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.

Creatine and Visceral Fat: Evidence, Safety, and UK Guidance

Weight Loss

min read

Creatine and Visceral Fat: Evidence, Safety, and UK Guidance

Creatine and visceral fat: explore the latest evidence on whether creatine supplementation affects visceral adiposity, its safety profile, and NHS-aligned lifestyle strategies for reducing metabolic risk.

Top-Rated Asthma Treatments for Obese Women: UK Guidelines

Weight Loss

min read

Top-Rated Asthma Treatments for Obese Women: UK Guidelines

Discover the top-rated asthma treatments for obese women, including first-line inhalers, biologic therapies, and weight management strategies. Evidence-based guidance following UK NICE and BTS/SIGN guidelines to improve asthma control and quality of life.

Hair Loss

min read

Supplements for Hair Loss in Females: Evidence, Safety, and NHS Guidance

Supplements for hair loss in females: discover which nutritional deficiencies are linked to thinning hair, what the NHS and MHRA say, safety considerations, and when to see your GP.

Mounjaro

min read

Does Mounjaro Cause Eczema? Skin Reactions Explained

Does Mounjaro cause eczema? Explore the evidence on tirzepatide and skin reactions, including eczema-like symptoms, injection site irritation, and when to seek medical advice for skin changes during treatment.

Erectile Dysfunction

min read

Erectile Dysfunction in Spanish: Key Medical Terms

Discover how to say erectile dysfunction in Spanish — "disfunción eréctil" — plus related sexual health terms and tips for talking to healthcare providers.

Hair Loss

min read

Microneedling for Hair Loss: Evidence, Safety, and UK Treatment Guide

Microneedling for hair loss: discover how it works, what the clinical evidence shows, who is suitable, and how to find a safe, qualified practitioner in the UK. Read our expert guide.

Endocannabinoid System Treatment for Obesity: UK Evidence and Safety

Weight Loss

min read

Endocannabinoid System Treatment for Obesity: UK Evidence and Safety

Discover how endocannabinoid system treatment for obesity works, why early drugs were withdrawn, and what safer alternatives are being developed. Learn about current UK guidance, safety considerations, and future research directions for ECS-targeted weight management therapies.

Can Famotidine Cause Gynaecomastia? Evidence, Risks and Advice

Weight Loss

min read

Can Famotidine Cause Gynaecomastia? Evidence, Risks and Advice

Can famotidine cause gynaecomastia? Learn what the clinical evidence shows, how famotidine compares to cimetidine, and when to see a GP about breast changes.

Weight Loss

min read

Gastric Sleeve Weight Loss Calculator: Results, Eligibility & Recovery Planning

Use a gastric sleeve weight loss calculator to estimate your results after sleeve gastrectomy. Learn how these tools work, NHS eligibility criteria, and expert recovery planning advice.

Can You Take Trulicity While Breastfeeding? UK Guidance

GLP-1 Brands

min read

Can You Take Trulicity While Breastfeeding? UK Guidance

Can you take Trulicity while breastfeeding? Discover current UK guidance on Trulicity (dulaglutide) during lactation, why it's not recommended, safer diabetes treatment alternatives for breastfeeding mothers, and when to consult your healthcare professional.

Retatrutide Phase 2 NEJM Trial: 48-Week Weight Loss Results Explained

GLP-1 Brands

min read

Retatrutide Phase 2 NEJM Trial: 48-Week Weight Loss Results Explained

Retatrutide phase 2 NEJM trial: discover the 48-week weight loss percentage results, how this triple agonist compares to semaglutide and tirzepatide, and what the findings mean for UK patients.

Mounjaro

min read

Best Multivitamin for Mounjaro: UK Guidance and Recommendations

Discover the best multivitamin for Mounjaro users in the UK. Learn which vitamins and minerals matter most during tirzepatide treatment, how to choose quality supplements, and when to seek professional guidance for nutritional support.

Do You Take Sildenafil on an Empty Stomach? Timing Guide

Erectile Dysfunction

min read

Do You Take Sildenafil on an Empty Stomach? Timing Guide

Should you take sildenafil on an empty stomach? Discover how food affects sildenafil absorption, optimal timing strategies, and practical guidance for maximising effectiveness whilst minimising side effects.

Cost

min read

Cuva Health Wegovy Cost: NHS vs Private Pricing Guide

Discover Cuva Health Wegovy cost (£199–£249/month) for private weight management. Compare NHS vs private prescriptions, service inclusions, and eligibility criteria for semaglutide 2.4 mg treatment in the UK.

Fastest Ways to Burn Calories: Exercise & Metabolism

Weight Loss

min read

Fastest Ways to Burn Calories: Exercise & Metabolism

Discover the quickest ways to burn calories through exercise and boost your metabolism. Evidence-based tips aligned with NHS guidance for UK adults.

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

Creatine and Visceral Fat: Evidence, Safety, and UK Guidance

Top-Rated Asthma Treatments for Obese Women: UK Guidelines

Supplements for Hair Loss in Females: Evidence, Safety, and NHS Guidance

Does Mounjaro Cause Eczema? Skin Reactions Explained

Erectile Dysfunction in Spanish: Key Medical Terms

Microneedling for Hair Loss: Evidence, Safety, and UK Treatment Guide

Endocannabinoid System Treatment for Obesity: UK Evidence and Safety

Can Famotidine Cause Gynaecomastia? Evidence, Risks and Advice

Gastric Sleeve Weight Loss Calculator: Results, Eligibility & Recovery Planning

Can You Take Trulicity While Breastfeeding? UK Guidance

Retatrutide Phase 2 NEJM Trial: 48-Week Weight Loss Results Explained

Best Multivitamin for Mounjaro: UK Guidance and Recommendations

Do You Take Sildenafil on an Empty Stomach? Timing Guide

Cuva Health Wegovy Cost: NHS vs Private Pricing Guide

Fastest Ways to Burn Calories: Exercise & Metabolism