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.

Mounjaro

min read

Mounjaro Side Effects: Does It Cause Belching?

Mounjaro can cause belching & GI side effects. Learn why tirzepatide slows digestion and get practical tips to manage symptoms effectively.

Hair Loss

min read

Supplements for Hair Loss in Females: Evidence, Safety, and NHS Guidance

Supplements for hair loss in females: discover which nutritional deficiencies are linked to thinning hair, what the NHS and MHRA say, safety considerations, and when to see your GP.

Pepto-Bismol After Gastric Sleeve: Safety, Risks and Alternatives

Weight Loss

min read

Pepto-Bismol After Gastric Sleeve: Safety, Risks and Alternatives

Pepto-Bismol after gastric sleeve surgery — is it safe? Learn about bismuth subsalicylate risks, NHS guidance, drug interactions, and safer alternatives for post-bariatric digestive symptoms.

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.

What Is the Incretin Effect in Diabetes Control?

Weight Loss

min read

What Is the Incretin Effect in Diabetes Control?

What is the incretin effect and why does it matter for diabetes? Discover how gut hormones control insulin release after meals, why this effect is impaired in type 2 diabetes, and how incretin-based therapies like GLP-1 agonists work to restore blood sugar control.

Can't Sleep on Retatrutide? Causes, Management & UK Guidance

GLP-1 Brands

min read

Can't Sleep on Retatrutide? Causes, Management & UK Guidance

Can't sleep on retatrutide? Learn why this investigational triple receptor agonist may affect sleep, how common insomnia is in trials, and what UK guidance recommends for managing sleep difficulties safely.

Meats With Vitamin B12: Best Sources and Daily Requirements

Supplements

min read

Meats With Vitamin B12: Best Sources and Daily Requirements

Discover which meats with vitamin B12 provide the highest concentrations of this essential nutrient. Learn about daily requirements, organ meats, red meat, poultry options, and alternatives for maintaining optimal B12 status and preventing deficiency.

Wegovy

min read

Can I Take Wegovy If I Have Hypothyroidism? UK Guide

Can I take Wegovy if I have hypothyroidism? Discover whether Wegovy is safe with an underactive thyroid, key precautions, monitoring requirements, and what to discuss with your GP before starting treatment.

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Testosterone

min read

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Find out exactly how many pumps are in a Testogel bottle and how long it will last based on your prescribed dose. Essential UK guidance on testosterone gel dosing, application technique, and safety for effective hormone replacement therapy.

Mounjaro

min read

Mounjaro Sweet Taste in Mouth: Causes and Management

Experiencing a sweet taste in your mouth whilst taking Mounjaro? Discover why this happens, how common taste changes are with tirzepatide treatment, practical management strategies, and when to contact your GP about persistent symptoms.

Saxenda and Autoimmune Disease: Safety and Monitoring Guidance

GLP-1 Brands

min read

Saxenda and Autoimmune Disease: Safety and Monitoring Guidance

Saxenda and autoimmune disease: explore safety considerations, monitoring requirements, and alternative weight management options for patients with autoimmune conditions. Expert UK guidance on GLP-1 therapy.

Can You Eat Popcorn During Intermittent Fasting? UK Guide

Weight Loss

min read

Can You Eat Popcorn During Intermittent Fasting? UK Guide

Can you eat popcorn during intermittent fasting? Find out whether popcorn breaks your fast, its nutritional impact, and when it's safe to enjoy — with UK-aligned NHS and BDA guidance.

How Long Does a Victoza Pen Last? Storage and Usage Guide

GLP-1 Brands

min read

How Long Does a Victoza Pen Last? Storage and Usage Guide

How long does a Victoza pen last after opening? Discover the 1-month shelf life, storage requirements, dose duration, and essential safety tips for using liraglutide pens effectively in type 2 diabetes management.

Can Fatty Liver Disease Cause Fever? Symptoms and Warning Signs

Weight Loss

min read

Can Fatty Liver Disease Cause Fever? Symptoms and Warning Signs

Can fatty liver disease cause fever? Discover why uncomplicated NAFLD doesn't typically cause temperature elevation, when fever signals serious liver complications, and the warning signs requiring urgent medical attention.

Erectile Dysfunction

min read

Do Brazil Nuts Help Erectile Dysfunction? Evidence and Safe Use

Do Brazil nuts help erectile dysfunction? Discover the evidence behind selenium, nutritional factors in ED, and why medical assessment remains essential for effective treatment of 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

Mounjaro Side Effects: Does It Cause Belching?

Supplements for Hair Loss in Females: Evidence, Safety, and NHS Guidance

Pepto-Bismol After Gastric Sleeve: Safety, Risks and Alternatives

Do Allergies Count as a Medical Condition? UK Guide

What Is the Incretin Effect in Diabetes Control?

Can't Sleep on Retatrutide? Causes, Management & UK Guidance

Meats With Vitamin B12: Best Sources and Daily Requirements

Can I Take Wegovy If I Have Hypothyroidism? UK Guide

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Mounjaro Sweet Taste in Mouth: Causes and Management

Saxenda and Autoimmune Disease: Safety and Monitoring Guidance

Can You Eat Popcorn During Intermittent Fasting? UK Guide

How Long Does a Victoza Pen Last? Storage and Usage Guide

Can Fatty Liver Disease Cause Fever? Symptoms and Warning Signs

Do Brazil Nuts Help Erectile Dysfunction? Evidence and Safe Use