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.

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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.

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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.

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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

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.

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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.

Wegovy

min read

Does Wegovy Have B12 in It? Understanding Vitamin B12 and Wegovy

Does Wegovy contain vitamin B12? Find out why B12 matters during Wegovy treatment, how reduced appetite affects B12 intake, and when to speak to your GP about monitoring and supplementation.

Revision of Gastric Sleeve: Options, Risks, and UK Referral Guide

Weight Loss

min read

Revision of Gastric Sleeve: Options, Risks, and UK Referral Guide

Revision of gastric sleeve surgery explained: when it's needed, NHS and private options, risks, recovery, and how to get a referral in the UK. Read our expert guide.

Does Stomach Growling Mean Calorie Deficit? The Truth Explained

Weight Loss

min read

Does Stomach Growling Mean Calorie Deficit? The Truth Explained

Does stomach growling mean calorie deficit? Discover the truth behind stomach rumbling, what it really indicates about your energy balance, and how to recognise genuine hunger signals for healthy weight management.

Hair Loss

min read

What Medications Can Cause Hair Loss: A UK Clinical Guide

What medications can cause hair loss? Discover which drug classes are linked to alopecia, how to tell drug-induced hair loss apart from other causes, and what to do next — with UK clinical guidance.

Testosterone

min read

Can Testosterone Treatment Shrink Your Testicles? UK Guide

Can testosterone treatment shrink your testicles? Discover how TRT affects testicular size, why it happens, how common it is, management strategies including hCG, and when to seek medical advice for testicular symptoms during testosterone therapy.

Erectile Dysfunction

min read

A Bracelet for Erectile Dysfunction: Evidence and NHS Treatments

Considering a bracelet for erectile dysfunction? Discover why these wearable devices lack clinical evidence, how they differ from NHS-approved treatments, and why proper medical assessment is essential for effective ED management.

Mounjaro

min read

Mounjaro and Breast Cancer: Evidence, Safety and Monitoring

Explore the evidence on Mounjaro and breast cancer risk, including safety considerations for patients with breast cancer history, monitoring protocols, and when to seek medical advice. UK clinical guidance reviewed.

Testosterone

min read

Does Testogel Improve Libido in Men with Low Testosterone?

Does Testogel improve libido? Discover how this testosterone replacement therapy affects sex drive in men with confirmed hypogonadism, expected timeframes for improvement, who should avoid treatment, and evidence-based alternatives. UK clinical guidance included.

Cat Obesity Treatment: Veterinary Weight Management Guide

Weight Loss

min read

Cat Obesity Treatment: Veterinary Weight Management Guide

Discover evidence-based cat obesity treatment options including veterinary assessment, prescription diets, exercise strategies, and specialist care. Learn how to safely manage your cat's weight with expert guidance tailored to UK cat owners.

Vitamin D Blood Test: When You Need One and What Results Mean

Supplements

min read

Vitamin D Blood Test: When You Need One and What Results Mean

Discover when you need a vitamin D blood test, how to prepare, and what your results mean. Expert guidance on NHS testing criteria, reference ranges, and treatment options for deficiency in the UK.

Obesity-Related Glomerulopathy: Treatment Guide

Weight Loss

min read

Obesity-Related Glomerulopathy: Treatment Guide

Discover how UK specialists treat obesity-related glomerulopathy with renoprotective medications, weight loss strategies and long-term kidney monitoring.

Can Alpha-1 Antitrypsin Deficiency Cause Fatty Liver?

Weight Loss

min read

Can Alpha-1 Antitrypsin Deficiency Cause Fatty Liver?

Can alpha-1 antitrypsin deficiency cause fatty liver? Discover how AATD affects the liver, the link between protein accumulation and hepatic steatosis, and what treatment options are available for managing liver complications in this inherited condition.

Omega-3 Food Sources: UK Guide to Fish and Plant-Based Options

Supplements

min read

Omega-3 Food Sources: UK Guide to Fish and Plant-Based Options

Discover the best omega-3 food sources available in the UK, from oily fish to plant-based options. Evidence-based guidance on daily requirements, practical tips for increasing intake, and NHS-aligned advice for all dietary patterns and life stages.

How Fast Can You Lose Weight on Rybelsus? UK Clinical Evidence

GLP-1 Brands

min read

How Fast Can You Lose Weight on Rybelsus? UK Clinical Evidence

How fast can you lose weight on Rybelsus? Discover realistic timelines, clinical trial evidence, and safe expectations for this type 2 diabetes medication. Expert guidance on gradual weight loss, dosing schedules, and factors affecting individual results in UK practice.

Does Sildenafil Raise Testosterone Levels? Facts About Viagra and Hormones

Erectile Dysfunction

min read

Does Sildenafil Raise Testosterone Levels? Facts About Viagra and Hormones

Does sildenafil raise testosterone levels? Discover the facts about how Viagra works, its effects on male hormones, and what really influences testosterone production in men.

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 Wegovy Have B12 in It? Understanding Vitamin B12 and Wegovy

Revision of Gastric Sleeve: Options, Risks, and UK Referral Guide

Does Stomach Growling Mean Calorie Deficit? The Truth Explained

What Medications Can Cause Hair Loss: A UK Clinical Guide

Can Testosterone Treatment Shrink Your Testicles? UK Guide

A Bracelet for Erectile Dysfunction: Evidence and NHS Treatments

Mounjaro and Breast Cancer: Evidence, Safety and Monitoring

Does Testogel Improve Libido in Men with Low Testosterone?

Cat Obesity Treatment: Veterinary Weight Management Guide

Vitamin D Blood Test: When You Need One and What Results Mean

Obesity-Related Glomerulopathy: Treatment Guide

Can Alpha-1 Antitrypsin Deficiency Cause Fatty Liver?

Omega-3 Food Sources: UK Guide to Fish and Plant-Based Options

How Fast Can You Lose Weight on Rybelsus? UK Clinical Evidence

Does Sildenafil Raise Testosterone Levels? Facts About Viagra and Hormones

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