Januvia 100mg is a prescription medication containing sitagliptin, available as film-coated tablets in a pack of 28. Manufactured by MSD, this medication is used for diabetes management. Each film-coated tablet contains 100mg of sitagliptin as the active ingredient. The medication comes in a pack containing 28 tablets. As this is a prescription medication, it should only be taken under the direction and supervision of a healthcare provider.