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.

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.

Gastric Sleeve Surgery vs Gastric Band: Key Differences Explained

Weight Loss

min read

Gastric Sleeve Surgery vs Gastric Band: Key Differences Explained

Gastric sleeve surgery vs gastric band: compare how each procedure works, weight loss outcomes, risks, NHS eligibility, and which may suit you. UK clinical guidance explained.

How Long Does Vitamin D Stay in Your System?

Supplements

min read

How Long Does Vitamin D Stay in Your System?

How long does vitamin D stay in your system? Discover the half-life, storage mechanisms, and factors affecting vitamin D duration in your body. Learn about NHS supplementation guidance and when to seek medical advice for deficiency.

Mounjaro

min read

Does Mounjaro Cause Diverticulitis? Evidence and Safety

Does Mounjaro cause diverticulitis? Discover the current evidence on tirzepatide and diverticulitis risk, common gastrointestinal side effects, and when to seek medical advice whilst taking this GLP-1 receptor agonist.

Is Rybelsus a Controlled Substance? UK Classification Explained

GLP-1 Brands

min read

Is Rybelsus a Controlled Substance? UK Classification Explained

Is Rybelsus a controlled substance in the UK? Discover Rybelsus's regulatory classification, prescription requirements, safety profile, and why this type 2 diabetes medication requires medical supervision but carries no abuse potential.

Does Ozempic Cause Muscle Loss? Evidence & Tips

GLP-1 Brands

min read

Does Ozempic Cause Muscle Loss? Evidence & Tips

Worried Ozempic is eating your muscle? See what the evidence says about semaglutide and body composition, plus practical steps to protect lean muscle mass.

Fish Oil Benefits for Skin: Evidence-Based Guide to Omega-3 Supplementation

Supplements

min read

Fish Oil Benefits for Skin: Evidence-Based Guide to Omega-3 Supplementation

Discover the evidence-based fish oil benefits for skin, including how omega-3 fatty acids support skin barrier function and inflammatory conditions. Learn about safe usage, dosing, potential side effects, and when to seek medical advice for dermatological concerns.

Hair Loss

min read

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

MONAT and hair loss explained: can MONAT products cause shedding? Explore the evidence, UK regulations, common hair loss causes, and NHS-recommended treatments.

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

Weight Loss

min read

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

Does GLP-1 help with hot flashes? Discover the current evidence on GLP-1 medications and menopausal vasomotor symptoms, plus proven UK treatments for hot flashes including HRT and lifestyle approaches.

How to Use the Lyxumia Pen: Step-by-Step Guide

GLP-1 Brands

min read

How to Use the Lyxumia Pen: Step-by-Step Guide

Learn how to use the Lyxumia pen correctly with our step-by-step guide. Discover proper injection technique, storage tips, troubleshooting advice, and essential safety information for effective type 2 diabetes management.

Wegovy

min read

How to Travel with Wegovy on a Plane: UK Guide

Discover how to travel with Wegovy on a plane from the UK. Learn essential packing tips, airport security rules, temperature control requirements, and documentation needed for safe air travel with your semaglutide injections.

GLP-1 Brands

min read

Does Saxenda Need to Be Refrigerated?

Find out how to store Saxenda correctly — fridge rules for unopened pens, in-use pen guidance, travel tips, and what to do if storage goes wrong.

Saxenda Eye Side Effects: UK Clinical Guide

GLP-1 Brands

min read

Saxenda Eye Side Effects: UK Clinical Guide

Can Saxenda affect your vision? Explore which eye symptoms to watch for, when to seek advice, and how diabetic retinopathy risk is linked to GLP-1 therapy.

Wegovy

min read

Can I Take Wegovy and HCG Together? Safety and Risks

Can you take Wegovy and HCG together for weight loss? Discover the safety concerns, potential risks, and why this combination isn't recommended. Learn about evidence-based alternatives aligned with NHS and NICE guidance for sustainable weight management.

Lorcaserin HCl for Obesity Treatment: Withdrawal and UK Alternatives

Weight Loss

min read

Lorcaserin HCl for Obesity Treatment: Withdrawal and UK Alternatives

Lorcaserin HCl for the treatment of obesity: understand why this weight-loss medication was withdrawn, how it worked, clinical evidence, safety concerns, and current UK-approved alternatives for obesity management.

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

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

Gastric Sleeve Surgery vs Gastric Band: Key Differences Explained

How Long Does Vitamin D Stay in Your System?

Does Mounjaro Cause Diverticulitis? Evidence and Safety

Is Rybelsus a Controlled Substance? UK Classification Explained

Does Ozempic Cause Muscle Loss? Evidence & Tips

Fish Oil Benefits for Skin: Evidence-Based Guide to Omega-3 Supplementation

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

How to Use the Lyxumia Pen: Step-by-Step Guide

How to Travel with Wegovy on a Plane: UK Guide

Does Saxenda Need to Be Refrigerated?

Saxenda Eye Side Effects: UK Clinical Guide

Can I Take Wegovy and HCG Together? Safety and Risks

Lorcaserin HCl for Obesity Treatment: Withdrawal and UK Alternatives