Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Switching from Wegovy injection to pill? Learn how the UK-approved transition from 2.4 mg weekly injections to 25 mg daily tablets works, who it suits, and what to expect.

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Weight loss

Read all on weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

Weight Loss

min read

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

POTS after bariatric surgery: understand why it develops, how to recognise symptoms, NHS treatment options, lifestyle adjustments, and when to seek urgent medical advice.

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Weight Loss

min read

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Blood glucose readings for non-diabetics explained: discover normal UK ranges, how tests work, what affects your results, and when to see your GP. Evidence-based NHS guidance.

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

Weight Loss

min read

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

How to reverse a 5.8% HbA1c with NHS-backed diet, exercise, and lifestyle advice. Understand what your result means, how long changes take, and when to see your GP.

Read all on weight loss

GLP-1 Brands

Read all on GLP-1 brands

Wegovy

Answer all your questions about Wegovy treatments for weight loss.

Read Wegovy guides

Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

Read Mounjaro guides

GLP-1 Brands

min read

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide injections explained: learn how this investigational triple agonist is administered in clinical trials, including technique, dosing, storage, and UK safety guidance.

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Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

GLP-1 Brands

min read

Retatrutide: What It Is Made Of and How It Works

Retatrutide is a synthetic triple receptor agonist peptide targeting GLP-1, GIP, and glucagon receptors. Learn how it works, what it's made of, and its current UK regulatory status.

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

GLP-1 Brands

min read

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Feeling cold on retatrutide? Learn why this happens, how common it is in clinical trials, when to seek medical advice, and practical tips to manage cold sensations safely.

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.

Read all on GLP-1 brands

Men’s Health

Testosterone

Answer all your questions about testosterone.

Read testosterone guides

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

How to Treat Rash From Testosterone Treatment: Expert Guide

Discover how to treat rash from testosterone treatment with expert guidance on identifying skin reactions, immediate management steps, medical treatments, and prevention strategies to continue TRT safely and comfortably.

Testosterone

min read

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

Does testosterone treatment cause muscle pain? Discover the evidence on muscle discomfort during TRT, including causes, when to seek help, and how to manage symptoms safely. Expert UK guidance for patients and clinicians.

How Much Testogel Should a Man Use? UK Dosage Guide

Testosterone

min read

How Much Testogel Should a Man Use? UK Dosage Guide

How much Testogel should a man use? Discover recommended starting doses, how to adjust treatment based on testosterone levels, proper application techniques, and essential safety guidance for men prescribed this testosterone replacement therapy in the UK.

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

Weight Loss

min read

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

Berberine and visceral fat: discover how this natural alkaloid may help reduce abdominal adiposity, how it works, UK safety guidance, drug interactions, and lifestyle strategies to support metabolic health.

Does Sildenafil Interact with Amlodipine? Safety Guidance

Erectile Dysfunction

min read

Does Sildenafil Interact with Amlodipine? Safety Guidance

Does sildenafil interact with amlodipine? Discover how these medications affect blood pressure when taken together, safety guidance for combined use, and when to seek medical advice about this moderate drug interaction.

Cost

min read

Cost of Gastric Sleeve Revision Surgery in the UK Explained

Cost of gastric sleeve revision in the UK explained — from £10,000–£20,000 privately. Discover NHS funding options, what affects the price, risks, recovery, and how to find a qualified bariatric surgeon.

Does Rybelsus Affect Menstrual Cycle? UK Clinical Guidance

GLP-1 Brands

min read

Does Rybelsus Affect Menstrual Cycle? UK Clinical Guidance

Does Rybelsus affect menstrual cycle regularity? Discover how this type 2 diabetes medication may indirectly influence periods through metabolic changes, what to monitor, and when to seek medical advice. Evidence-based UK guidance included.

Is Tuna Good for You? Health Benefits and Safety Guidelines

Supplements

min read

Is Tuna Good for You? Health Benefits and Safety Guidelines

Is tuna good for you? Discover the health benefits, mercury risks, and NHS guidelines on safe tuna consumption for adults, pregnant women, and children in the UK.

Diabetic Retinopathy and Ozempic: UK Guidance and Monitoring

GLP-1 Brands

min read

Diabetic Retinopathy and Ozempic: UK Guidance and Monitoring

Discover the link between diabetic retinopathy and Ozempic (semaglutide), including clinical evidence, UK guidance, monitoring strategies, and when to seek urgent medical advice for vision changes during treatment.

