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.

Calcium D-Glucarate for Fatty Liver: Evidence and UK Guidance

Weight Loss

min read

Calcium D-Glucarate for Fatty Liver: Evidence and UK Guidance

Can calcium D-glucarate help fatty liver disease? Discover the current evidence, safety considerations, and UK guidance on this supplement for liver health in 2025.

Indole-3-Carbinol and Gynaecomastia: Evidence, Safety, and NHS Options

Weight Loss

min read

Indole-3-Carbinol and Gynaecomastia: Evidence, Safety, and NHS Options

Indole-3-carbinol and gynaecomastia — does the evidence support using I3C supplements to treat male breast tissue enlargement? Explore the science, safety, and NHS treatment options.

Does Being in a Calorie Deficit Make You Tired? Causes and Solutions

Weight Loss

min read

Does Being in a Calorie Deficit Make You Tired? Causes and Solutions

Does being in a calorie deficit make you tired? Learn why fatigue happens when cutting calories, what NHS and NICE guidance says about safe deficits, key nutrients to monitor, and practical tips to boost energy whilst losing weight.

Wegovy

min read

Wegovy and Sleep: Effects, Evidence and Management Strategies

Wegovy and sleep: discover how this weight management medication may affect sleep patterns, what the evidence shows, and practical strategies for managing sleep disturbances during treatment.

Can Antibiotics Cause Gynaecomastia? UK Clinical Guide

Weight Loss

min read

Can Antibiotics Cause Gynaecomastia? UK Clinical Guide

Can antibiotics cause gynaecomastia? Learn which antimicrobial agents are linked to breast tissue changes in men, the hormonal mechanisms involved, how rare it is, and when to see your GP.

Wegovy

min read

Can I Take NyQuil on Wegovy? Cold Remedy Safety Guide

Can you take NyQuil or cold remedies whilst on Wegovy? Discover the evidence on interactions between semaglutide and common cold medications, plus safer alternatives for managing symptoms during weight management treatment.

Is Viagra Good for Diabetes Type 2? Efficacy and Safety

Weight Loss

min read

Is Viagra Good for Diabetes Type 2? Efficacy and Safety

Discover whether Viagra (sildenafil) is effective for erectile dysfunction in men with type 2 diabetes. Learn about safety considerations, dosing, alternative treatments, and when to speak with your GP about ED and diabetes.

Fatty Liver Disease and Omeprazole: Safety and Guidance

Weight Loss

min read

Fatty Liver Disease and Omeprazole: Safety and Guidance

Discover whether omeprazole is safe with fatty liver disease. Expert guidance on interactions, safety considerations, dosing adjustments, and when to seek medical advice for patients managing both conditions.

Mounjaro

min read

Chia Seeds and Mounjaro: Safety, Interactions and Dietary Guidance

Can you eat chia seeds whilst taking Mounjaro? Discover the safety, potential interactions, and practical dietary advice for combining chia seeds and Mounjaro (tirzepatide) in the UK.

Weight Loss and Hair Thinning: Causes, Nutrients, and NHS Guidance

Hair Loss

min read

Weight Loss and Hair Thinning: Causes, Nutrients, and NHS Guidance

Weight loss and hair thinning often go hand in hand. Learn why dieting causes hair shedding, which nutritional deficiencies are responsible, and when to see your GP — with NHS and NICE-aligned advice.

Does Zinc Make You Constipated? Facts and Guidance

Supplements

min read

Does Zinc Make You Constipated? Facts and Guidance

Does zinc make you constipated? Discover the facts about zinc supplements and bowel health. Learn about common side effects, prevention strategies, and when to seek medical advice for gastrointestinal symptoms.

Why Am I So Hungry on Retatrutide? Causes and Solutions

GLP-1 Brands

min read

Why Am I So Hungry on Retatrutide? Causes and Solutions

Why am I so hungry on retatrutide? Discover the clinical reasons behind persistent hunger during treatment, including dose titration, hormonal adaptation, and dietary factors, plus when to seek medical advice.

HbA1c Target for Type 1 Diabetes: UK NICE Guidelines Explained

Weight Loss

min read

HbA1c Target for Type 1 Diabetes: UK NICE Guidelines Explained

HbA1c target for type 1 diabetes: understand the NICE-recommended 48 mmol/mol goal, how targets differ for children and pregnancy, and how to manage glucose safely in the UK.

Allergy Medication for Breastfeeding Mothers: Safe Options Explained

Supplements

min read

Allergy Medication for Breastfeeding Mothers: Safe Options Explained

Allergy medication for breastfeeding mothers: find out which antihistamines, nasal sprays, and treatments are safe to use whilst nursing, based on NHS, NICE, and UKDILAS guidance.

Mounjaro

min read

How to Stop Mounjaro Hair Loss with GLP-1 Weight Loss Medication

Explore how to stop Mounjaro hair loss, a common side effect of GLP-1 weight loss medication. Our blog post provides expert advice, preventative measures, and effective treatments to combat this pressing concern.

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

Calcium D-Glucarate for Fatty Liver: Evidence and UK Guidance

Indole-3-Carbinol and Gynaecomastia: Evidence, Safety, and NHS Options

Does Being in a Calorie Deficit Make You Tired? Causes and Solutions

Wegovy and Sleep: Effects, Evidence and Management Strategies

Can Antibiotics Cause Gynaecomastia? UK Clinical Guide

Can I Take NyQuil on Wegovy? Cold Remedy Safety Guide

Is Viagra Good for Diabetes Type 2? Efficacy and Safety

Fatty Liver Disease and Omeprazole: Safety and Guidance

Chia Seeds and Mounjaro: Safety, Interactions and Dietary Guidance

Weight Loss and Hair Thinning: Causes, Nutrients, and NHS Guidance

Does Zinc Make You Constipated? Facts and Guidance

Why Am I So Hungry on Retatrutide? Causes and Solutions

HbA1c Target for Type 1 Diabetes: UK NICE Guidelines Explained

Allergy Medication for Breastfeeding Mothers: Safe Options Explained

How to Stop Mounjaro Hair Loss with GLP-1 Weight Loss Medication