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Treatments for Weight Loss

Choose your treatment

Mounjaro vs Wegovy vs Foundayo — full price list

Complete your free 2-minute assessment first, then choose your treatment and strength and pay securely. A UK-registered prescriber reviews every order before it’s dispatched.

Mounjaro® (Tirzepatide)

Once-weekly dual GLP-1 & GIP injection

At a glance

  • Dual-action GLP-1 + GIP receptor agonist
  • Up to ~22.5% average body weight reduction in trials
  • Once-weekly injection · 6 strengths (2.5–15mg)
  • Often chosen for higher weight-loss goals
  • From £129/month - fixed price

How it works

Mounjaro (tirzepatide) is the first dual agonist - it activates both the GLP-1 and GIP gut-hormone receptors. Together these reduce appetite and 'food noise', slow gastric emptying so you feel fuller for longer on smaller portions, and improve insulin sensitivity and blood-sugar control. It is a prescription-only medicine used alongside a reduced-calorie diet and increased physical activity, not a replacement for them.

How effective is it?

Most patients notice reduced hunger within the first few weeks, with steady loss as the dose is titrated.

Dosing & how you take it

Once-weekly injection from a simple pre-filled KwikPen, on the same day each week, at any time of day, with or without food. You start low at 2.5mg for 4 weeks to reduce side effects, then step up gradually - 5, 7.5, 10, 12.5 and up to 15mg - only under clinician guidance based on tolerance and response. Store in the fridge (2–8°C); it can be kept at room temperature for a limited period before use.

Key benefits

  • Reduces hunger, cravings and 'food noise'
  • Improves blood sugar, insulin resistance and cardiometabolic health
  • Once-weekly injection with a simple pre-filled pen

Possible side effects

  • Nausea, especially when increasing dose (usually settles)
  • Constipation or diarrhoea
  • Reduced appetite, indigestion, burping
  • Injection-site reactions (usually mild)

Important safety information

  • Not for use in pregnancy, when trying to conceive, or breastfeeding
  • Avoid with a personal/family history of medullary thyroid cancer or MEN2
  • Tell your clinician about pancreatitis, gallbladder or severe gut conditions
  • May reduce absorption of oral contraceptives - use extra precautions when starting/increasing dose
  • Seek urgent help for severe, persistent abdominal pain (possible pancreatitis)

Who it's for

For adults who meet our clinical criteria for weight-loss treatment. Not suitable during pregnancy/breastfeeding or with certain thyroid conditions. A UK-registered clinician reviews your full history and confirms suitability before prescribing.

Start free assessment

Wegovy® (Semaglutide)

Once-weekly GLP-1 injection · NHS-approved for weight loss

At a glance

  • Single-action GLP-1 receptor agonist
  • Up to ~15% average body weight reduction in trials
  • Once-weekly injection or new once-daily oral tablet
  • The only GLP-1 fully NHS-approved for weight loss
  • From £83/month - fixed price

How it works

Wegovy (semaglutide) mimics the GLP-1 hormone your gut naturally releases after eating. It acts on appetite centres in the brain to lower hunger and cravings and slows stomach emptying, so you feel satisfied for longer and naturally eat less. It is prescribed alongside a healthy, reduced-calorie diet and more physical activity.

How effective is it?

Wegovy is NHS-approved for weight management and one of the most extensively studied weight-loss medicines worldwide.

Dosing & how you take it

Once-weekly injection on the same day each week, any time of day, with or without food. Dose is titrated over ~16–20 weeks: 0.25mg → 0.5mg → 1mg → 1.7mg → 2.4mg maintenance (with a 7.2mg option for some patients), stepping up roughly every 4 weeks as tolerated. Store in the fridge (2–8°C) before first use. Safe to use alongside the contraceptive pill.

