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.

Racial Disparities in Obesity Treatment: UK Evidence and Solutions

Weight Loss

min read

Racial Disparities in Obesity Treatment: UK Evidence and Solutions

Racial disparities in obesity treatment affect ethnic minority communities across the UK. Discover the evidence of unequal access, barriers to care, culturally sensitive approaches, and practical strategies to improve equity in weight management services for all populations.

Mounjaro

min read

Can Mounjaro Make You Cold? Temperature Changes Explained

Can Mounjaro make you cold? Discover why some patients experience cold sensitivity on tirzepatide, how common it is, practical management strategies, and when to seek medical advice about temperature changes during treatment.

Mounjaro

min read

Does Mounjaro Cause Itching? UK Guide to Tirzepatide Side Effects

Does Mounjaro cause itching? Discover how tirzepatide can lead to injection site reactions or hypersensitivity, when to seek medical advice, and practical management strategies for patients experiencing pruritus during treatment.

Weight Loss

min read

Best Vegan Weight Loss Pills: Evidence, Safety, and NHS Alternatives

Best vegan weight loss pills reviewed: what the evidence really shows, which ingredients are UK-authorised, key safety warnings, and NHS-recommended alternatives for sustainable weight management.

Does Sildenafil Work for Performance Anxiety? Evidence and Treatment Options

Erectile Dysfunction

min read

Does Sildenafil Work for Performance Anxiety? Evidence and Treatment Options

Does sildenafil work for performance anxiety? Discover how Viagra can help break the anxiety-erection cycle, when it's most effective, and why combining medication with therapy offers the best long-term results for performance-related erectile difficulties.

Where Is Rybelsus Made? UK Manufacturing and Quality Standards

GLP-1 Brands

min read

Where Is Rybelsus Made? UK Manufacturing and Quality Standards

Discover where Rybelsus is manufactured, the quality standards governing its production, and how Novo Nordisk's global facilities ensure this type 2 diabetes medication meets UK regulatory requirements.

Allergy Medication and Exercise: Safety, Performance and UK Guidance

Supplements

min read

Allergy Medication and Exercise: Safety, Performance and UK Guidance

Allergy medication and exercise: find out how antihistamines, corticosteroids and decongestants affect your performance, safety tips for active people, and when to see your GP or pharmacist.

Can You Gain Muscle in a Calorie Deficit? Evidence-Based Guide

Weight Loss

min read

Can You Gain Muscle in a Calorie Deficit? Evidence-Based Guide

Can you gain muscle in a calorie deficit? Discover the science behind body recomposition, who benefits most, optimal protein targets, and NHS-aligned training strategies to lose fat and build muscle simultaneously.

Vertical Sleeve Gastrectomy vs Gastric Bypass: A UK Clinical Guide

Weight Loss

min read

Vertical Sleeve Gastrectomy vs Gastric Bypass: A UK Clinical Guide

Vertical sleeve gastrectomy vs gastric bypass: compare how each works, NHS eligibility, weight loss outcomes, risks, and recovery to help you make an informed decision with your surgical team.

Weight Loss

min read

Magnesium Pills Benefits for Weight Loss: What the Evidence Shows

Magnesium pills and weight loss — does the evidence stack up? Explore the metabolic benefits of magnesium, who should consider supplementation, safe UK doses, drug interactions, and NHS guidance on healthy weight management.

Is Banana Good for Fatty Liver? Evidence and Dietary Guidance

Weight Loss

min read

Is Banana Good for Fatty Liver? Evidence and Dietary Guidance

Is banana good for fatty liver? Discover how bananas fit into a liver-friendly diet, what the evidence shows about fruit and NAFLD, and practical tips for managing hepatic steatosis through balanced nutrition and lifestyle changes.

Is the Gastric Sleeve Safe? UK Evidence, Risks, and Outcomes

Weight Loss

min read

Is the Gastric Sleeve Safe? UK Evidence, Risks, and Outcomes

Is the gastric sleeve safe? Explore the UK clinical evidence, NHS eligibility criteria, risks, complications, and long-term outcomes of sleeve gastrectomy, guided by NICE, BOMSS, and NHS England.

Is Tadalafil OTC in the UK? Prescription Rules and Legal Access

Erectile Dysfunction

min read

Is Tadalafil OTC in the UK? Prescription Rules and Legal Access

Is tadalafil OTC in the UK? Discover why tadalafil remains prescription-only, how to obtain it legally through NHS or private services, available over-the-counter alternatives, and the serious risks of buying without a prescription.

Fatty Liver Fibrosis Symptoms: Signs, Diagnosis and UK Treatment

Weight Loss

min read

Fatty Liver Fibrosis Symptoms: Signs, Diagnosis and UK Treatment

Discover fatty liver fibrosis symptoms, from early warning signs to advanced indicators. Learn when to seek medical help, how UK doctors diagnose fibrosis, and evidence-based treatment options to prevent progression to cirrhosis.

How Many Milligrams of Beetroot Extract Lower Blood Pressure

Supplements

min read

How Many Milligrams of Beetroot Extract Lower Blood Pressure

Discover how many milligrams of beetroot extract effectively lower blood pressure. Evidence-based guidance on dosage, safety, and how beetroot nitrates work to support cardiovascular health in the UK.

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

Racial Disparities in Obesity Treatment: UK Evidence and Solutions

Can Mounjaro Make You Cold? Temperature Changes Explained

Does Mounjaro Cause Itching? UK Guide to Tirzepatide Side Effects

Best Vegan Weight Loss Pills: Evidence, Safety, and NHS Alternatives

Does Sildenafil Work for Performance Anxiety? Evidence and Treatment Options

Where Is Rybelsus Made? UK Manufacturing and Quality Standards

Allergy Medication and Exercise: Safety, Performance and UK Guidance

Can You Gain Muscle in a Calorie Deficit? Evidence-Based Guide

Vertical Sleeve Gastrectomy vs Gastric Bypass: A UK Clinical Guide

Magnesium Pills Benefits for Weight Loss: What the Evidence Shows

Is Banana Good for Fatty Liver? Evidence and Dietary Guidance

Is the Gastric Sleeve Safe? UK Evidence, Risks, and Outcomes

Is Tadalafil OTC in the UK? Prescription Rules and Legal Access

Fatty Liver Fibrosis Symptoms: Signs, Diagnosis and UK Treatment

How Many Milligrams of Beetroot Extract Lower Blood Pressure