirmed by FDA laboratory analysis. Other products must be judged on their own labels and their own evidence.

Finally, this warning is not a reason to stop prescribed pain medicine. Prescribed diclofenac, taken at a known dose under a doctor's care, is a different situation from an undeclared drug in an unregulated product. If you are unsure which situation you are in, a pharmacist can sort it out from the actual containers you hold.

Sources

Fact-checked by the SupplementDecoded Research Editorial Team

Ultra Bon FDA Warning: Hidden Diclofenac in Arthritis Product