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

Paediatric Dermatologist for Hair Loss: Causes, Referral and NHS Treatment

Paediatric dermatologist for hair loss in children — learn about common causes, when to seek a specialist referral, NHS diagnosis and treatment options, and how to support your child's wellbeing.

Blood in Urine on Saxenda: Causes & When to Act

GLP-1 Brands

min read

Blood in Urine on Saxenda: Causes & When to Act

Noticed blood in urine whilst taking Saxenda? Learn the common causes of haematuria, what 2+ blood in urine means, and when to seek urgent medical advice.

Erectile Dysfunction

min read

Does Collagen Help Erectile Dysfunction? Evidence and Treatments

Does collagen help erectile dysfunction? Discover what the evidence says about collagen supplements for ED, how erectile function works, and which treatments are backed by NICE guidance for men seeking effective solutions.

Salmon Fish Health Benefits: Evidence-Based Nutrition Guide UK

Supplements

min read

Salmon Fish Health Benefits: Evidence-Based Nutrition Guide UK

Discover the evidence-based salmon fish health benefits, from heart and brain support to omega-3 fatty acids. Learn NHS-recommended portions, nutritional facts, safe preparation methods, and how this oily fish fits into a balanced UK diet for optimal wellbeing.

Erectile Dysfunction

min read

Does Ibuprofen Cause Erectile Dysfunction? UK Medical Evidence

Does ibuprofen cause erectile dysfunction? Discover what the medical evidence says about ibuprofen and ED, which medications can affect sexual function, and when to consult your GP about erectile difficulties.

Is Generic Sildenafil as Good as Viagra? UK Clinical Evidence

Erectile Dysfunction

min read

Is Generic Sildenafil as Good as Viagra? UK Clinical Evidence

Is generic sildenafil as good as Viagra? Discover the clinical evidence, safety standards, cost comparison, and expert guidance on choosing between generic and branded sildenafil for erectile dysfunction treatment in the UK.

Translational Models for Obesity Treatment: Research to Clinical Practice

Weight Loss

min read

Translational Models for Obesity Treatment: Research to Clinical Practice

Discover how translational models for obesity treatment bridge laboratory research and clinical practice in the UK. Learn about preclinical models, clinical trial phases, current evidence-based treatments, and future precision medicine approaches transforming obesity care.

Testosterone

min read

Does Testosterone Cause Fatty Liver? Evidence and Safety Guidance

Does testosterone cause fatty liver? Discover the evidence on testosterone replacement therapy and liver health, including safety information, risk factors, and monitoring guidance for UK patients.

Can Fatty Liver Cause High Ammonia Levels? UK Medical Guide

Weight Loss

min read

Can Fatty Liver Cause High Ammonia Levels? UK Medical Guide

Can fatty liver cause high ammonia levels? Discover when fatty liver disease affects ammonia metabolism, the warning signs of hepatic encephalopathy, and when simple steatosis progresses to dangerous complications requiring urgent medical attention.

GLP-1 Hormone: Where Is It Made in Your Body?

Weight Loss

min read

GLP-1 Hormone: Where Is It Made in Your Body?

GLP-1 is made by L-cells in your gut — but how does this affect appetite and blood sugar? Explore the science behind GLP-1 production and why it matters.

Wegovy

min read

Wegovy Yeast Infection: Causes, Symptoms, and Management Guide

Can Wegovy cause yeast infections? Explore the evidence, underlying risk factors like diabetes, symptom recognition, and practical management strategies for patients taking semaglutide for weight management in the UK.

Is Retatrutide Safe for Women? UK Evidence and Guidance

GLP-1 Brands

min read

Is Retatrutide Safe for Women? UK Evidence and Guidance

Is retatrutide safe for women? Explore the latest clinical evidence, hormonal and reproductive risks, side effects, and UK regulatory status of this investigational weight-loss treatment.

Wegovy

min read

Can I Eat Popcorn on Wegovy? Diet & Snacking Guide

Can you eat popcorn whilst taking Wegovy? Discover how this GLP-1 medication affects food tolerance, the nutritional considerations for popcorn during weight loss treatment, and practical snacking strategies to support your weight management goals on semaglutide.

Saxenda and Your Period: What Women Should Know

GLP-1 Brands

min read

Saxenda and Your Period: What Women Should Know

Does Saxenda affect your periods? Learn how liraglutide may influence your menstrual cycle, why it happens, and when to seek medical advice.

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

GLP-1 Brands

min read

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

Does Ozempic cause numbness and tingling? Discover the indirect mechanisms that may explain paraesthesia during treatment, when to seek medical advice, and how to manage symptoms effectively with UK clinical 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

Paediatric Dermatologist for Hair Loss: Causes, Referral and NHS Treatment

Blood in Urine on Saxenda: Causes & When to Act

Does Collagen Help Erectile Dysfunction? Evidence and Treatments

Salmon Fish Health Benefits: Evidence-Based Nutrition Guide UK

Does Ibuprofen Cause Erectile Dysfunction? UK Medical Evidence

Is Generic Sildenafil as Good as Viagra? UK Clinical Evidence

Translational Models for Obesity Treatment: Research to Clinical Practice

Does Testosterone Cause Fatty Liver? Evidence and Safety Guidance

Can Fatty Liver Cause High Ammonia Levels? UK Medical Guide

GLP-1 Hormone: Where Is It Made in Your Body?

Wegovy Yeast Infection: Causes, Symptoms, and Management Guide

Is Retatrutide Safe for Women? UK Evidence and Guidance

Can I Eat Popcorn on Wegovy? Diet & Snacking Guide

Saxenda and Your Period: What Women Should Know

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance