Bolt Guides

Expert insights on weight loss and more.

Featured

Hair Loss

min read

A Hair Loss Treatment Guide: UK Options, Safety, and NHS Advice

A hair loss treatment that works starts with the right diagnosis. Explore UK-licensed options including minoxidil, finasteride, and baricitinib — with NHS guidance, safety advice, and when to see your GP.

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Weight loss

Read all on weight loss

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Weight Loss

min read

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Safe HbA1c levels for surgery explained: UK thresholds, NICE and CPOC guidance, how to lower HbA1c before an operation, and perioperative blood glucose management for people with diabetes.

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Weight Loss

min read

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Discover a liver-friendly chilli recipe for fatty liver disease management. Learn evidence-based ingredient modifications, nutritional principles, and when to seek medical advice for NAFLD in the UK.

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

Weight Loss

min read

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

Are spicy foods good for fatty liver? Discover what the evidence says about capsaicin, chilli peppers, and liver health. Learn safe ways to include spicy foods in a liver-friendly diet and when to seek medical advice for fatty liver disease.

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.

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GLP-1 Brands

min read

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Discover the different strengths of Trulicity (0.75 mg to 4.5 mg) for type 2 diabetes management. Learn how doctors choose the right dose, when adjustments occur, and how efficacy and side effects compare across strengths in UK practice.

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Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Saxenda and Bloating: Causes, Frequency & Relief

GLP-1 Brands

min read

Saxenda and Bloating: Causes, Frequency & Relief

Saxenda commonly causes bloating due to slowed gastric emptying. Learn how often it occurs, why it happens, and how to manage it with NHS-aligned advice.

Can Rybelsus Cause Depression? Evidence and Guidance

GLP-1 Brands

min read

Can Rybelsus Cause Depression? Evidence and Guidance

Can Rybelsus cause depression? Explore the evidence linking semaglutide to mood changes, recognise warning signs, and learn what to do if you experience low mood whilst taking this type 2 diabetes medication.

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

GLP-1 Brands

min read

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

Can Trulicity be put back in the fridge? Discover UK storage guidelines for dulaglutide, including refrigeration rules, temperature limits, and when to discard your pen safely.

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Men’s Health

Testosterone

Answer all your questions about testosterone.

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Erectile dysfunction

Answer all your questions about erectile dysfunction.

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Erectile Dysfunction

min read

Does Sublocade Cause Erectile Dysfunction? UK Medical Guide

Does Sublocade cause erectile dysfunction? Discover how prolonged-release buprenorphine may affect sexual function, the underlying mechanisms, practical management strategies, and when to speak to your doctor about erectile dysfunction during opioid dependence treatment.

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Testosterone

min read

Can Testosterone Treatment Increase Penis Size? Evidence and Guidance

Can testosterone treatment increase penis size in adults? Discover the evidence on testosterone's role in penile development, when treatment is appropriate, and what really works for size concerns. Expert UK medical guidance.

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.

What Will 3 Days Without Testogel Do to Me?

Testosterone

min read

What Will 3 Days Without Testogel Do to Me?

What will 3 days without Testogel do to me? Discover how missing doses affects testosterone levels, what symptoms to expect within 72 hours, when to contact your GP, and how to safely resume treatment for hypogonadism.

Mounjaro

min read

Does Mounjaro Cause a Cough? UK Evidence and Guidance

Does Mounjaro cause a cough? Discover the evidence on tirzepatide and respiratory symptoms, learn about recognised side effects, and find out when to seek medical advice if you develop a cough whilst taking this diabetes medication.

Mounjaro

min read

Mounjaro and Lip Filler: Safety, Timing and Effects

Can you have lip filler whilst taking Mounjaro? Discover how tirzepatide affects facial volume, safety considerations for combining treatments, and expert guidance on timing dermal fillers during GLP-1 therapy for optimal aesthetic results.

Contrave After Gastric Sleeve: UK Guide to Mysimba Post-Surgery

GLP-1 Brands

min read

Contrave After Gastric Sleeve: UK Guide to Mysimba Post-Surgery

Contrave after gastric sleeve: find out how the UK-equivalent Mysimba works post-surgery, what the risks are, how absorption is affected, and when to speak to your bariatric specialist.

CoQ10 vs Omega-3: Key Differences and Health Benefits

Supplements

min read

CoQ10 vs Omega-3: Key Differences and Health Benefits

CoQ10 vs omega-3: discover the key differences between these popular supplements, their distinct health benefits, safety considerations, and whether you can take them together. Evidence-based guidance for UK patients.

History of Leptin in Obesity Treatment: Discovery to Current UK Use

Weight Loss

min read

History of Leptin in Obesity Treatment: Discovery to Current UK Use

Discover the history of leptin in obesity treatment—from its 1994 discovery and early promise to why it failed in common obesity. Learn about leptin resistance, current UK clinical use for rare conditions, and what NICE-recommended treatments are actually available on the NHS for weight management.

