Weight Loss Injection UK
Weight loss injections are available in the UK through private prescription from registered healthcare providers. The main options are Wegovy (semaglutide), Mounjaro (tirzepatide), and Saxenda (liraglutide). The Online GP at The Wellness offers weight loss consultations from £95 with ongoing medical support.
Weight Loss Injections Available in UK 2026
Wegovy (Semaglutide)
How it works: Mimics GLP-1 hormone to reduce appetite and increase fullness.
Results: Average 15-17% body weight loss in clinical trials.
Dosing: Once weekly injection, titrated from 0.25mg to 2.4mg over 16 weeks.
Cost: £139-287/month depending on dose.
Best for: BMI 30+ or BMI 27+ with weight-related conditions.
Mounjaro (Tirzepatide)
How it works: Dual action—mimics both GLP-1 and GIP hormones.
Results: Average 20-22% body weight loss in clinical trials (highest of all options).
Dosing: Once weekly injection, titrated from 2.5mg to 15mg.
Cost: £159-299/month depending on dose.
Best for: Those seeking maximum weight loss, BMI 30+ or 27+ with conditions.
Saxenda (Liraglutide)
How it works: GLP-1 receptor agonist, similar to Wegovy but daily dosing.
Results: Average 8-10% body weight loss.
Dosing: Daily injection, titrated to 3mg.
Cost: £180-220/month.
Best for: Those who prefer daily routine, or if semaglutide isn't suitable.
How to Get Weight Loss Injection in UK
Option 1: Private GP Consultation (Fastest)
Book a consultation with a private GP who can assess your eligibility and prescribe.
The Online GP offers:
Doctor consultation: From £95
Full medical assessment
Prescription if suitable
Ongoing support and monitoring
In-person or video consultations
Option 2: NHS (Long Wait)
Available through NHS specialist weight management services. Typical wait: 6 months to 2+ years depending on area.
Am I Eligible?
You may be eligible for weight loss injections if:
BMI 30 or above (obese), OR
BMI 27 or above with weight-related health condition:
Type 2 diabetes or prediabetes
High blood pressure
High cholesterol
Sleep apnoea
Cardiovascular disease
You're NOT eligible if:
Pregnant or breastfeeding
History of medullary thyroid cancer
Multiple endocrine neoplasia syndrome type 2
History of pancreatitis
Severe gastrointestinal disease
Wegovy vs Mounjaro vs Saxenda
Most effective: Mounjaro (20-22% weight loss)
Most established: Wegovy (extensive clinical data)
Most affordable: Saxenda (often cheapest monthly cost)
Once weekly: Wegovy, Mounjaro
Daily injection: Saxenda
Our recommendation: Mounjaro or Wegovy for most patients seeking significant weight loss. Your doctor will advise based on your medical history.
Side Effects
Common (usually temporary):
Nausea (most common, usually improves)
Vomiting
Diarrhoea or constipation
Abdominal pain
Headache
Serious (rare):
Pancreatitis
Gallbladder problems
Hypoglycaemia (if diabetic)
Side effects typically reduce as your body adjusts. Starting with low doses and titrating slowly minimises problems.
Cost Comparison
Monthly costs (approximate):
Wegovy: £139-287
Mounjaro: £159-299
Saxenda: £180-220
Consultation: From £95 (one-off)
Total first year cost: £1,800-3,500 depending on medication choice
Book Weight Loss Consultation
Ready to start? Get medical advice on whether weight loss injections are right for you.
The Online GP at The Wellness. GMC-registered doctors. In-person (Marylebone) or video consultations.
FAQ
Can I get Wegovy on the NHS? Yes, but only through specialist weight management services with significant waiting times (often 1-2+ years).
Is Ozempic the same as Wegovy? Both contain semaglutide, but Ozempic is licensed for diabetes, Wegovy for weight loss. Wegovy reaches higher doses.
How quickly will I lose weight? Most people notice reduced appetite within 1-2 weeks. Significant weight loss typically occurs over 3-6 months.
Do I need to diet and exercise too? Yes. Weight loss injections work best alongside reduced-calorie diet and increased physical activity.
The Online GP at The Wellness. Medical weight loss support from GMC-registered doctors.
