Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Switching from Wegovy injection to pill? Learn how the UK-approved transition from 2.4 mg weekly injections to 25 mg daily tablets works, who it suits, and what to expect.

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Weight loss

Read all on weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

Weight Loss

min read

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

POTS after bariatric surgery: understand why it develops, how to recognise symptoms, NHS treatment options, lifestyle adjustments, and when to seek urgent medical advice.

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Weight Loss

min read

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Blood glucose readings for non-diabetics explained: discover normal UK ranges, how tests work, what affects your results, and when to see your GP. Evidence-based NHS guidance.

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

Weight Loss

min read

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

How to reverse a 5.8% HbA1c with NHS-backed diet, exercise, and lifestyle advice. Understand what your result means, how long changes take, and when to see your GP.

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 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.

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

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.

Does Tadalafil Cause Acne? Side Effects Explained

Erectile Dysfunction

min read

Does Tadalafil Cause Acne? Side Effects Explained

Acne is not a recognised tadalafil side effect. Find out what UK evidence says about tadalafil and skin reactions, and when to seek medical advice.

Gastric Band and Fibromyalgia: UK Eligibility, Risks, and Guidelines

Weight Loss

min read

Gastric Band and Fibromyalgia: UK Eligibility, Risks, and Guidelines

Gastric band surgery and fibromyalgia: understand UK eligibility criteria, NICE guidelines, medication considerations, nutritional monitoring, and how to talk to your NHS care team about bariatric options.

Paxil and Allergy Medication: Interactions, Risks, and UK Guidance

Supplements

min read

Paxil and Allergy Medication: Interactions, Risks, and UK Guidance

Paxil (paroxetine/Seroxat) and allergy medication interactions explained for UK patients. Learn which antihistamines are safest, what risks to watch for, and when to seek NHS advice.

Calorie Deficit After Gynaecomastia Surgery: When to Safely Resume

Weight Loss

min read

Calorie Deficit After Gynaecomastia Surgery: When to Safely Resume

Calorie deficit after gynaecomastia surgery: find out when it's safe to resume, how under-eating affects wound healing, and what NHS-aligned dietary guidance recommends for a safe recovery.

Calorie Deficit: Shopping & Meal Planning Guide

Weight Loss

min read

Calorie Deficit: Shopping & Meal Planning Guide

Learn how to create a calorie-controlled diet with practical shopping and meal planning tips aligned with NHS guidance for safe, sustainable weight loss.

Is Tadalafil Good for Working Out? Risks and Safe Alternatives

Erectile Dysfunction

min read

Is Tadalafil Good for Working Out? Risks and Safe Alternatives

Is tadalafil good for working out? Discover why this prescription medicine isn't approved for exercise enhancement, the serious risks of off-label use, and evidence-based alternatives to safely improve your workout performance and fitness goals.

How Long Does Magnesium Citrate Take to Work? UK Guide

Supplements

min read

How Long Does Magnesium Citrate Take to Work? UK Guide

How long does magnesium citrate take to work? Discover the typical 2-6 hour timeframe, factors affecting onset, what to expect, and essential UK safety guidance for this osmotic laxative used in bowel preparation and constipation relief.

Is Salt Bad for Fatty Liver? Evidence and Dietary Guidance

Weight Loss

min read

Is Salt Bad for Fatty Liver? Evidence and Dietary Guidance

Discover whether salt is bad for fatty liver disease. Learn how sodium affects liver health, recommended intake levels, and evidence-based dietary strategies to support hepatic function and reduce fat accumulation in the liver.

Leptin & Obesity Treatment: Discovery to UK Use

Weight Loss

min read

Leptin & Obesity Treatment: Discovery to UK Use

Discover how leptin shaped obesity science since 1994, why it failed most patients, and what treatments are available on the NHS today.

Ubiquinone vs Ubiquinol CoQ10: Key Differences and Effectiveness

Supplements

min read

Ubiquinone vs Ubiquinol CoQ10: Key Differences and Effectiveness

Ubiquinone vs ubiquinol CoQ10: discover the key differences between these two forms of Coenzyme Q10, including bioavailability, effectiveness, safety, and which form may be most suitable for your individual needs.

Does Tadalafil Affect Vision? UK Safety Guidance

Erectile Dysfunction

min read

Does Tadalafil Affect Vision? UK Safety Guidance

Does tadalafil affect vision? Discover how this PDE5 inhibitor can cause visual side effects, when to seek urgent medical help, who's at higher risk, and essential safety guidance from UK regulatory authorities.

Berberine for Insulin Resistance: UK Guide

Supplements

min read

Berberine for Insulin Resistance: UK Guide

Explore how berberine may support insulin sensitivity, its mechanisms, clinical evidence, dosing and UK safety guidance for metabolic health.

Zinc and Hair Loss: Deficiency, Intake and Treatment

Supplements

min read

Zinc and Hair Loss: Deficiency, Intake and Treatment

Discover the connection between zinc and hair loss, including how deficiency affects hair growth, recommended intake levels, dietary sources, and when to seek medical advice for hair loss concerns.

Feeling Faint on Ozempic: Causes, Management and When to Seek Help

GLP-1 Brands

min read

Feeling Faint on Ozempic: Causes, Management and When to Seek Help

Feeling faint on Ozempic? Discover why dizziness occurs with semaglutide, how to manage symptoms safely, when to seek medical advice, and practical strategies to prevent faintness during treatment for type 2 diabetes.

Mushy Foods After Gastric Sleeve: UK Dietary Guide for Recovery

Weight Loss

min read

Mushy Foods After Gastric Sleeve: UK Dietary Guide for Recovery

Mushy foods after gastric sleeve surgery explained — discover what to eat, what to avoid, portion guidance, and UK nutritional advice to support safe recovery.

Bolt Guides

Featured

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

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

Does Tadalafil Cause Acne? Side Effects Explained

Gastric Band and Fibromyalgia: UK Eligibility, Risks, and Guidelines

Paxil and Allergy Medication: Interactions, Risks, and UK Guidance

Calorie Deficit After Gynaecomastia Surgery: When to Safely Resume

Calorie Deficit: Shopping & Meal Planning Guide

Is Tadalafil Good for Working Out? Risks and Safe Alternatives

How Long Does Magnesium Citrate Take to Work? UK Guide

Is Salt Bad for Fatty Liver? Evidence and Dietary Guidance

Leptin & Obesity Treatment: Discovery to UK Use

Ubiquinone vs Ubiquinol CoQ10: Key Differences and Effectiveness

Does Tadalafil Affect Vision? UK Safety Guidance

Berberine for Insulin Resistance: UK Guide

Zinc and Hair Loss: Deficiency, Intake and Treatment

Feeling Faint on Ozempic: Causes, Management and When to Seek Help

Mushy Foods After Gastric Sleeve: UK Dietary Guide for Recovery