Bolt Guides

Expert insights on weight loss and more.

Featured

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

GLP-1 Brands

min read

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

Retatrutide dosage explained: learn what Phase 2 trial data reveals about weekly doses, how this triple agonist works, its safety profile, UK regulatory status, and when it may become available.

Read now

Weight loss

Read all on weight loss

Stricture After Gastric Sleeve: Causes, Symptoms and UK Treatment

Weight Loss

min read

Stricture After Gastric Sleeve: Causes, Symptoms and UK Treatment

What is a stricture after gastric sleeve surgery? Learn about the causes, symptoms, diagnosis, and NHS treatment options for sleeve gastrectomy stenosis in this expert UK guide.

Body Odour and Intermittent Fasting: Causes, Management and NHS Guidance

Weight Loss

min read

Body Odour and Intermittent Fasting: Causes, Management and NHS Guidance

Body odour during intermittent fasting explained — discover why fasting causes changes in sweat and breath smell, when to seek medical advice, and NHS-aligned tips to manage it effectively.

COVID Treatment for Obese Patients: NHS Guidance and Care

Weight Loss

min read

COVID Treatment for Obese Patients: NHS Guidance and Care

Comprehensive guide to COVID treatment for obese patients: NHS-recommended antivirals, corticosteroids, hospital care protocols, dosing considerations, and long COVID recovery support based on UK clinical guidance.

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 Dosage: What Clinical Trial Evidence Currently Shows

Retatrutide dosage explained: learn what Phase 2 trial data reveals about weekly doses, how this triple agonist works, its safety profile, UK regulatory status, and when it may become available.

Read now

Retatrutide Not Working: Causes, Solutions and UK Alternatives

GLP-1 Brands

min read

Retatrutide Not Working: Causes, Solutions and UK Alternatives

Retatrutide not working? Discover the clinical and lifestyle reasons behind suboptimal results, when to contact your GP, and MHRA-approved alternatives available in the UK.

How to Use the Lyxumia Pen: Step-by-Step Guide

GLP-1 Brands

min read

How to Use the Lyxumia Pen: Step-by-Step Guide

Learn how to use the Lyxumia pen correctly with our step-by-step guide. Discover proper injection technique, storage tips, troubleshooting advice, and essential safety information for effective type 2 diabetes management.

How to Inject Victoza: Sites, Technique & Rotation

GLP-1 Brands

min read

How to Inject Victoza: Sites, Technique & Rotation

Find out how to inject Victoza safely — including the best injection sites, step-by-step technique, and site rotation tips for effective liraglutide use.

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

Sildenafil and Timing: How Long It Takes to Work and Last

Erectile Dysfunction

min read

Sildenafil and Timing: How Long It Takes to Work and Last

Does sildenafil increase timing? Find out how long sildenafil takes to work, how long it lasts, and what affects its effectiveness — with UK NHS and NICE guidance.

Read now

Testosterone

min read

Is Testosterone Treatment Real Testosterone or Synthetic? UK Guide

Is testosterone treatment real testosterone or synthetic? Discover the truth about TRT medications in the UK. All licensed preparations contain bioidentical testosterone—molecularly identical to your body's natural hormone. Learn about regulation, safety, and what to expect from legitimate treatment.

Testosterone

min read

Does Testosterone Treatment Help with Gynaecomastia? UK Evidence Review

Does testosterone treatment help with gynaecomastia? Discover the complex relationship between testosterone therapy and male breast enlargement, when it might help, and why it can sometimes worsen the condition. Evidence-based UK guidance explained.

When to Start Testogel: Clinical Indications and Guidelines

Testosterone

min read

When to Start Testogel: Clinical Indications and Guidelines

Discover when to start Testogel for testosterone replacement therapy. Expert guidance on clinical indications, essential blood tests, dosing protocols, contraindications, and monitoring requirements for safe TRT initiation in the UK.

Does Ozempic Get Rid of Belly Fat? UK Evidence and Guidance

GLP-1 Brands

min read

Does Ozempic Get Rid of Belly Fat? UK Evidence and Guidance

Does Ozempic get rid of belly fat? Discover what clinical evidence reveals about semaglutide's effects on abdominal fat, who can use it in the UK, and realistic weight loss expectations based on NICE guidance and MHRA-approved indications.

When to Stop Taking CoQ10 for Fertility: Expert Guidance

Supplements

min read

When to Stop Taking CoQ10 for Fertility: Expert Guidance

Discover when to stop taking CoQ10 for fertility treatment, including guidance on discontinuation during IVF, pregnancy confirmation, and potential side effects. Expert advice on safe supplementation timing.

Weight Loss

min read

Can You Take Weight Loss Injections on a Plane? UK Guide

Can you take weight loss injections on a plane? Yes—discover UK regulations, packing requirements, documentation needed, and security procedures for travelling with Wegovy, Saxenda, and Mounjaro injections safely.

Gynaecomastia Surgery Under Local Anaesthesia: UK Patient Guide

Weight Loss

min read

Gynaecomastia Surgery Under Local Anaesthesia: UK Patient Guide

Can gynaecomastia surgery be done under local anaesthesia? Find out which patients are suitable, what the procedure involves, risks to consider, and how to access NHS or private treatment in the UK.

