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.

Erectile Dysfunction

min read

Does Donating Blood Cause Erectile Dysfunction? Evidence and Advice

Does donating blood cause erectile dysfunction? Discover the medical evidence, understand how blood donation affects your body, and learn when to seek advice if you experience erectile difficulties after giving blood.

How Long Are Allergy Medications Good After Expiration?

Supplements

min read

How Long Are Allergy Medications Good After Expiration?

How long are allergy medications good after expiration? Learn what UK expiry dates mean for antihistamines, nasal sprays, eye drops, and EpiPens — and when expired medication poses a real risk.

Different Grades of Gynaecomastia: Causes, Diagnosis, and Treatment

Weight Loss

min read

Different Grades of Gynaecomastia: Causes, Diagnosis, and Treatment

Different grades of gynaecomastia explained — from Grade I minor enlargement to Grade III with ptosis. Learn how UK doctors assess, diagnose, and treat each grade on the NHS.

Hair Loss

min read

Non-Scarring Hair Loss: Causes & Treatments

Understand non-scarring alopecia, telogen effluvium and androgenetic alopecia. Explore NHS and private treatments, causes, and when to see a GP.

Accuracy of HbA1c Test: What Affects Results and Reliability

Weight Loss

min read

Accuracy of HbA1c Test: What Affects Results and Reliability

Accuracy of HbA1c test explained: how it works, what affects results, and when alternative tests are needed. Aligned with NICE, NHS, and WHO guidance.

Best Allergy Medication for Sugar Allergies: UK Clinical Guide

Supplements

min read

Best Allergy Medication for Sugar Allergies: UK Clinical Guide

Best allergy medication for sugar allergies explained — discover why true sugar allergy is rare, how symptoms are diagnosed on the NHS, which antihistamines are recommended, and when to seek urgent medical advice.

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.

Detox Water for Fatty Liver: Evidence and NHS Guidance

Weight Loss

min read

Detox Water for Fatty Liver: Evidence and NHS Guidance

Can detox water help fatty liver disease? Discover what the evidence really says about infused water, plus NHS-recommended dietary and lifestyle changes that genuinely support liver health and reverse hepatic steatosis.

Can a Thin Person Get Type 2 Diabetes? UK Guide

Weight Loss

min read

Can a Thin Person Get Type 2 Diabetes? UK Guide

Can a thin person get type 2 diabetes? Yes—discover why weight isn't the only risk factor, how to recognise symptoms in lean individuals, and what UK guidance says about prevention and diagnosis for people at healthy weight.

Mounjaro

min read

Where to Buy Mounjaro in the UK: Safe & Regulated Options

Where to buy Mounjaro in the UK: explore regulated online pharmacies, high-street collection options, NHS pathways, and affordable providers. Learn how to access tirzepatide safely with proper clinical oversight and GPhC-registered services.

Does Victoza Expire? Shelf Life and Storage Guide

GLP-1 Brands

min read

Does Victoza Expire? Shelf Life and Storage Guide

Does Victoza expire? Learn about Victoza shelf life, storage requirements before and after opening, and what happens if you use expired liraglutide. Essential guidance for safe diabetes management.

How Much Magnesium Per Day for a Woman: UK Guidelines

Supplements

min read

How Much Magnesium Per Day for a Woman: UK Guidelines

Discover how much magnesium per day women need in the UK. Learn the recommended 270 mg daily intake, best food sources, signs of deficiency, and when supplements may be appropriate for optimal health.

Is Tadalafil a Diuretic? Understanding How Tadalafil Works

Erectile Dysfunction

min read

Is Tadalafil a Diuretic? Understanding How Tadalafil Works

Is tadalafil a diuretic? Discover the truth about how tadalafil works, its effects on urination, and why it's not a water tablet. Expert UK guidance on tadalafil for erectile dysfunction and BPH.

GLP-1 Brands

min read

How Long Does Ozempic Take to Work?

Ozempic can affect blood sugar within weeks, but peak results take longer. Learn the full treatment timeline — from first dose to steady HbA1c control.

Best Vitamins for GLP-1 Users: UK Evidence-Based Guide

Weight Loss

min read

Best Vitamins for GLP-1 Users: UK Evidence-Based Guide

Discover the best vitamins for GLP-1 users in the UK. Learn which essential nutrients may need attention during semaglutide or liraglutide therapy, when supplementation is appropriate, and how to choose quality supplements with evidence-based guidance from healthcare professionals.

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

Does Donating Blood Cause Erectile Dysfunction? Evidence and Advice

How Long Are Allergy Medications Good After Expiration?

Different Grades of Gynaecomastia: Causes, Diagnosis, and Treatment

Non-Scarring Hair Loss: Causes & Treatments

Accuracy of HbA1c Test: What Affects Results and Reliability

Best Allergy Medication for Sugar Allergies: UK Clinical Guide

Does Mounjaro Cause Diverticulitis? Evidence and Safety

Detox Water for Fatty Liver: Evidence and NHS Guidance

Can a Thin Person Get Type 2 Diabetes? UK Guide

Where to Buy Mounjaro in the UK: Safe & Regulated Options

Does Victoza Expire? Shelf Life and Storage Guide

How Much Magnesium Per Day for a Woman: UK Guidelines

Is Tadalafil a Diuretic? Understanding How Tadalafil Works

How Long Does Ozempic Take to Work?

Best Vitamins for GLP-1 Users: UK Evidence-Based Guide