Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

The Wegovy pill (oral semaglutide) is now MHRA-approved in the UK. Who can take it, the dosing schedule, how to take it, and how it compares with the injection.

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Weight loss

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Weight Loss

min read

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

How alcohol interacts with UK weight loss medications including Wegovy, the oral Wegovy pill, Mysimba and orlistat: key risks and when to seek advice.

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Weight Loss

min read

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Bio-Rad HPLC HbA1c testing explained: how ion-exchange chromatography works, NHS laboratory use, NICE diagnostic thresholds, haemoglobin variant interference, and MHRA compliance guidance.

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Weight Loss

min read

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Gastric sleeve surgery explained: how sleeve gastrectomy works, NHS eligibility criteria, what to expect before and after surgery, risks, and long-term outcomes. Evidence-based UK guidance.

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GLP-1 Brands

Read all on GLP-1 brands

Wegovy

Answer all your questions about Wegovy treatments for weight loss.

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Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

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GLP-1 Brands

min read

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Is Rybelsus a good weight loss pill? How oral semaglutide compares to the new Wegovy pill (25 mg), the evidence, side effects, and UK prescribing guidance.

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Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

GLP-1 Brands

min read

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

How much bacteriostatic water to mix with retatrutide — understand reconstitution principles, UK regulatory status, safety risks, and when to seek medical advice before use.

Retatrutide in Pill Form: What UK Patients Need to Know

GLP-1 Brands

min read

Retatrutide in Pill Form: What UK Patients Need to Know

Can you get retatrutide in pill form? Find out why no oral version exists yet, how peptide medicines work, and which licensed weight loss treatments are available in the UK right now.

How to Eat on Retatrutide: UK Dietary and Safety Guide

GLP-1 Brands

min read

How to Eat on Retatrutide: UK Dietary and Safety Guide

How to eat on retatrutide: expert UK dietary guidance covering meal patterns, foods to prioritise, managing nausea, and staying well-nourished during treatment. Read now.

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Men’s Health

Testosterone

Answer all your questions about testosterone.

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Erectile dysfunction

Answer all your questions about erectile dysfunction.

Read erectile dysfunction guides

Erectile Dysfunction

min read

Does Rybelsus Cause Erectile Dysfunction?

Rybelsus is not listed as a cause of erectile dysfunction. Explore the UK evidence on semaglutide and sexual health, and how to manage ED with diabetes.

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Testosterone

min read

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Does testosterone treatment cause hunger? Discover how TRT may influence appetite, the mechanisms involved, and practical strategies to manage hunger changes during testosterone therapy in the UK.

Can Testogel Make You Lethargic? Causes and Management

Testosterone

min read

Can Testogel Make You Lethargic? Causes and Management

Can Testogel make you feel tired? Discover why testosterone replacement therapy may cause lethargy, key warning signs to watch for, and evidence-based strategies to manage fatigue during TRT in the UK.

Testosterone

min read

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can testosterone treatments cause swollen feet? Discover how TRT affects fluid retention, when to seek medical advice, management strategies, and alternative causes of peripheral oedema during testosterone therapy.

Hair Loss

min read

Lupus and Hair Loss: Causes, Types, and NHS Treatment Options

Lupus and hair loss explained: discover how lupus causes hair shedding, the different types of alopecia, NHS treatment options, and when to seek urgent medical advice.

Obesity Causes, Treatment and BMI: Complete UK Guide

Weight Loss

min read

Obesity Causes, Treatment and BMI: Complete UK Guide

Comprehensive guide to obesity causes, treatment and BMI in the UK. Learn how obesity is diagnosed, what causes it, health risks, and NHS treatment options including lifestyle changes, medication and surgery.

Can Fatty Liver Cause Knee Pain? Medical Evidence Explained

Weight Loss

min read

Can Fatty Liver Cause Knee Pain? Medical Evidence Explained

Can fatty liver cause knee pain? Discover the medical evidence on whether hepatic steatosis directly affects knee joints, the shared metabolic risk factors, and when to seek medical advice for both conditions.

Will Testogel Shut Me Down? HPG Axis Suppression Explained

Testosterone

min read

Will Testogel Shut Me Down? HPG Axis Suppression Explained

Will Testogel shut down natural testosterone production? Discover how testosterone gel suppresses the HPG axis, affects fertility, and what to expect when stopping treatment. Expert UK medical guidance on managing Testogel therapy safely.

Best Probiotics for Ulcerative Colitis: Evidence-Based Guide

Supplements

min read

Best Probiotics for Ulcerative Colitis: Evidence-Based Guide

Discover the best probiotics for ulcerative colitis based on clinical evidence. Learn which strains may help manage UC symptoms, how they work, safety considerations, and what UK specialists recommend for complementary gut health support.

