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.

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.

Can CoQ10 Cause Dizziness? Symptoms, Causes and Safety Advice

Supplements

min read

Can CoQ10 Cause Dizziness? Symptoms, Causes and Safety Advice

Can CoQ10 cause dizziness? Discover why some people experience dizziness with CoQ10 supplements, the potential mechanisms involved, who should use caution, and what to do if symptoms occur. Evidence-based UK guidance.

How to Store Reconstituted Retatrutide: UK Clinical Trial Guidance

GLP-1 Brands

min read

How to Store Reconstituted Retatrutide: UK Clinical Trial Guidance

How to store reconstituted retatrutide safely: UK-aligned guidance on temperature, beyond-use dating, deterioration signs, and disposal for authorised clinical trial settings.

Weight Loss

min read

Can You Take Weight Loss Injections on a Plane? UK Guide

Can you take weight loss injections on a plane? Yes—discover UK regulations, packing requirements, documentation needed, and security procedures for travelling with Wegovy, Saxenda, and Mounjaro injections safely.

Semaglutide & Back Pain: Evidence and Guidance

GLP-1 Brands

min read

Semaglutide & Back Pain: Evidence and Guidance

Does semaglutide cause back pain? Explore the clinical evidence, possible mechanisms, and when to seek medical advice if you take Rybelsus.

Is Saxenda a Stimulant? How Liraglutide Works

GLP-1 Brands

min read

Is Saxenda a Stimulant? How Liraglutide Works

Saxenda isn't a stimulant. Discover how liraglutide works as a GLP-1 receptor agonist, its safety profile, and how it differs from older weight loss drugs.

Fish Oil Side Effects: Symptoms, Risks and Safety Guidance

Supplements

min read

Fish Oil Side Effects: Symptoms, Risks and Safety Guidance

Discover fish oil side effects, from common gastrointestinal symptoms to serious complications. Learn who should avoid supplements, medication interactions, and evidence-based strategies to reduce adverse effects safely.

Healthy Fish to Eat: NHS Guidance on Omega-3 and Safety

Supplements

min read

Healthy Fish to Eat: NHS Guidance on Omega-3 and Safety

Discover the healthiest fish to eat in the UK, including omega-3-rich options like salmon, mackerel, and sardines. Learn NHS recommendations, mercury safety guidance, and how often to eat fish for optimal cardiovascular and neurological health.

Can You Take Too Much CoQ10? Safe Dosage and Side Effects

Supplements

min read

Can You Take Too Much CoQ10? Safe Dosage and Side Effects

Can you take too much CoQ10? Discover safe dosage limits, signs of excessive intake, potential side effects, and expert guidance for UK patients on using CoQ10 supplements safely and effectively.

Does Melatonin Cause Gynaecomastia? Evidence, Causes, and Advice

Weight Loss

min read

Does Melatonin Cause Gynaecomastia? Evidence, Causes, and Advice

Does melatonin cause gynaecomastia? Explore the current evidence, understand what really causes gynaecomastia in males, and learn when to speak to your GP about breast tissue changes.

Does CoQ10 Interact with Any Medications? UK Guide

Supplements

min read

Does CoQ10 Interact with Any Medications? UK Guide

Does CoQ10 interact with any medications? Discover how CoQ10 supplements may affect warfarin, blood pressure medicines, chemotherapy, and statins. Learn when to consult your GP and how to use CoQ10 safely alongside prescription medications.

Weight Loss

min read

Best Pills for Water Weight Loss: UK Diuretics, Safety and Advice

Looking for the best pills for water weight loss? Learn which diuretics are used in the UK, how they work, OTC options, safety risks, and when to see a GP about persistent water retention.

Does CoQ10 Cause Insomnia? Evidence and Practical Guidance

Supplements

min read

Does CoQ10 Cause Insomnia? Evidence and Practical Guidance

Does CoQ10 cause insomnia? Discover the evidence on CoQ10 and sleep disturbances, why some people may experience sleep issues, and practical tips to minimise any potential impact on sleep quality.

Hair Thinning Stages: Causes, Scales & UK Treatments

Hair Loss

min read

Hair Thinning Stages: Causes, Scales & UK Treatments

Learn the stages of hair loss, how GPs assess them, and which treatments can help—from early thinning to advanced shedding.

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Weight Loss

min read

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Does fatty liver make your poo stink? Discover the truth about fatty liver disease and stool odour, when digestive symptoms warrant medical attention, and evidence-based management strategies for liver and gut health in the UK.

Types of Fish to Eat: Best Choices for Health and Nutrition

Supplements

min read

Types of Fish to Eat: Best Choices for Health and Nutrition

Discover the best types of fish to eat for optimal health, including oily and white fish varieties. Learn NHS-recommended portions, which fish to limit during pregnancy, and how to choose sustainable options for your family's wellbeing.

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

Can CoQ10 Cause Dizziness? Symptoms, Causes and Safety Advice

How to Store Reconstituted Retatrutide: UK Clinical Trial Guidance

Can You Take Weight Loss Injections on a Plane? UK Guide

Semaglutide & Back Pain: Evidence and Guidance

Is Saxenda a Stimulant? How Liraglutide Works

Fish Oil Side Effects: Symptoms, Risks and Safety Guidance

Healthy Fish to Eat: NHS Guidance on Omega-3 and Safety

Can You Take Too Much CoQ10? Safe Dosage and Side Effects

Does Melatonin Cause Gynaecomastia? Evidence, Causes, and Advice

Does CoQ10 Interact with Any Medications? UK Guide

Best Pills for Water Weight Loss: UK Diuretics, Safety and Advice

Does CoQ10 Cause Insomnia? Evidence and Practical Guidance

Hair Thinning Stages: Causes, Scales & UK Treatments

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Types of Fish to Eat: Best Choices for Health and Nutrition