Bolt Guides

Expert insights on weight loss and more.

Featured

How to Order from LillyDirect: UK Alternatives and Safety Guidance

Weight Loss

min read

How to Order from LillyDirect: UK Alternatives and Safety Guidance

How to order from LillyDirect explained — including why the US-only platform is unavailable in the UK and what safe, MHRA-regulated alternatives exist for accessing Mounjaro (tirzepatide) in the UK.

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Weight loss

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Weight Loss

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How to Order from LillyDirect: UK Alternatives and Safety Guidance

Lilly Direct vs LillyDirect Self-Pay: UK Patient Guide

Weight Loss

min read

Lilly Direct vs LillyDirect Self-Pay: UK Patient Guide

Lilly Direct vs LillyDirect self-pay: find out why LillyDirect doesn't operate in the UK, what self-pay options exist for Mounjaro and Zepbound, and how to access Lilly medicines safely through regulated UK providers.

LillyDirect: What It Is and What UK Patients Should Know

Weight Loss

min read

LillyDirect: What It Is and What UK Patients Should Know

LillyDirect is Eli Lilly's US direct-to-patient platform for medicines including tirzepatide. Learn how it works, which conditions it covers, and what UK patients need to know about accessing GLP-1 therapies safely.

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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.

Read Mounjaro guides

GLP-1 Brands

min read

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide injections explained: learn how this investigational triple agonist is administered in clinical trials, including technique, dosing, storage, and UK safety guidance.

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Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

GLP-1 Brands

min read

Retatrutide: What It Is Made Of and How It Works

Retatrutide is a synthetic triple receptor agonist peptide targeting GLP-1, GIP, and glucagon receptors. Learn how it works, what it's made of, and its current UK regulatory status.

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

GLP-1 Brands

min read

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Feeling cold on retatrutide? Learn why this happens, how common it is in clinical trials, when to seek medical advice, and practical tips to manage cold sensations safely.

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.

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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

How to Treat Rash From Testosterone Treatment: Expert Guide

Discover how to treat rash from testosterone treatment with expert guidance on identifying skin reactions, immediate management steps, medical treatments, and prevention strategies to continue TRT safely and comfortably.

Testosterone

min read

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

Does testosterone treatment cause muscle pain? Discover the evidence on muscle discomfort during TRT, including causes, when to seek help, and how to manage symptoms safely. Expert UK guidance for patients and clinicians.

How Much Testogel Should a Man Use? UK Dosage Guide

Testosterone

min read

How Much Testogel Should a Man Use? UK Dosage Guide

How much Testogel should a man use? Discover recommended starting doses, how to adjust treatment based on testosterone levels, proper application techniques, and essential safety guidance for men prescribed this testosterone replacement therapy in the UK.

Can Trazodone Cause Gynaecomastia? UK Evidence and Guidance

Weight Loss

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Can Trazodone Cause Gynaecomastia? UK Evidence and Guidance

Can trazodone cause gynaecomastia? Learn what the UK evidence shows, which drugs are established causes, when to see your GP, and how to report suspected side effects via the MHRA Yellow Card scheme.

GLP-1 Brands

min read

How Long Does Ozempic Take to Work?

Discover how quickly Ozempic works, from week one blood glucose changes to full effects in 3–6 months. Learn the dosing timeline and what to expect.

Wegovy

min read

How to Travel with Wegovy on a Plane: UK Guide

Discover how to travel with Wegovy on a plane from the UK. Learn essential packing tips, airport security rules, temperature control requirements, and documentation needed for safe air travel with your semaglutide injections.

Cost

min read

The Family Chemist Wegovy Cost: NHS vs Private Pricing Guide

Discover The Family Chemist Wegovy cost for NHS and private prescriptions. Learn about monthly pricing (£200–£300 privately), eligibility criteria, dose escalation costs, and how to access semaglutide weight management treatment safely in the UK.

Hair Loss

min read

Does Masturbation Cause Hair Loss? Myths vs Medical Evidence

Does masturbation cause hair loss? We debunk this persistent myth, explain the real causes of alopecia, and outline evidence-based NHS treatments available in the UK.

Bariatric Surgery in Turkey: UK Patient Guide to Safety and Aftercare

Weight Loss

min read

Bariatric Surgery in Turkey: UK Patient Guide to Safety and Aftercare

Bariatric surgery in Turkey: understand costs, procedures, safety standards, and NHS aftercare. Essential UK patient guidance before choosing weight loss surgery abroad.

