Weight Loss
Weight Loss medications can support diet and exercise efforts when prescribed appropriately. Clinically approved weight management treatments are available through Chemist Doctor after thorough consultation with UK-registered practitioners. Our solutions are part of comprehensive weight control plans.
Find Weight Loss Treatments

Mounjaro Injections

Mysimba Tablets

Orlistat Capsules

Saxenda Injection

Wegovy Injections
Assessment
Answer some questions about your health concerns & symptoms

Treatment
Connect with a clinician 100% online, no appointment needed

Delivery
Get your medication delivered directly, if prescribed

Understanding Obesity and Weight Management
If you're seeking safe weight loss solutions, Chemist Doctor offers clinically-approved treatments alongside professional medical guidance. Obesity is defined as having a body mass index (BMI) of 30 or higher - you can calculate yours using the official NHS BMI calculator.
Excess weight impacts more than just physical appearance. The National Institute for Health and Care Excellence (NICE) confirms obesity increases risks for:
- Type 2 diabetes (3x higher risk)
- Cardiovascular disease
- Joint degeneration
- Respiratory complications
Health Risks of Sustained Obesity
Public Health England reports that 63% of UK adults now fall into overweight or obese categories. Beyond chronic conditions, patients often experience:
Short-Term Effects | Long-Term Complications |
---|---|
Reduced mobility | Hypertension |
Daytime fatigue | Stroke risk |
Sleep apnoea | Liver disease |
Weight Loss Treatment Options
When lifestyle changes prove insufficient, our GMC-registered doctors may recommend:
Wegovy® (Semaglutide)
This weekly injection enhances satiety signals, helping patients reduce calorie intake naturally. Learn about Wegovy eligibility.
Orlistat Capsules
Prevents dietary fat absorption. View official dosage guidelines.
ℹ️ All medications require online consultation to ensure suitability. Always consult your NHS GP before starting any new weight management regimen.
Personalised Weight Loss Support
Our service includes:
- Discreet next-day medication delivery
- Follow-up consultations
- Lifestyle modification resources
How Weight Loss Injections Work Clinically
Prescription injectables like those available through our online clinic employ targeted biological mechanisms:
- Appetite regulation: Modulates GLP-1 receptors to enhance satiety signals
- Metabolic activation: Increases resting energy expenditure by 10-15% (NICE TA875)
- Fat oxidation: Promotes lipolysis during low-intensity activity
⚠️ Not a standalone solution - requires concurrent dietary management and physical activity as per Lancet Gastroenterology guidelines.
Mounjaro® (Tirzepatide) Dual-Action Formula
This MHRA-approved weekly injection combines:
Mechanism | Effect | Clinical Evidence |
---|---|---|
GIP/GLP-1 receptor agonism | Reduces hunger signals by 62% | SURMOUNT-1 Trial |
Adipose tissue modulation | Increases fat oxidation rate | Diabetes Care 2022;45(5):1009 |
Patients in clinical trials achieved 15-22% body weight reduction over 72 weeks when combined with lifestyle changes.
Prescription Weight Loss Capsules
Alli 60mg Capsules (Orlistat)
OTC version of Orlistat that blocks 25% dietary fat absorption. Suitable for BMI ≥28. View PIL.
Orlistat 120mg Prescription Strength
Blocks 33% fat absorption - requires:
- BMI ≥30 (or ≥28 with comorbidities)
- Low-fat diet (<30% total calories)
- Multivitamin supplementation
Xenical 120mg Capsules
Identical active ingredient to Orlistat 120mg. View NICE cost-effectiveness analysis.
Start Your Eligibility Assessment
All treatments require online consultation with a GPhC-registered prescriber.
Non-Prescription Weight Management Aids
While not medicines, some supplements may support efforts:
- XLS-Medical Fat Binder: Chitosan-based OTC product
- Glucomannan Capsules: EFSA-approved appetite suppressant
❗ Supplements are not MHRA-evaluated - always discuss with your pharmacist before use.
Weight Loss FAQs
What's the optimal exercise regimen for weight loss?
The NICE guidelines recommend:
- 150 mins moderate exercise weekly (e.g., brisk walking)
- 2 strength-training sessions weekly
Our online clinicians create personalised plans based on BMI and mobility.
Does eating before bed cause weight gain?
While calorie balance matters most, BMJ research shows late eaters consume 23% more sugar. Opt for:
- Protein-rich snacks (cottage cheese)
- High-fibre options (oatcakes)
Why is breakfast important for weight loss?
Morning meals:
- Boost metabolism by 10-15% (NIH study)
- Reduce mid-morning snacking by 40%
Try our weight loss meal plans.
What's a safe caloric deficit?
The NHS recommends:
- Men: ≥1,500 kcal/day
- Women: ≥1,200 kcal/day
Severe restriction slows metabolism - consult our doctors for personalised targets.
How many daily meals are optimal?
Studies show:
- 3 meals: Better for insulin sensitivity
- 5-6 small meals: Helps control hunger
Choose what suits your schedule - consistency matters most.
Does skipping meals help?
Intermittent fasting can be effective but:
- Requires medical supervision