Key benefits

  • Fully NHS-approved for weight management
  • Reduces hunger and cravings from the first weeks
  • One of the most studied weight-loss medications worldwide
  • Safe to use alongside the contraceptive pill

Possible side effects

  • Nausea (usually settles over time)
  • Constipation or diarrhoea
  • Headache or tiredness
  • Injection-site reactions (usually mild)

Important safety information

  • Not for use in pregnancy, when trying to conceive, or breastfeeding
  • Avoid with a personal/family history of medullary thyroid cancer or MEN2
  • Tell your clinician about pancreatitis or gallbladder disease
  • Seek urgent help for severe, persistent abdominal pain

Who it's for

For adults who meet our clinical criteria for weight-loss treatment. Not suitable during pregnancy/breastfeeding. A UK-registered clinician reviews your history before prescribing and supports you with free monthly reviews.

Start free assessment

Foundayo® (Orforglipron) - Oral GLP-1 tablet

Available now · once-daily non-peptide oral GLP-1 · MHRA-approved Aug 2026

At a glance

  • Next-generation non-peptide oral GLP-1
  • ~11–12% average body weight reduction in trials
  • Once-daily tablet - no food or water timing rules
  • The UK’s newest option · MHRA-approved Aug 2026
  • From £83/month - fixed price

How it works

A once-daily non-peptide GLP-1 tablet with no food or water timing restrictions - the UK's newest oral weight-loss treatment.

Key benefits

  • Once-daily tablet - completely needle-free
  • No food or water timing restrictions
  • From £83 - fixed price, bundles on every strength

Possible side effects

  • GLP-1 class effects such as nausea, especially early on
  • Constipation or diarrhoea
  • Reduced appetite
  • Clinician-supervised titration

Who it's for

Available to order now at Slinic from £83 - no subscription, no contract. For adults who meet the clinical criteria and prefer a needle-free option; suitability confirmed by a UK clinician during your free consultation.

Start free assessment

Wegovy® Oral (Semaglutide tablet)

Daily oral semaglutide · needle-free · same proven active

How it works

A daily tablet form of semaglutide - the same GLP-1 active as the Wegovy injection. Taken on an empty stomach with a little water, it reduces appetite and cravings without the need for injections.

Key benefits

  • Needle-free daily tablet
  • Same active ingredient as Wegovy injection
  • Titrated dose under clinician supervision
  • Ideal if you prefer to avoid injections

Possible side effects

  • Nausea, especially early on
  • Constipation or diarrhoea
  • Reduced appetite
  • Must be taken exactly as directed for absorption

Who it's for

For adults who meet the clinical BMI criteria and prefer an oral option. Suitability confirmed by a UK clinician during your consultation.

Start free assessment

Fixed prices · per pen (4 weekly doses) or 30-tablet pack · subject to consultation and clinical approval · monthly checks included.

Pharmacy Shop

Helpful extras for your treatment

Pen needles, swabs and a sharps bin for your injections, plus everyday pharmacy medicines for heartburn, indigestion, upset stomach and constipation.

Insupen Original Pen Needles

4mm / 32G · 100 needles · Medical device / accessory

£5.49

Add to basket

Alcohol Pre-Injection Swabs

70% IPA · 100 individually wrapped · Accessory / single-use swabs

£3.99

Add to basket

Sharpsafe Sharps Bin 1 Litre

Yellow lid · 1 litre · Accessory / sharps container

£2.99

Add to basket

O.R.S Hydration Tablets Blackcurrant

12 soluble tablets · Food supplement

£5.99

Add to basket

Gaviscon Original Peppermint Tablets

24 chewable tablets · GSL medicine · ages 12+

£4.99

Add to basket

Pepto-Bismol Liquid

120ml · GSL medicine · age 16+

£4.99

Limited to 1 per order

Add to basket

Imodium Original 2mg Capsules

6 capsules · GSL medicine · age 12+

£3.99

Limited to 1 per order

Add to basket

Senokot 7.5mg Tablets Adult

20 tablets · GSL medicine · adults 18+

£3.99

Limited to 1 per order

Add to basket

Checked out separately from your treatment, with £4.99 tracked delivery · Sent from our GPhC-registered pharmacy · Always read the label.