Medication Allergy Signs: Symptoms & NHS Treatment

Supplements

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Medication Allergy Signs: Symptoms & NHS Treatment

Recognise signs of a medication allergy — from hives and swelling to anaphylaxis. Learn when to call 999 and how NHS diagnosis and management works.

Is Taking NAD Orally Effective? Evidence and Alternatives

Supplements

min read

Is Taking NAD Orally Effective? Evidence and Alternatives

Is taking NAD orally effective? Discover what the evidence reveals about oral NAD+ absorption, bioavailability, and whether NAD+ precursors offer a more effective approach to boosting cellular levels safely.

Ozempic for PCOS: Evidence, Safety & UK Alternatives

GLP-1 Brands

min read

Ozempic for PCOS: Evidence, Safety & UK Alternatives

Find out what the evidence says about Ozempic for PCOS, why it's unlicensed in the UK, and which NICE-recommended treatments can help manage your symptoms.

Not Losing Weight Despite Calorie Deficit and Exercise: Causes and NHS Solutions

Weight Loss

min read

Not Losing Weight Despite Calorie Deficit and Exercise: Causes and NHS Solutions

Not losing weight despite a calorie deficit and exercise? Discover the medical and behavioural reasons behind weight loss plateaus, plus NHS-recommended next steps and when to see your GP.

Cost

min read

CoolSculpting for Gynaecomastia Cost: UK Guide to Chest Fat Reduction

CoolSculpting for gynaecomastia cost in the UK explained — find out typical prices, how cryolipolysis compares with surgery, clinical suitability, and how to choose a safe, accredited provider.

Cost

min read

Wegovy Cost UK: NHS Eligibility and Private Prescription Expenses

Discover the true cost of Wegovy in the UK. Learn about NHS eligibility criteria, private prescription expenses (£2,400–£3,600 annually), consultation fees, and practical strategies to reduce treatment costs whilst maintaining safe, effective weight management.

Cost

min read

Ashcroft Pharmacy Wegovy Cost: UK Pricing & Access Guide

Discover Ashcroft Pharmacy Wegovy costs, typically £150–£250 monthly for private prescriptions. Compare NHS vs private pricing, learn eligibility criteria, and understand how to access safe, clinically supervised weight management treatment in the UK.

Do GLP-1 Medications Cause Bone Loss? Evidence and Guidance

Weight Loss

min read

Do GLP-1 Medications Cause Bone Loss? Evidence and Guidance

Do GLP-1 medications cause bone loss? Discover what current research reveals about GLP-1 receptor agonists and bone health, including evidence from clinical trials, risk factors to consider, and practical strategies to protect your skeletal health during treatment with semaglutide, liraglutide, and other GLP-1 therapies.

How to Gain Weight with Type 2 Diabetes Safely

Weight Loss

min read

How to Gain Weight with Type 2 Diabetes Safely

Discover how to gain weight with type 2 diabetes safely through expert nutritional strategies, exercise guidance, and medication reviews. Learn when unintentional weight loss requires urgent medical assessment and how to balance caloric intake with blood glucose control for healthy, sustainable weight gain.

Coffee and Type 2 Diabetes: Effects, Safety and Evidence

Weight Loss

min read

Coffee and Type 2 Diabetes: Effects, Safety and Evidence

Discover how coffee and type 2 diabetes interact. Learn whether coffee raises blood sugar, how much is safe to drink, and whether caffeinated or decaffeinated coffee is better for diabetes management and prevention.

Bolt Guides

Featured

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

Weight loss

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

GLP-1 Brands

Wegovy

Mounjaro

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide in Pill Form: What UK Patients Need to Know

How to Eat on Retatrutide: UK Dietary and Safety Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Can Testogel Make You Lethargic? Causes and Management

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Browse all

Lupus and Hair Loss: Causes, Types, and NHS Treatment Options

Obesity Causes, Treatment and BMI: Complete UK Guide

Can Fatty Liver Cause Knee Pain? Medical Evidence Explained

Will Testogel Shut Me Down? HPG Axis Suppression Explained

Best Probiotics for Ulcerative Colitis: Evidence-Based Guide

Medication Allergy Signs: Symptoms & NHS Treatment

Is Taking NAD Orally Effective? Evidence and Alternatives

Ozempic for PCOS: Evidence, Safety & UK Alternatives

Not Losing Weight Despite Calorie Deficit and Exercise: Causes and NHS Solutions

CoolSculpting for Gynaecomastia Cost: UK Guide to Chest Fat Reduction

Wegovy Cost UK: NHS Eligibility and Private Prescription Expenses

Ashcroft Pharmacy Wegovy Cost: UK Pricing & Access Guide

Do GLP-1 Medications Cause Bone Loss? Evidence and Guidance

How to Gain Weight with Type 2 Diabetes Safely

Coffee and Type 2 Diabetes: Effects, Safety and Evidence