Ultra Bon: FDA found diclofenac missing from the label

On October 23, 2026, the U.S. Food and Drug Administration advised consumers not to purchase or use Ultra Bon. FDA says the product was promoted for arthritis, pain and osteoporosis on websites including eBay and may also have been sold in stores. This is a specific safety warning, not a guess based on the product name. [1]

What FDA confirmed

FDA laboratory analysis confirmed that Ultra Bon contained diclofenac that was not listed on the product label. FDA does not identify a tested lot or a manufacturer on this notice, so do not assume the test proves that every bottle or every product with a similar name has the same formula. [1]

What a separate Mexico listing shows

A separate Mexican retailer page checked on October 27, 2026 lists “ULTRA BON (Línea Ultra Advanc3)” as a food supplement, with 30 capsules of 500 mg each, one capsule a day, a displayed price of MXN 239 instead of MXN 269, and an out-of-stock status. It claims relief for severe pain and joint injuries and says it can repair joints. The page does not establish that this particular listing or batch is the sample FDA tested. Treat the price, stock status and seller claims as facts from that separate page only. [2]

Why the hidden drug matters

FDA warns that undeclared diclofenac can raise the risk of heart attack, stroke, stomach or intestinal bleeding, ulcers and life-threatening perforation, and may interact with other medicines—especially other NSAIDs. MedlinePlus gives similar warnings for diclofenac as a medicine; it does not test Ultra Bon. [1][3]

What to do

• Do not buy or use the Ultra Bon covered by the FDA warning. Do not give it to someone else. [1]
• If you have taken a product sold as Ultra Bon, keep the package and speak promptly with a doctor or pharmacist. Tell them about other pain medicines and supplements you use; do not change prescribed treatment on your own. [1][3]
• Seek emergency care for chest pain, trouble breathing, one-sided weakness or trouble speaking. Report suspected side effects through FDA MedWatch. [1][3]

Our verdict

We do not recommend buying or using Ultra Bon: FDA testing found undeclared diclofenac and the agency advises consumers to avoid the product. The Mexican retail page is a separate listing whose link to the tested sample is unconfirmed. The evidence supports a firm product warning; it does not establish that every same-name formula is identical or that the retailer committed fraud. We found no verified evidence of telephone pressure or forced multi-pack sales.