New to Slinic Switching Providers Switching Treatments What Strength to Order

New to Slinic

Starting your first treatment

First time using weight loss injections or tablets? Always begin at the lowest dose — we'll guide you the whole way.

Injections: start with Mounjaro 2.5 mg or Wegovy 0.25 mg. Tablets (needle-free): start with the Wegovy tablet 1.5 mg or Foundayo 0.8 mg. Your prescriber confirms the right option during your free consultation.

  1. 1
    Complete your free 2-minute assessment →

    Tell us about your current treatment, dose, and how long you've been on it. Reviewed personally by our clinical team.

  2. 2

    Choose your dose

    Switching patients order the same dose they're currently on, or the next dose up if well tolerated. Your prescriber confirms during your consultation.

  3. 3

    10-minute consultation

    A UK-registered prescriber reviews your assessment, checks your current dose, side effects and progress before prescribing.

  4. 4

    Prescription issued & dispatched

    Once approved, your medication is dispatched within 24 hours in discreet packaging. No subscriptions, no tie-ins, no hidden fees.

Switching Providers

How do I switch to Slinic from my current provider?

Order the same dose you're currently on, or the next dose up if well tolerated. Our clinical team makes your switch safe, appropriate and seamless.

  1. 1
    Complete your free 2-minute assessment →

    Tell us about your current treatment, dose, and how long you've been on it. Reviewed personally by our clinical team.

  2. 2

    Choose your dose

    Switching patients order the same dose they're currently on, or the next dose up if well tolerated. Your prescriber confirms during your consultation.

  3. 3

    10-minute consultation

    A UK-registered prescriber reviews your assessment, checks your current dose, side effects and progress before prescribing.

  4. 4

    Prescription issued & dispatched

    Once approved, your medication is dispatched within 24 hours in discreet packaging. No subscriptions, no tie-ins, no hidden fees.

Start your free 2-min assessment

Switching Treatments

Switching between treatments

Moving between Mounjaro, Wegovy and the oral tablets? These are the dose equivalences our prescribers work from — your consultation confirms the right step for you.

Mounjaro → Wegovy
Current Mounjaro doseEquivalent Wegovy dose
2.5 mg 0.5 mg
5 mg 1 mg
7.5 mg 1.7 mg
10 mg 2.4 mg
12.5 mg 2.4 mg
15 mg 2.4 mg
Wegovy → Mounjaro
Current Wegovy doseEquivalent Mounjaro dose
0.25 mg 2.5 mg
0.5 mg 2.5 mg
1 mg 2.5 mg
1.7 mg 2.5–5 mg
2.4 mg 5–7.5 mg
Injection → Foundayo tablet Needle-free
Current injection doseEquivalent Foundayo tablet
weight loss treatment 2.5–5 mg Start Foundayo 0.8–2.5 mg
weight loss treatment 7.5–15 mg Start Foundayo 5.5–9 mg
weight loss treatment injection 0.25–1 mg Start Foundayo 0.8–2.5 mg
weight loss treatment injection 1.7–2.4 mg Start Foundayo 5.5–9 mg
weight loss treatment tablet 1.5–4 mg Start Foundayo 2.5 mg
weight loss treatment tablet 9–25 mg Start Foundayo 5.5–9 mg

Equivalences are a guide for your prescriber, not a self-titration instruction. Never change your own dose without clinical advice.

Reorder Slinic Customer

What dose do I need to order?

Use this guide to choose the right strength for your situation. Still unsure? Your prescriber will advise during your consultation.

New patient

First time using weight loss treatment

Start at the lowest strength — Mounjaro 2.5 mg or Wegovy 0.25 mg injections, or the Wegovy 1.5 mg / Foundayo 0.8 mg tablets.

