BACKGROUND: Reumofan Plus is marketed as a natural dietary supplement for pain relief. Reumofan Plus is labeled in Spanish and promoted for treating arthritis, muscle pain, osteoporosis, bone cancer, and other conditions. The product is manufactured in Mexico by Riger Naturals and sold in some retail outlets, at flea markets, and on various internet sites. FDA has worked closely with the Mexican government on this matter. The Mexican Ministry of Health has issued a health warning to the public and ordered Riger Naturals to recall the product.

Since June 1, 2012, when FDA first warned the public about the dangers of these supplements, the agency has received reports of fatalities, stroke, severe bleeding in the gastrointestinal tract, dizziness, insomnia, high blood sugar levels and problems with liver and kidney functions,as well as corticosteroid withdrawal syndrome

via Safety Alerts for Human Medical Products > Reumofan Plus: Recall – Undeclared Drug Ingredient.