Collagen Protein Powder vs Whey: Key Differences and Benefits

Supplements

min read

Collagen Protein Powder vs Whey: Key Differences and Benefits

Collagen protein powder vs whey: discover the key nutritional differences, evidence-based health benefits, and which supplement suits your goals. Expert guidance on muscle building, skin health, joint support, and safety considerations for UK readers.

How Do You Know If Retatrutide Is Working: Key Signs Explained

GLP-1 Brands

min read

How Do You Know If Retatrutide Is Working: Key Signs Explained

How do you know if retatrutide is working? Learn the key signs of response, what to monitor in the first weeks, clinical markers to track, and the current UK availability of this investigational weight-loss medicine.

Hives After Gastric Sleeve: Causes, Triggers, and NHS Treatments

Weight Loss

min read

Hives After Gastric Sleeve: Causes, Triggers, and NHS Treatments

Hives after gastric sleeve surgery can be triggered by nutritional deficiencies, immune changes, or peri-operative exposures. Learn causes, NHS treatments, and when to seek urgent help.

Can You Go Over Your Calorie Deficit? Risks, Signs & Safe Limits

Weight Loss

min read

Can You Go Over Your Calorie Deficit? Risks, Signs & Safe Limits

Can you go over your calorie deficit? Find out what happens when you eat more — or far less — than planned, the health risks of extreme restriction, and how to set a safe, sustainable deficit in line with NHS and NICE guidance.

Gastric Band Aftercare Bristol: NHS, Private and Long-Term Support

Weight Loss

min read

Gastric Band Aftercare Bristol: NHS, Private and Long-Term Support

Gastric band aftercare in Bristol: find out what follow-up care involves, how to access NHS and private services, band adjustments, nutrition advice, and when to seek urgent help.

Type 2 Diabetes Tattoo: Safety, Risks & Aftercare Guide

Weight Loss

min read

Type 2 Diabetes Tattoo: Safety, Risks & Aftercare Guide

Can you safely get a type 2 diabetes tattoo? Discover essential guidance on risks, preparation, aftercare, and medical alert tattoos for people with diabetes in the UK.

Best Margarine for Fatty Liver: NHS Guidance and Healthier Alternatives

Weight Loss

min read

Best Margarine for Fatty Liver: NHS Guidance and Healthier Alternatives

Discover the best margarine for fatty liver disease, including how to read labels, avoid harmful fats, and choose healthier alternatives. Evidence-based NHS guidance for NAFLD/MASLD management.

Weight Loss

min read

Type 2 Diabetes Tattoo: Safety, Risks & Aftercare Guide

Can you safely get a type 2 diabetes tattoo? Discover essential guidance on risks, preparation, aftercare, and medical alert tattoos for people with diabetes in the UK.

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Supplements

min read

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Does CoQ10 help joint pain? Discover what the evidence says about coenzyme Q10 for joint health, including dosage, safety, side effects, and how it compares with NHS-recommended treatments for osteoarthritis and inflammatory arthritis.

Bolt Guides

Featured

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Retatrutide in Pill Form: What UK Patients Need to Know

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

How to Treat Rash From Testosterone Treatment: Expert Guide

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

How Much Testogel Should a Man Use? UK Dosage Guide

Browse all

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

Does Sildenafil Interact with Amlodipine? Safety Guidance

Cost of Gastric Sleeve Revision Surgery in the UK Explained

Does Rybelsus Affect Menstrual Cycle? UK Clinical Guidance

Is Tuna Good for You? Health Benefits and Safety Guidelines

Diabetic Retinopathy and Ozempic: UK Guidance and Monitoring

Collagen Protein Powder vs Whey: Key Differences and Benefits

How Do You Know If Retatrutide Is Working: Key Signs Explained

Hives After Gastric Sleeve: Causes, Triggers, and NHS Treatments

Can You Go Over Your Calorie Deficit? Risks, Signs & Safe Limits

Gastric Band Aftercare Bristol: NHS, Private and Long-Term Support

Type 2 Diabetes Tattoo: Safety, Risks & Aftercare Guide

Best Margarine for Fatty Liver: NHS Guidance and Healthier Alternatives

Type 2 Diabetes Tattoo: Safety, Risks & Aftercare Guide

Does CoQ10 Help Joint Pain? Evidence and UK Guidance