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.

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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.

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.

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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.

Ozempic Headaches: Causes, Duration & How to Cope

GLP-1 Brands

min read

Ozempic Headaches: Causes, Duration & How to Cope

Headaches are a known Ozempic side effect, affecting up to 1 in 10 patients. Learn why they happen, how long they last, and how to manage them safely.

Long-Term Rogaine Use and Man Boobs: What the Evidence Shows

Weight Loss

min read

Long-Term Rogaine Use and Man Boobs: What the Evidence Shows

Long-term Rogaine use and man boobs: does minoxidil (Regaine) cause gynaecomastia? Explore the clinical evidence, real causes of breast tissue changes, and when to see a GP.

Eicosapentaenoic Acid (EPA): Uses, Dosage & Benefits

Supplements

min read

Eicosapentaenoic Acid (EPA): Uses, Dosage & Benefits

Learn what EPA does, how icosapent ethyl differs from fish oil, and what UK clinical guidance says about dosage, safety, and cardiovascular support.

Vitamin D Ergocalciferol: Uses, Dosage and Safety in the UK

Supplements

min read

Vitamin D Ergocalciferol: Uses, Dosage and Safety in the UK

Discover how vitamin D ergocalciferol works to treat deficiency in the UK. Learn about dosing, side effects, safety considerations, and when this plant-based vitamin D2 supplement is prescribed by GPs.

Causes of False High HbA1c: Conditions, Medications, and Lab Errors

Weight Loss

min read

Causes of False High HbA1c: Conditions, Medications, and Lab Errors

Causes of false high HbA1c include iron deficiency anaemia, haemoglobin variants, and lab errors. Learn what can artificially raise your result and when to request a repeat test.

Is Tadalafil Safe for Heart Patients? NHS Guidance

Erectile Dysfunction

min read

Is Tadalafil Safe for Heart Patients? NHS Guidance

Is tadalafil safe for heart patients? Discover NHS and MHRA guidance on using tadalafil with cardiovascular disease, including contraindications with nitrates, safety considerations, and alternative treatment options for cardiac patients with erectile dysfunction.

Gastric Sleeve vs Gastric Bypass: Key Differences Explained

Weight Loss

min read

Gastric Sleeve vs Gastric Bypass: Key Differences Explained

The difference between gastric sleeve and gastric bypass explained — how each procedure works, weight loss outcomes, risks, NHS eligibility, and long-term lifestyle changes. UK clinical guidance.

Is a 700 Calorie Deficit Good? NHS and NICE Guidance Explained

Weight Loss

min read

Is a 700 Calorie Deficit Good? NHS and NICE Guidance Explained

Is a 700 calorie deficit good for weight loss? Discover what NHS and NICE guidance says, the potential risks of long-term restriction, and how to achieve a safe, sustainable deficit.

Mounjaro

min read

Will Mounjaro Get Rid of Belly Fat? UK Clinical Evidence

Discover how Mounjaro (tirzepatide) affects belly fat and overall weight loss. Learn about clinical evidence, realistic expectations, safety considerations, and UK prescribing guidelines for this dual GIP/GLP-1 receptor agonist.

How Long Do Hives Last From a Medication Allergy?

Supplements

min read

How Long Do Hives Last From a Medication Allergy?

How long do hives last from a medication allergy? Most drug-induced hives clear within days to six weeks of stopping the drug. Learn about causes, treatments, and when to seek urgent NHS care.

Hair Loss

min read

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

MONAT and hair loss explained: can MONAT products cause shedding? Explore the evidence, UK regulations, common hair loss causes, and NHS-recommended treatments.

Cost

min read

Chemist4U Mounjaro Cost: UK Pricing and Access Guide

Discover Chemist4U Mounjaro cost, pricing options, and how to access tirzepatide safely through UK online pharmacies. Compare NHS vs private prescriptions and understand regulatory requirements for type 2 diabetes treatment.

Does Saxenda Hurt? What to Expect from Injections

GLP-1 Brands

min read

Does Saxenda Hurt? What to Expect from Injections

Do Saxenda injections hurt? Discover expert tips on injection sites, pen needles and technique to reduce discomfort for UK patients.

How Many Calories After Gastric Sleeve: NHS-Aligned Recovery Guide

Weight Loss

min read

How Many Calories After Gastric Sleeve: NHS-Aligned Recovery Guide

How many calories after gastric sleeve surgery? Discover NHS-aligned calorie targets for every recovery stage, protein goals, foods to eat and avoid, and when to contact your bariatric team.

Wegovy and Saxenda Cost: UK NHS vs Private Prices Compared

GLP-1 Brands

min read

Wegovy and Saxenda Cost: UK NHS vs Private Prices Compared

Discover the true cost of Wegovy and Saxenda in the UK. Compare NHS eligibility criteria with private prescription prices, understand what affects treatment costs, and learn which option offers better value for weight management.

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

Ozempic Headaches: Causes, Duration & How to Cope

Long-Term Rogaine Use and Man Boobs: What the Evidence Shows

Eicosapentaenoic Acid (EPA): Uses, Dosage & Benefits

Vitamin D Ergocalciferol: Uses, Dosage and Safety in the UK

Causes of False High HbA1c: Conditions, Medications, and Lab Errors

Is Tadalafil Safe for Heart Patients? NHS Guidance

Gastric Sleeve vs Gastric Bypass: Key Differences Explained

Is a 700 Calorie Deficit Good? NHS and NICE Guidance Explained

Will Mounjaro Get Rid of Belly Fat? UK Clinical Evidence

How Long Do Hives Last From a Medication Allergy?

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

Chemist4U Mounjaro Cost: UK Pricing and Access Guide

Does Saxenda Hurt? What to Expect from Injections

How Many Calories After Gastric Sleeve: NHS-Aligned Recovery Guide

Wegovy and Saxenda Cost: UK NHS vs Private Prices Compared