Currently on treatment

Still within your plan

Order the same strength, or the next strength up if well tolerated.

Gap of less than 4 weeks

Short break

Order the same strength, or the next strength up.

Gap of 4–8 weeks

Medium break

Order one strength lower than your previous dose.

Gap of more than 8 weeks

Extended break

Restart at the lowest dose and titrate up again.

Ready to reorder?
Exclusive offer

Free Success Starter Pack with your first order

Kickstart your transformation with our exclusive starter pack, designed to set you up for success.

  • FREE tape measure
  • Instruction booklet
  • Sterile needles & swabs
  • Sharps disposal bin
Check your eligibility in 2 minutes
Slinic Success Starter Pack

GPhC Regulated Pharmacy · Reg No. 1033729 · Award-winning pharmacist-led care · Founder GPhC 2052119

Transparent pricing

Compare our prices by strength

Slinic's fixed prices against the UK's leading providers, by strength.

Mounjaro® Injection Slinic Boots Voy Juniper
2.5mg £129 £176.97 £209 £199
5mg £155 £198.68 £215 £209
7.5mg £206 £253.42 £259 £255
10mg £230 £267.26 £289 £267
12.5mg £247 £302.01 £309 £305
15mg £267 £319.14 £329 £319
Wegovy® Injection Slinic Boots Voy Juniper
0.25mg £83 £129 £135 £129
0.5mg £93 £129 £145 £129
1mg £93 £149 £155 £149
1.7mg £144 £185 £199 £189
2.4mg £196 £229 £239 £229
7.2mg £350 — — —
Wegovy® Oral Tablets Slinic Boots MedExpress
1.5mg £92 £99 £100
4mg £104 £119 £119
9mg £119 £149 £159
25mg £164 £229 £199
Foundayo® Tablets Slinic Asda Morrisons Phlo
0.8mg £83 £87.97 £89 £89
2.5mg £93 £107.97 £119 £119
5.5mg £93 — £119 £119
9mg £112 — — —
14.5mg £140 — £199 £199
17.2mg £140 — £199 £199

Competitor prices are indicative and may change. Slinic prices are fixed.

