Table 1.

Costs of Diabetes Medications, by Class

Drug/drug class	Cost of 30-day supply, range, $
Metformin	5–9
Insulin	145–650
Sulfonylureas	9–15
Pioglitazone	12–17
DPP-4 inhibitors	173–397
SGLT-2 inhibitors	432–443
GLP-1 receptor agonists	492–684

DPP-4 indicates dipeptidyl peptidase-4; GLP-1, glucagon-like peptide-1; SGLT-2, sodium-glucose cotransporter-2.

Source: Cost obtained from GoodRx based on 30-day supply.