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Rosiglitazone (trade name Avandia) is an antidiabetic drug in the thiazolidinedione class. It works as an insulin sensitizer, by binding to the PPAR in fat cells and making the cells more responsive to insulin. It is marketed by the pharmaceutical company GlaxoSmithKline (GSK) as a stand-alone drug or for use in combination with metformin or with glimepiride... Wikipedia

Manufacturer's Website: Not Available                                                                                                                      Average retail cost: $145/month

Pioglitazone (brand name Actos) is a prescription drug of the thiazolidinedione (TZD) class with hypoglycemic (antihyperglycemic, antidiabetic) action to treat diabetes. While pioglitazone does decrease blood sugar levels, studies on the main cardiovascular outcomes have not yielded statistically significant results... Wikipedia

Manufacturer's Website: Not Available                                                                                                                    Average retail cost: $805/month