Should Tadalafil Be Taken With Food? UK Guidance

Erectile Dysfunction

min read

Should Tadalafil Be Taken With Food? UK Guidance

Should tadalafil be taken with food? Discover how meals affect tadalafil absorption, optimal timing for effectiveness, foods to avoid, and expert guidance on using this ED medication safely and conveniently in the UK.

How Saxenda Works for Weight Loss: GLP-1 Explained

GLP-1 Brands

min read

How Saxenda Works for Weight Loss: GLP-1 Explained

Learn how Saxenda (liraglutide 3.0 mg) works as a GLP-1 receptor agonist to support weight loss, with clinical evidence and UK prescribing guidance.

Weight Loss

min read

Best Keto Pills for Weight Loss: Evidence, Safety, and UK Alternatives

Best keto pills for weight loss — do they actually work? Discover what the evidence says, how UK regulations apply, and which MHRA-licensed treatments are clinically proven for weight management.

Magtein Magnesium L-Threonate: Evidence, Safety and UK Guidance

Supplements

min read

Magtein Magnesium L-Threonate: Evidence, Safety and UK Guidance

Magtein magnesium L-threonate: what is it, does it work for cognitive function, and is it safe? Expert review of the evidence, dosage, side effects, and how it compares to other magnesium supplements. UK clinical guidance included.

Hair Loss

min read

Washing Hair Every Day and Hair Loss: What the Evidence Says

Washing hair every day and hair loss — does daily shampooing really damage your follicles? Discover what UK dermatological evidence says, plus expert tips to protect hair health.

Air Bubble in Subcutaneous Injection: Safe? How to Remove

Weight Loss

min read

Air Bubble in Subcutaneous Injection: Safe? How to Remove

What happens if you inject an air bubble? Learn why small bubbles in GLP-1 pens like Wegovy and Ozempic are harmless and how to remove them properly.

HbA1c on an Empty Stomach: Do You Need to Fast?

Weight Loss

min read

HbA1c on an Empty Stomach: Do You Need to Fast?

HbA1c on an empty stomach — do you need to fast? Find out why fasting isn't required, how the test works, NHS result thresholds, and when other diabetes tests are used instead.

Garden of Life Raw Resveratrol: UK Guide to Benefits and Safety

Supplements

min read

Garden of Life Raw Resveratrol: UK Guide to Benefits and Safety

Discover what Garden of Life Raw Resveratrol is, how it works, potential benefits, safety considerations, and where to buy in the UK. Expert guidance on this resveratrol supplement with evidence-based information.

Retatrutide Triple Hormone Receptor Agonist: Mechanism, Evidence, and UK Status

GLP-1 Brands

min read

Retatrutide Triple Hormone Receptor Agonist: Mechanism, Evidence, and UK Status

Retatrutide, the triple hormone receptor agonist peptide for obesity, shows promising Phase 2 results. Learn how it works, its safety profile, UK regulatory status, and how to discuss it with your GP.

Retatrutide Injections: Do You Inject Into Fat and How?

GLP-1 Brands

min read

Retatrutide Injections: Do You Inject Into Fat and How?

Do you inject retatrutide into fat? Yes — it's a subcutaneous injection into the fatty tissue beneath the skin. Learn correct technique, injection sites, side effects, and the UK regulatory status of this investigational medicine.

Is Tadalafil Addictive? Dependence & Safe Use

Erectile Dysfunction

min read

Is Tadalafil Addictive? Dependence & Safe Use

Tadalafil does not cause physical addiction, but psychological dependence can occur. Learn the difference, long-term effects, and when to seek NHS advice.

Bolt Guides

Featured

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

Weight loss

Stricture After Gastric Sleeve: Causes, Symptoms and UK Treatment

Body Odour and Intermittent Fasting: Causes, Management and NHS Guidance

COVID Treatment for Obese Patients: NHS Guidance and Care

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

Retatrutide Not Working: Causes, Solutions and UK Alternatives

How to Use the Lyxumia Pen: Step-by-Step Guide

How to Inject Victoza: Sites, Technique & Rotation

Men’s Health

Testosterone

Erectile dysfunction

Sildenafil and Timing: How Long It Takes to Work and Last

Is Testosterone Treatment Real Testosterone or Synthetic? UK Guide

Does Testosterone Treatment Help with Gynaecomastia? UK Evidence Review

When to Start Testogel: Clinical Indications and Guidelines

Browse all

Does Ozempic Get Rid of Belly Fat? UK Evidence and Guidance

When to Stop Taking CoQ10 for Fertility: Expert Guidance

Can You Take Weight Loss Injections on a Plane? UK Guide

Gynaecomastia Surgery Under Local Anaesthesia: UK Patient Guide

Should Tadalafil Be Taken With Food? UK Guidance

How Saxenda Works for Weight Loss: GLP-1 Explained

Best Keto Pills for Weight Loss: Evidence, Safety, and UK Alternatives

Magtein Magnesium L-Threonate: Evidence, Safety and UK Guidance

Washing Hair Every Day and Hair Loss: What the Evidence Says

Air Bubble in Subcutaneous Injection: Safe? How to Remove

HbA1c on an Empty Stomach: Do You Need to Fast?

Garden of Life Raw Resveratrol: UK Guide to Benefits and Safety

Retatrutide Triple Hormone Receptor Agonist: Mechanism, Evidence, and UK Status

Retatrutide Injections: Do You Inject Into Fat and How?

Is Tadalafil Addictive? Dependence & Safe Use

Personalized weight management for women