- Risks overeating later
Not recommended for diabetics - consult first.
Does yoga aid weight loss?
Yes:
- Vinyasa yoga burns 400-600 kcal/hour
- Improves mindfulness for better food choices
Do stairs make a difference?
Climbing stairs 10 mins daily burns ≈100kcal - that's 1lb loss monthly with no diet change.
How to maintain weight loss?
Our weight management plans include:
- Monthly check-ins
- Adjustable prescriptions
- Lifestyle coaching
Why am I gaining weight with exercise?
Common causes:
- Muscle gain offsetting fat loss
- Increased hunger cues
Use body measurements, not just scales.
How often to track progress?
We recommend:
- Weekly weigh-ins
- Monthly body measurements
How to reduce body fat?
Combine:
- Caloric deficit
- Resistance training
- Prescription treatments (see options)
Calorie burning targets?
1lb ≈ 3,500kcal deficit. Achieve through:
- Diet: 500kcal/day reduction
- Exercise: 250kcal burn/day
Why exercise with dieting?
Exercise:
- Preserves muscle mass
- Boosts metabolic rate by 7-10%
Effective diet strategies?
Proven methods:
- Plate method (1/2 vegetables)
- Mindful eating techniques
- Structured meal plans
Are weight loss supplements safe?
Only MHRA-registered supplements should be used. We recommend:
- Vitamin D3 if deficient
- Fibre supplements
- Omega-3 fatty acids
- Probiotics for gut health
Always consult with our online clinicians before starting any supplement regimen, especially if you're taking prescription medications.
What BMI qualifies for weight loss medication?
Typically BMI ≥30, or ≥27 with comorbidities as per NICE guidelines TA664. Common qualifying conditions include:
- Type 2 diabetes
- Hypertension
- Obstructive sleep apnea
How fast will I lose weight?
Most patients lose 5-10% body weight within 6 months when combining medication with dietary changes. Key factors affecting rate:
- Starting weight (higher BMI often sees faster initial loss)
- Adherence to treatment plan
- Metabolic factors
Can I take tablets and injections together?
Combination therapy requires direct medical supervision - consult our clinicians. Potential considerations:
- Medication interactions
- Enhanced side effects
- Requires careful dose titration
How long until I see results?
Most patients notice changes within 4-8 weeks when adhering to treatment plans. Timeline breakdown:
- Weeks 1-2: Reduced appetite/cravings
- Weeks 3-4: Initial weight loss (2-4% typically)
- Weeks 5-8: Steady progress (clothes fitting differently)
For personalised expectations, schedule a consultation with our weight loss specialists.
What's the optimal exercise regimen for weight loss?
The NICE guidelines recommend 150-300 minutes of moderate weekly activity. Examples include:
- Brisk walking: 30 mins/day burns ≈150kcal
- Cycling: 3x weekly sessions reduce cardiovascular risks
- Strength training: Preserves lean muscle mass (↑ metabolism)
Does nighttime eating cause weight gain?
Calorie timing matters less than total intake, but late eating often leads to:
- 63% higher likelihood of choosing high-sugar snacks (BMJ 2021 study)
- Disrupted circadian rhythms affecting insulin sensitivity
Why is breakfast crucial for weight management?
Morning meals:
- Stimulate thermogenesis by 10-15% (NIH metabolic study)
- Reduce mid-morning snacking by 40%
What BMI qualifies for weight loss medication?
Typically BMI ≥30, or ≥27 with comorbidities as per NICE guidelines TA664.
How fast will I lose weight?
Most patients lose 5-10% body weight within 6 months when combining medication with dietary changes.
Can I take tablets and injections together?
Combination therapy requires direct medical supervision - consult our clinicians.
How long until I see results?
Most patients notice changes within 4-8 weeks when adhering to treatment plans.
![]() | Authored by Nabeel M |
Medical Content Manager & Pharmacy Associate
Nabeel is a co-founder of Chemist Doctor. He works closely with our medical team to ensure the information is accurate and up-to-date.
![]() | Reviewed by Usman M (2073618) |
Director & Superintendent Pharmacist
Usman is a co-founder, and superintendent pharmacist of Chemist Doctor. He leads the clinical team and online prescribing services, utilising his expertise.
Review Date: 01 May 2025
Next Review: 04 December 2025
Published on: 01 May 2025
Last Updated: 02 May 2025
Responsible Pharmacist
![]() | Usman Mir Superintendent GPhc: 2073618 |






Chemist Doctor is an online pharmacy and online doctor service, owned and operated by Chem Doc Ltd (Company Reg. 16478812). Prescriptions are managed by our sister company, Inspire Pharmacy (GPhC No. 9011381), a registered pharmacy located at Unit 18, Croft Road Industrial Estate, Newcastle-under-Lyme, Staffordshire, ST5 0TW. The content on this website is for informational purposes only. It should support, not replace, advice from your healthcare provider. Always consult your doctor if you suspect a health issue or before beginning new medication. Ensure you read the leaflets provided with any medicines. For further details, visit our policies and terms & conditions at the bottom of each page.
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