Sitagliptin is a commonly prescribed medicine in the UK, used for type 2 diabetes. If you have just been prescribed sitagliptin, this page explains what it is, the brands and strengths it comes in, how to take it, and how to have it dispensed and delivered free on the NHS with PillSorted.
This content has been medically reviewed and approved by Zeinab Ardeshir (GPhC 2075730), Superintendent Pharmacist at PillSorted (GPhC-registered online pharmacy 9011258). Last reviewed: 14 July 2026.
What is sitagliptin?
Sitagliptin is a DPP-4 inhibitor for type 2 diabetes. It helps your body make more insulin when your blood sugar is high.
Brands and strengths
Sitagliptin is the name of the active ingredient. In the UK it is sold as generic sitagliptin and under the brand name Januvia — both contain the same active ingredient and work the same way. Common strengths:
- Sitagliptin 25 mg tablets
- Sitagliptin 50 mg tablets
- Sitagliptin 100 mg tablets
- UK brand: Januvia
What sitagliptin is used for
- Type 2 diabetes
How to take sitagliptin
Usually taken once a day, with or without food. Always follow your prescriber’s instructions (BNF).
Side effects
Generally well tolerated. Tell a clinician promptly about severe or ongoing tummy pain, which needs checking. This is not a full list — see the patient information leaflet (BNF).
Sitagliptin: frequently asked questions
Yes. Januvia is the brand name for sitagliptin; the generic is the same active ingredient.
On its own it rarely causes hypos, but the risk rises if combined with a sulfonylurea or insulin.
Yes. If you have an NHS prescription for sitagliptin, you can nominate PillSorted as your NHS pharmacy and we will dispense and deliver it to your door for free.
Get your sitagliptin delivered free on the NHS
If you have an NHS prescription for sitagliptin, PillSorted dispenses and delivers it to your door — completely free. Nominate PillSorted as your NHS pharmacy once, and we take care of your repeat prescriptions from then on.
What you get
- Free delivery, every time — your medicine posted to your door, always free.
- Your whole family, one account — manage everyone’s prescriptions in one place.
- Real pharmacists, every prescription — every order checked by our UK pharmacist team.
How it works
- Choose PillSorted as your NHS pharmacy
- We collect your prescription from your GP
- Your medication is delivered free to your door
Sources: NICE; BNF — Sitagliptin.
This page is for general information only and is not a substitute for advice from your GP or pharmacist. Always take your medicine exactly as prescribed. For advice about your own health, consult a clinician.