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.

Allergy Medication While on the Butrans Patch: UK Safety Guide

Supplements

min read

Allergy Medication While on the Butrans Patch: UK Safety Guide

Allergy medication while on the Butrans patch — find out which antihistamines are safer, which interactions to avoid, and when to consult your GP or pharmacist. UK-focused, NHS-aligned guidance.

Eating Too Much on Ozempic: Causes and Management Strategies

GLP-1 Brands

min read

Eating Too Much on Ozempic: Causes and Management Strategies

Discover why eating too much on Ozempic still happens despite appetite suppression. Learn evidence-based strategies to manage portion sizes, recognise when to seek medical advice, and optimise your diet for better diabetes control whilst taking semaglutide.

Zinc and L-Carnosine: Clinical Evidence, Dosage and Safety Guide

Supplements

min read

Zinc and L-Carnosine: Clinical Evidence, Dosage and Safety Guide

Discover how zinc and L-carnosine works for gastric health, evidence-based dosage guidance, potential side effects, and what to consider before supplementing. Expert UK clinical review.

Do Allergies Count as a Medical Condition? UK Guide

Supplements

min read

Do Allergies Count as a Medical Condition? UK Guide

Do allergies count as a medical condition in the UK? Yes — the NHS and NICE formally recognise allergies as clinically significant. Learn about diagnosis, treatments, and when to seek help.

How Much B12 Daily: UK Recommended Intake by Age

Supplements

min read

How Much B12 Daily: UK Recommended Intake by Age

How much B12 daily should you take? Discover UK-recommended vitamin B12 intake for all ages, from infants to older adults. Learn when you need more B12, signs of deficiency, dietary sources, and supplementation guidance based on NHS and NICE recommendations.

Loratadine After Gastric Sleeve: Safe Dosing Guide

Weight Loss

min read

Loratadine After Gastric Sleeve: Safe Dosing Guide

Find out if loratadine (Clarityn) is safe after gastric sleeve surgery, which formulations to choose, and how many tablets you can take each day.

Does Caffeine Affect Sildenafil? UK Safety Guidance

Erectile Dysfunction

min read

Does Caffeine Affect Sildenafil? UK Safety Guidance

Does caffeine affect sildenafil? Discover whether your coffee or tea consumption interferes with erectile dysfunction medication, plus essential safety guidance on combining caffeine with sildenafil from UK clinical sources.

Endoscopy With a Gastric Band: Safety, Risks, and How to Prepare

Weight Loss

min read

Endoscopy With a Gastric Band: Safety, Risks, and How to Prepare

Can you have an endoscopy with a gastric band? Yes — find out how gastroscopy is performed safely in gastric band patients, when it's recommended, and how to prepare.

Are Salads Good for Fatty Liver? Evidence-Based Guidance

Weight Loss

min read

Are Salads Good for Fatty Liver? Evidence-Based Guidance

Are salads good for fatty liver? Discover how the right salad ingredients can support liver health in NAFLD, which foods to include and avoid, and how to build a liver-friendly eating plan backed by NHS and NICE guidance.

Can Fatty Liver Cause Alopecia? Evidence and What to Know

Weight Loss

min read

Can Fatty Liver Cause Alopecia? Evidence and What to Know

Can fatty liver cause alopecia? Discover the evidence-based connection between fatty liver disease and hair loss, including shared risk factors, when to seek medical advice, and what your GP can do to help identify underlying causes.

Natural Antihistamines & Allergy Remedies: UK Guide

Supplements

min read

Natural Antihistamines & Allergy Remedies: UK Guide

Explore natural antihistamines and allergy remedies with real evidence behind them. Find out what may help hay fever, safety tips, and when to see your GP.

How Does Rybelsus Lower Blood Sugar in Type 2 Diabetes?

GLP-1 Brands

min read

How Does Rybelsus Lower Blood Sugar in Type 2 Diabetes?

Discover how Rybelsus lowers blood sugar through its unique GLP-1 mechanism. Learn about expected HbA1c reductions, time to effect, dosing requirements, and factors affecting treatment response in type 2 diabetes management.

Hair Loss

min read

Baldness Hair Loss Treatment: Causes, Options and UK Guidance

Baldness hair loss treatment options explained — from minoxidil and finasteride to NHS guidance, NICE-approved therapies, and lifestyle tips. Find out what works and when to see a doctor.

Erectile Dysfunction

min read

Does Doxycycline Cause Erectile Dysfunction? UK Clinical Evidence

Does doxycycline cause erectile dysfunction? Discover the clinical evidence, which medications genuinely affect sexual function, and when to consult your GP about erectile difficulties whilst taking antibiotics.

Erectile Dysfunction

min read

Does Castor Oil Help with Erectile Dysfunction? Evidence and Treatments

Does castor oil help with erectile dysfunction? Discover the evidence behind this claim, learn about proven ED treatments recommended by NICE, and find out when to see your GP for persistent erectile difficulties.

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

Allergy Medication While on the Butrans Patch: UK Safety Guide

Eating Too Much on Ozempic: Causes and Management Strategies

Zinc and L-Carnosine: Clinical Evidence, Dosage and Safety Guide

Do Allergies Count as a Medical Condition? UK Guide

How Much B12 Daily: UK Recommended Intake by Age

Loratadine After Gastric Sleeve: Safe Dosing Guide

Does Caffeine Affect Sildenafil? UK Safety Guidance

Endoscopy With a Gastric Band: Safety, Risks, and How to Prepare

Are Salads Good for Fatty Liver? Evidence-Based Guidance

Can Fatty Liver Cause Alopecia? Evidence and What to Know

Natural Antihistamines & Allergy Remedies: UK Guide

How Does Rybelsus Lower Blood Sugar in Type 2 Diabetes?

Baldness Hair Loss Treatment: Causes, Options and UK Guidance

Does Doxycycline Cause Erectile Dysfunction? UK Clinical Evidence

Does Castor Oil Help with Erectile Dysfunction? Evidence and Treatments