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.

What Is Omega-3 Acid? Essential Facts and Health Benefits

Supplements

min read

What Is Omega-3 Acid? Essential Facts and Health Benefits

Discover what omega-3 acids are and why they're essential for your health. Learn about EPA, DHA, and ALA, their roles in cardiovascular and brain function, plus NHS-recommended dietary sources and supplementation guidance for optimal wellbeing.

Bariatric Surgery for GERD: Procedures, NICE Eligibility and Outcomes

Weight Loss

min read

Bariatric Surgery for GERD: Procedures, NICE Eligibility and Outcomes

Bariatric surgery for GERD: find out which procedures improve acid reflux, who qualifies under NICE guidance, and what to expect from surgery in the UK.

Best Way to Lose Man Boobs: Causes, Treatments and NHS Guidance

Weight Loss

min read

Best Way to Lose Man Boobs: Causes, Treatments and NHS Guidance

The best way to lose man boobs depends on the cause. Learn the difference between gynaecomastia and chest fat, which lifestyle changes help, and when to see a GP for medical or surgical treatment.

Can I Eat Pork with Fatty Liver? Safe Cuts and Portions

Weight Loss

min read

Can I Eat Pork with Fatty Liver? Safe Cuts and Portions

Can I eat pork with fatty liver? Discover which pork cuts are safe, which to avoid, and how portion size and cooking methods impact liver health. Evidence-based UK guidance for managing NAFLD through diet.

Sinus & Allergy Medication Side Effects | NHS Guide

Supplements

min read

Sinus & Allergy Medication Side Effects | NHS Guide

Learn about nasal spray, antihistamine and decongestant side effects — including palpitations and nosebleeds. Know when to contact your GP or pharmacist.

How to Get Testogel: UK Prescription Guide for TRT

Testosterone

min read

How to Get Testogel: UK Prescription Guide for TRT

Learn how to get Testogel in the UK: from GP assessment and blood tests to NHS vs private routes, prescription requirements, and safe collection from pharmacies. Expert guidance on accessing testosterone replacement therapy.

Hair Loss

min read

Can Vaping Cause Hair Loss? UK Evidence, Risks, and Advice

Can vaping cause hair loss? Explore the current UK evidence, biological mechanisms, recognised health effects, and when to see a GP about hair thinning linked to e-cigarette use.

Recommended Amount of B12: UK Daily Requirements Explained

Supplements

min read

Recommended Amount of B12: UK Daily Requirements Explained

Discover the recommended amount of B12 for adults, children, and at-risk groups in the UK. Learn why this essential vitamin matters, how to meet your daily requirements through diet or supplements, and recognise deficiency signs before complications arise.

Can Gastric Sleeve Cause Early Menopause? Evidence and UK Guidance

Weight Loss

min read

Can Gastric Sleeve Cause Early Menopause? Evidence and UK Guidance

Can gastric sleeve cause early menopause? Explore the evidence on hormonal changes after sleeve gastrectomy, menstrual disruption, premature ovarian insufficiency, and when to seek NHS advice.

Best Time to Take Rybelsus: UK Dosing Guide

GLP-1 Brands

min read

Best Time to Take Rybelsus: UK Dosing Guide

Find out when to take Rybelsus, how long to wait before eating, and which foods to avoid — so your semaglutide tablet works as effectively as possible.

Can Hashimoto's Cause Fatty Liver? Understanding the Link

Weight Loss

min read

Can Hashimoto's Cause Fatty Liver? Understanding the Link

Can Hashimoto's cause fatty liver? Discover the link between Hashimoto's thyroiditis and NAFLD, how thyroid dysfunction affects liver fat accumulation, and evidence-based strategies to protect your liver health with hypothyroidism.

HbA1c 114 mmol/mol: Average Blood Sugar, Risks and Next Steps

Weight Loss

min read

HbA1c 114 mmol/mol: Average Blood Sugar, Risks and Next Steps

Average blood sugar calculated from an HbA1c of 114 mmol/mol is approximately 17.4 mmol/L. Learn what this means, the health risks involved, and what NHS and NICE guidance recommends.

Hair Loss

min read

Does Evenity Cause Hair Loss? Romosozumab Side Effects Explained

Does Evenity cause hair loss? Find out what the clinical evidence and UK SmPC say about romosozumab side effects, when to see your GP, and how to report concerns via the MHRA Yellow Card scheme.

Tomatoes and Vitamin K: Safe Consumption with Anticoagulants

Supplements

min read

Tomatoes and Vitamin K: Safe Consumption with Anticoagulants

Discover how tomatoes and vitamin K interact with warfarin and other anticoagulants. Learn about safe tomato consumption, vitamin K content, and when to seek medical advice about diet and blood thinners.

How Much Muscle Gain with Testogel: Realistic Expectations

Testosterone

min read

How Much Muscle Gain with Testogel: Realistic Expectations

How much muscle gain will I get with Testogel? Discover realistic expectations, clinical evidence, and factors influencing muscle development during testosterone replacement therapy for hypogonadism in the UK.

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

What Is Omega-3 Acid? Essential Facts and Health Benefits

Bariatric Surgery for GERD: Procedures, NICE Eligibility and Outcomes

Best Way to Lose Man Boobs: Causes, Treatments and NHS Guidance

Can I Eat Pork with Fatty Liver? Safe Cuts and Portions

Sinus & Allergy Medication Side Effects | NHS Guide

How to Get Testogel: UK Prescription Guide for TRT

Can Vaping Cause Hair Loss? UK Evidence, Risks, and Advice

Recommended Amount of B12: UK Daily Requirements Explained

Can Gastric Sleeve Cause Early Menopause? Evidence and UK Guidance

Best Time to Take Rybelsus: UK Dosing Guide

Can Hashimoto's Cause Fatty Liver? Understanding the Link

HbA1c 114 mmol/mol: Average Blood Sugar, Risks and Next Steps

Does Evenity Cause Hair Loss? Romosozumab Side Effects Explained

Tomatoes and Vitamin K: Safe Consumption with Anticoagulants

How Much Muscle Gain with Testogel: Realistic Expectations