FAQs

Treatment questions, answered

How much does Mounjaro cost in the UK?
Mounjaro (tirzepatide) at Slinic starts from £129 for the 2.5mg dose, rising to £267 for 15mg — fixed prices with no subscription and no hidden fees. As an NHS-contracted, GPhC-registered pharmacy, we offer transparent pricing that's among the lowest in the UK, with free clinical assessment and discreet tracked delivery from £4.99.
How much does the Wegovy pill (oral semaglutide) cost in the UK?
The oral Wegovy tablet at Slinic starts from £92, the same fixed price as our Wegovy injection, with no subscription or tie-in contract. Oral semaglutide was approved by the MHRA in June 2026 as a needle-free, once-daily alternative — our UK pharmacist-led team can assess whether the tablet is clinically appropriate for you.
Is there a Wegovy tablet, and when is it available?
Yes — the Wegovy tablet (oral semaglutide) is a once-daily, needle-free form of the same active ingredient as the Wegovy injection, available in the UK following MHRA approval in June 2026. At Slinic, the oral tablet starts from £92, and our clinicians will advise whether it suits your medical history, treatment goals and lifestyle.
What is Mounjaro and how does it work for weight loss?
Mounjaro (tirzepatide) is a prescription-only weight loss medication that reduces appetite and increases feelings of fullness, helping many patients consume fewer calories. Prescribed by our pharmacist-led team from £129 (fixed price), it's used alongside healthy eating and increased physical activity as part of a medically supervised programme.
What is Wegovy and how does it compare to Mounjaro?
Wegovy (semaglutide) and Mounjaro (tirzepatide) are both prescription-only weight loss medications available in the UK; they work slightly differently and may suit different patients. Wegovy starts from £83 and Mounjaro from £129 at Slinic — our UK clinical team recommends the most appropriate treatment following your assessment, with no subscription required.
Is Mounjaro or Wegovy available on the NHS?
Mounjaro and Wegovy injections are available on the NHS, but only through specialist weight management services with strict eligibility criteria and long waiting lists. The oral Wegovy tablet is not yet available on the NHS (a NICE review is unlikely to conclude before 2027). Slinic offers private access to both, with fixed pricing, free eligibility assessment and no waiting list.
Can I switch from Wegovy to Mounjaro?
Yes — many patients switch from Wegovy to Mounjaro after reviewing their progress with a clinician. At Slinic, we review your current medication, previous dose and treatment history before recommending the safest way to switch, with no subscription or switching fee.
Can I switch to Slinic from another weight loss provider?
Yes — if you're already receiving treatment elsewhere, our clinical team can assess whether you're suitable to continue your medication with Slinic. We review your treatment history and recommend the appropriate dose before prescribing, and because our prices are fixed with no subscription, switching often costs less than staying on a monthly plan.
What are the most common side effects of Mounjaro and Wegovy?
The most common side effects of Mounjaro and Wegovy are nausea, constipation, diarrhoea, vomiting and reduced appetite, which usually improve as your body adjusts to treatment. Slinic clinicians provide ongoing monthly clinical support to help you manage side effects safely, included at no extra cost.
What happens if I miss a dose or stop treatment?
If you miss doses or take a break, you may need to restart at a lower dose depending on how long you've been off medication. Our clinicians will review your history and advise the safest way to restart — part of the ongoing clinical support included with every Slinic treatment.
Which Mounjaro or Wegovy dose should I choose?
The right dose depends on whether you're starting treatment, continuing, or switching from another provider. Our UK prescribers review your clinical assessment and recommend the safest dose for your circumstances — you don't choose alone, and there's no cost to the review.
How quickly will I receive my medication?
Once approved by our UK pharmacist-led team, your medication is usually dispatched within 24 hours in discreet, tracked packaging. Slinic offers fast, confidential UK delivery from £4.99 with no subscriptions and no hidden fees.
Why choose Slinic for weight loss treatment?
Patients choose Slinic for award-winning clinical expertise at fixed prices with no subscription — Mounjaro from £129 and Wegovy from £83. As an NHS-contracted, GPhC-registered and LegitScript-certified pharmacy, we offer free eligibility assessments, pharmacist-led prescribing, consultations, ongoing monthly clinical support, and discreet tracked UK delivery.
Is prescription weight loss treatment safe?
Prescription weight loss medication is safe when used under the supervision of a qualified healthcare professional. Every Slinic patient completes a clinical assessment led by a registered UK pharmacist prescriber, and treatment is prescribed only when it's considered safe and appropriate for you.
Am I eligible for weight loss treatment?
Eligibility for weight loss medication typically depends on your BMI and medical history, and is confirmed through a free clinical assessment. Slinic's UK prescribers check whether treatment is safe and right for you — not just whether you meet the BMI threshold — and will advise on suitable alternatives if it isn't appropriate.
Can I buy Mounjaro or Wegovy online in the UK?
Yes — you can buy Mounjaro and Wegovy online from Slinic, a GPhC-registered UK pharmacy, following a free online clinical assessment. Only ever buy from a GPhC-registered pharmacy that requires a valid prescription; Slinic is also LegitScript-certified and NHS-contracted, with fixed prices and no subscription.
What weight loss treatments are available at Slinic?
Slinic offers a full range of clinically approved weight loss treatments, including Mounjaro (from £129), Wegovy injections (from £83), the oral Wegovy tablet (from £83) and Orlistat (£39.99). Every treatment includes ongoing clinical support, treatment reviews and personalised care from our UK pharmacist-led team.

Your first step

Take the first step towards better health — at your own pace.

Find out if clinician-led treatment is right for you. The free assessment takes just two minutes.

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