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.

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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.

CoQ10 vs Omega-3: Key Differences and Health Benefits

Supplements

min read

CoQ10 vs Omega-3: Key Differences and Health Benefits

CoQ10 vs omega-3: discover the key differences between these popular supplements, their distinct health benefits, safety considerations, and whether you can take them together. Evidence-based guidance for UK patients.

Weight Loss

min read

L-Carnitine Pills for Weight Loss: Evidence, Safety and UK Guidance

L-carnitine pills for weight loss — do they really work? Explore the UK evidence, safe dosing guidance, side effects, and what NHS and NICE say about carnitine supplements.

Best Probiotic for Women on GLP-1: Evidence and Safety

Weight Loss

min read

Best Probiotic for Women on GLP-1: Evidence and Safety

Discover the best probiotic for women on GLP-1 medications. Expert guidance on strain selection, evidence for digestive support, safety considerations, and when to seek medical advice whilst taking semaglutide or liraglutide.

Supplements

min read

Are Fish Oil Supplements Good for You? UK Evidence Review

Are fish oil supplements good for you? Discover what the evidence says about omega-3 benefits, who should consider supplementation, potential risks, and how to choose quality products based on UK clinical guidance.

Victoza and Kidneys: Safety, Evidence & UK Guidance

GLP-1 Brands

min read

Victoza and Kidneys: Safety, Evidence & UK Guidance

Discover how Victoza affects kidney function, what the LEADER trial found, and when to avoid it. Clear UK clinical guidance for safe use.

Fish Oil Benefits: Evidence-Based Omega-3 Guide

Supplements

min read

Fish Oil Benefits: Evidence-Based Omega-3 Guide

Discover the proven benefits of fish oil and omega-3 supplements, including heart health, dosage advice, side effects, and UK guidance on EPA and DHA.

Omega-3 Recommended Dose: UK Guidelines for Adults and Pregnancy

Supplements

min read

Omega-3 Recommended Dose: UK Guidelines for Adults and Pregnancy

Discover the recommended omega-3 dose for adults, pregnancy, and specific health conditions. Learn about EPA, DHA, and ALA intake guidelines from NHS, NICE, and EFSA, plus safety considerations and how to choose quality supplements.

Hair Loss

min read

Does Evenity Cause Hair Loss? Romosozumab Side Effects Explained

Does Evenity cause hair loss? Find out what the clinical evidence and UK SmPC say about romosozumab side effects, when to see your GP, and how to report concerns via the MHRA Yellow Card scheme.

Anastrozole and Fatty Liver: Safety, Monitoring, and Management

Weight Loss

min read

Anastrozole and Fatty Liver: Safety, Monitoring, and Management

Discover the relationship between anastrozole and fatty liver disease. Learn about liver health monitoring, risk factors, and when to seek medical advice during breast cancer treatment with this aromatase inhibitor.

GLP-1 Brands

min read

Saxenda & Beta Blockers: Safety Guide

Using Saxenda with a beta blocker? Learn how liraglutide interacts with beta blockers, what to monitor, and key safety tips.

Hernia After Gastric Sleeve: Causes, Symptoms and Treatment

Weight Loss

min read

Hernia After Gastric Sleeve: Causes, Symptoms and Treatment

Hernia after gastric sleeve surgery: causes, symptoms, diagnosis and NHS treatment options explained. Learn when to seek urgent help and how to reduce your risk.

Can Diabetics Take Ibuprofen? Safety Guide

GLP-1 Brands

min read

Can Diabetics Take Ibuprofen? Safety Guide

Taking ibuprofen with Trulicity? Discover key safety considerations for type 2 diabetes and safer pain relief alternatives to discuss with your GP.

Gastric Band and Headaches: Causes, Management, and NHS Advice

Weight Loss

min read

Gastric Band and Headaches: Causes, Management, and NHS Advice

Gastric band and headaches explained: discover the common causes, nutritional factors, red flag symptoms, and NHS-approved management strategies to help you recover safely after LAGB surgery.

Weight Loss

min read

Hoodia Weight Loss Pills: Evidence, Safety, and UK Regulatory Guidance

Hoodia weight loss pills: do they work? What the evidence, EFSA and NHS say on safety, legality, and licensed alternatives like the oral Wegovy pill.

Live Cultures: Meaning, Benefits & Safe Sources

Supplements

min read

Live Cultures: Meaning, Benefits & Safe Sources

Discover what live and active cultures are, how they support gut health, and which foods and supplements contain them. UK expert probiotic guidance.

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

CoQ10 vs Omega-3: Key Differences and Health Benefits

L-Carnitine Pills for Weight Loss: Evidence, Safety and UK Guidance

Best Probiotic for Women on GLP-1: Evidence and Safety

Are Fish Oil Supplements Good for You? UK Evidence Review

Victoza and Kidneys: Safety, Evidence & UK Guidance

Fish Oil Benefits: Evidence-Based Omega-3 Guide

Omega-3 Recommended Dose: UK Guidelines for Adults and Pregnancy

Does Evenity Cause Hair Loss? Romosozumab Side Effects Explained

Anastrozole and Fatty Liver: Safety, Monitoring, and Management

Saxenda & Beta Blockers: Safety Guide

Hernia After Gastric Sleeve: Causes, Symptoms and Treatment

Can Diabetics Take Ibuprofen? Safety Guide

Gastric Band and Headaches: Causes, Management, and NHS Advice

Hoodia Weight Loss Pills: Evidence, Safety, and UK Regulatory Guidance

Live Cultures: Meaning, Benefits & Safe Sources