Do You Get Vitamin D From Tanning Beds? UK Safety Guidance

Supplements

min read

Do You Get Vitamin D From Tanning Beds? UK Safety Guidance

Do you get vitamin D from tanning beds? Discover why tanning beds are unsafe for vitamin D production and learn evidence-based alternatives recommended by the NHS, including safe sun exposure, dietary sources, and supplements to maintain adequate vitamin D levels in the UK.

Flea Allergy Dermatitis Medication: UK Treatment Guide for Pets and People

Supplements

min read

Flea Allergy Dermatitis Medication: UK Treatment Guide for Pets and People

Flea allergy dermatitis medication explained: NHS-aligned guide covering antihistamines, topical steroids, veterinary flea treatments, and environmental control for UK patients and pet owners.

Hair Loss

min read

Egg in Hair for Hair Loss: Evidence, Safety, and NHS Alternatives

Egg in hair for hair loss — does it really work? Discover what the evidence says, how to apply egg treatments safely, their risks, and NHS-recommended alternatives for hair loss in the UK.

Calorie Deficit Love Handles: Evidence-Based Fat Loss Guide

Weight Loss

min read

Calorie Deficit Love Handles: Evidence-Based Fat Loss Guide

Discover how a calorie deficit reduces love handles through evidence-based fat loss strategies. Learn safe methods to create sustainable energy deficits, the role of exercise, and when to consult your GP for personalised weight management support.

Does Fatty Liver Cause Blurry Vision? UK Medical Guide

Weight Loss

min read

Does Fatty Liver Cause Blurry Vision? UK Medical Guide

Does fatty liver cause blurry vision? Discover the real connection between fatty liver disease and vision changes, when to seek medical help, and how metabolic conditions like diabetes may be the true cause of blurred eyesight.

Does Sildenafil Cause Back Pain? UK Clinical Guidance

Erectile Dysfunction

min read

Does Sildenafil Cause Back Pain? UK Clinical Guidance

Does sildenafil cause back pain? Discover how common this side effect is, why it occurs, and practical management strategies. Evidence-based guidance from UK regulatory sources on when to seek medical advice about back pain with Viagra.

Hair Loss

min read

Telogen Hair Loss Causes: Triggers, Diagnosis, and UK Treatment

Telogen hair loss causes explained — from iron deficiency and thyroid disorders to stress and postpartum shedding. Learn when to see a GP, what tests to expect, and UK treatment options.

Can You Eat McDonald's on a Calorie Deficit and Lose Weight?

Weight Loss

min read

Can You Eat McDonald's on a Calorie Deficit and Lose Weight?

Can you eat McDonald's on a calorie deficit? Yes — find out how to fit fast food into your weight loss plan, which menu items to choose, and when to seek NHS advice.

Testosterone

min read

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Can testosterone cause gynaecomastia? Learn how testosterone converts to oestrogen, who is most at risk, how to spot symptoms, and what NHS treatment options are available.

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Weight Loss

min read

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Protein shakes for gastric sleeve surgery: find out when to start, how to choose the right product, daily protein targets, and how to transition to a balanced diet. NHS-aligned guidance.

Bolt Guides

Featured

A Hair Loss Treatment Guide: UK Options, Safety, and NHS Advice

Weight loss

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

GLP-1 Brands

Wegovy

Mounjaro

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Saxenda and Bloating: Causes, Frequency & Relief

Can Rybelsus Cause Depression? Evidence and Guidance

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Sublocade Cause Erectile Dysfunction? UK Medical Guide

Can Testosterone Treatment Increase Penis Size? Evidence and Guidance

How to Treat Rash From Testosterone Treatment: Expert Guide

What Will 3 Days Without Testogel Do to Me?

Browse all

Does Mounjaro Cause a Cough? UK Evidence and Guidance

Mounjaro and Lip Filler: Safety, Timing and Effects

Contrave After Gastric Sleeve: UK Guide to Mysimba Post-Surgery

CoQ10 vs Omega-3: Key Differences and Health Benefits

History of Leptin in Obesity Treatment: Discovery to Current UK Use

Do You Get Vitamin D From Tanning Beds? UK Safety Guidance

Flea Allergy Dermatitis Medication: UK Treatment Guide for Pets and People

Egg in Hair for Hair Loss: Evidence, Safety, and NHS Alternatives

Calorie Deficit Love Handles: Evidence-Based Fat Loss Guide

Does Fatty Liver Cause Blurry Vision? UK Medical Guide

Does Sildenafil Cause Back Pain? UK Clinical Guidance

Telogen Hair Loss Causes: Triggers, Diagnosis, and UK Treatment

Can You Eat McDonald's on a Calorie Deficit and Lose Weight?

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Personalized weight management for women