Can You Take Tums After Gastric Sleeve Surgery? UK Guide

Weight Loss

min read

Can You Take Tums After Gastric Sleeve Surgery? UK Guide

Can you take Tums after gastric sleeve surgery? Learn what UK specialists recommend for managing acid reflux post-sleeve, including safe antacid use, PPIs, and when to seek medical advice.

Are Canned Sardines Good for Fatty Liver Disease?

Weight Loss

min read

Are Canned Sardines Good for Fatty Liver Disease?

Discover whether canned sardines are good for fatty liver disease. Learn how omega-3-rich sardines fit into a liver-friendly diet, plus practical tips for incorporating them into meals that support metabolic health and weight management.

Normal Value of Vitamin B12: UK Reference Ranges and Testing

Supplements

min read

Normal Value of Vitamin B12: UK Reference Ranges and Testing

Discover the normal value of vitamin B12 in the UK (typically 133–675 pmol/L), how to interpret your test results, symptoms of deficiency, and when to request testing. Expert guidance on B12 levels and clinical significance.

Does Victoza Cause Cancer? Evidence and UK Guidance

GLP-1 Brands

min read

Does Victoza Cause Cancer? Evidence and UK Guidance

Does Victoza cause cancer? Explore the evidence from animal studies and human trials, UK regulatory guidance, thyroid cancer risk, and what patients need to know about liraglutide safety.

Gastric Sleeve vs Lap Band: Pros, Cons and UK Guidance

Weight Loss

min read

Gastric Sleeve vs Lap Band: Pros, Cons and UK Guidance

Gastric sleeve vs lap band — compare the pros, cons, risks, and weight loss outcomes of both procedures. Expert UK guidance to help you make an informed bariatric surgery decision.

Do Calories Burned Count Towards Your Deficit? UK Guide

Weight Loss

min read

Do Calories Burned Count Towards Your Deficit? UK Guide

Do calories burned count towards your deficit? Find out how exercise affects your calorie deficit, how to calculate TDEE and BMR, and what NHS and NICE guidance says about safe weight loss.

Do Statins Increase HbA1c? Evidence, Risks and Monitoring Guidance

Weight Loss

min read

Do Statins Increase HbA1c? Evidence, Risks and Monitoring Guidance

Do statins increase HbA1c? Learn how statins affect blood glucose, who is most at risk, what NICE guidance recommends for monitoring, and how to weigh cardiovascular benefits against diabetes risk.

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Weight Loss

min read

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Protein shakes for gastric sleeve surgery: find out when to start, how to choose the right product, daily protein targets, and how to transition to a balanced diet. NHS-aligned guidance.

Boronate Affinity HbA1c Principle: Method, Accuracy, and NHS Clinical Use

Weight Loss

min read

Boronate Affinity HbA1c Principle: Method, Accuracy, and NHS Clinical Use

Boronate affinity HbA1c principle explained: discover how phenylboronic acid selectively binds glycated haemoglobin, why it matters for NHS diabetes testing, and key accuracy and interference considerations.

Bolt Guides

Featured

How to Order from LillyDirect: UK Alternatives and Safety Guidance

Weight loss

How to Order from LillyDirect: UK Alternatives and Safety Guidance

Lilly Direct vs LillyDirect Self-Pay: UK Patient Guide

LillyDirect: What It Is and What UK Patients Should Know

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Retatrutide in Pill Form: What UK Patients Need to Know

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

How to Treat Rash From Testosterone Treatment: Expert Guide

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

How Much Testogel Should a Man Use? UK Dosage Guide

Browse all

Can Trazodone Cause Gynaecomastia? UK Evidence and Guidance

How Long Does Ozempic Take to Work?

How to Travel with Wegovy on a Plane: UK Guide

The Family Chemist Wegovy Cost: NHS vs Private Pricing Guide

Does Masturbation Cause Hair Loss? Myths vs Medical Evidence

Bariatric Surgery in Turkey: UK Patient Guide to Safety and Aftercare

Can You Take Tums After Gastric Sleeve Surgery? UK Guide

Are Canned Sardines Good for Fatty Liver Disease?

Normal Value of Vitamin B12: UK Reference Ranges and Testing

Does Victoza Cause Cancer? Evidence and UK Guidance

Gastric Sleeve vs Lap Band: Pros, Cons and UK Guidance

Do Calories Burned Count Towards Your Deficit? UK Guide

Do Statins Increase HbA1c? Evidence, Risks and Monitoring Guidance

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Boronate Affinity HbA1c Principle: Method, Accuracy, and NHS Clinical Use