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.

Read now

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.

Read Wegovy guides

Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

Read Mounjaro guides

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.

Read now

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.

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 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.

Read now

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.

Does CoQ10 Cause Weight Gain? UK Evidence and Guidance

Supplements

min read

Does CoQ10 Cause Weight Gain? UK Evidence and Guidance

Does CoQ10 cause weight gain? Discover what current evidence reveals about coenzyme Q10 supplementation and body weight. Learn about CoQ10's effects, safety profile, and UK guidance on this popular supplement.

Best NAD Supplement for Women: UK Evidence-Based Guide

Supplements

min read

Best NAD Supplement for Women: UK Evidence-Based Guide

Discover the best NAD supplement for women in the UK. Expert guidance on NAD+ precursors including nicotinamide riboside (NR), safety, dosing, regulatory status, and evidence-based considerations for women's health.

Erectile Dysfunction

min read

Is Niacin Good for Erectile Dysfunction? UK Evidence Review

Is niacin good for erectile dysfunction? Discover what the clinical evidence says about vitamin B3 for ED, how niacin works, potential risks, and proven NHS treatment options available in the UK.

Vitamin D Blood Test: When You Need One and What Results Mean

Supplements

min read

Vitamin D Blood Test: When You Need One and What Results Mean

Discover when you need a vitamin D blood test, how to prepare, and what your results mean. Expert guidance on NHS testing criteria, reference ranges, and treatment options for deficiency in the UK.

Can Endoscopy Detect Fatty Liver Disease? UK Diagnostic Guide

Weight Loss

min read

Can Endoscopy Detect Fatty Liver Disease? UK Diagnostic Guide

Can endoscopy detect fatty liver disease? Discover why gastroscopy cannot diagnose NAFLD or ARLD, which tests your GP will arrange instead, and when to seek medical advice about liver health.

Does Ozempic Make Your Urine Yellow? Causes and Advice

GLP-1 Brands

min read

Does Ozempic Make Your Urine Yellow? Causes and Advice

Does Ozempic make your urine yellow? Discover how this diabetes medication may indirectly affect urine colour through dehydration, when to worry about colour changes, and essential hydration tips for patients taking semaglutide.

Erectile Dysfunction

min read

Erectile Dysfunction: Can Cold Showers Help?

Cold showers won't fix ED — find out what the evidence actually says and which clinically proven treatments can help restore erectile function.

Hair Loss

min read

Hair Loss Due to Stress and Anxiety: Causes, Types and UK Treatment

Hair loss due to stress and anxiety explained — causes, types, NHS diagnosis, UK treatment options, and expert tips for long-term recovery. Read our clinically reviewed guide.

Weight Loss

min read

Can Thyroid Pills Cause Weight Loss? What UK Guidelines Say

Can thyroid pills cause weight loss? Find out how levothyroxine affects your weight, what NICE and NHS guidelines say, and when to speak to your GP about unexpected changes.

How to Metabolise Faster: Evidence-Based Strategies for Metabolic Health

Weight Loss

min read

How to Metabolise Faster: Evidence-Based Strategies for Metabolic Health

Discover evidence-based strategies on how to metabolise faster and support optimal metabolic health. Learn which factors you can influence, the role of diet and exercise, and when to seek medical advice for metabolic concerns.

How Long Does a Bottle of Testogel Last? UK Dosing Guide

Testosterone

min read

How Long Does a Bottle of Testogel Last? UK Dosing Guide

How long does a bottle of Testogel last? Discover how your prescribed dose, formulation (sachets or pump), and individual treatment plan determine supply duration. Essential UK guidance on testosterone replacement therapy.

Recommended Amount of CoQ10: UK Dosage Guidelines

Supplements

min read

Recommended Amount of CoQ10: UK Dosage Guidelines

Discover the recommended amount of CoQ10 for safe, effective supplementation. Learn about standard dosages, factors affecting requirements, safety considerations, and UK guidance on this popular supplement.

Hair Loss

min read

Can MS Cause Hair Loss? Causes, Medications, and Management

Can MS cause hair loss? MS does not directly cause hair loss, but medications, stress, and related conditions can. Learn the causes, when to seek help, and what to do.

Metformin and Rybelsus Weight Loss: UK Clinical Comparison

GLP-1 Brands

min read

Metformin and Rybelsus Weight Loss: UK Clinical Comparison

Discover how metformin and Rybelsus compare for weight loss in type 2 diabetes. Learn about their mechanisms, clinical results, safety profiles, combination therapy, and NHS prescribing guidelines for evidence-based diabetes management.

Does Ursodeoxycholic Acid Reduce Fatty Liver? Evidence and Alternatives

Weight Loss

min read

Does Ursodeoxycholic Acid Reduce Fatty Liver? Evidence and Alternatives

Does ursodeoxycholic acid reduce fatty liver? Discover what the evidence shows about UDCA for NAFLD, why NICE doesn't recommend it, who actually benefits from this medication, and the proven lifestyle changes that work for fatty liver management.

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 CoQ10 Cause Weight Gain? UK Evidence and Guidance

Best NAD Supplement for Women: UK Evidence-Based Guide

Is Niacin Good for Erectile Dysfunction? UK Evidence Review

Vitamin D Blood Test: When You Need One and What Results Mean

Can Endoscopy Detect Fatty Liver Disease? UK Diagnostic Guide

Does Ozempic Make Your Urine Yellow? Causes and Advice

Erectile Dysfunction: Can Cold Showers Help?

Hair Loss Due to Stress and Anxiety: Causes, Types and UK Treatment

Can Thyroid Pills Cause Weight Loss? What UK Guidelines Say

How to Metabolise Faster: Evidence-Based Strategies for Metabolic Health

How Long Does a Bottle of Testogel Last? UK Dosing Guide

Recommended Amount of CoQ10: UK Dosage Guidelines

Can MS Cause Hair Loss? Causes, Medications, and Management

Metformin and Rybelsus Weight Loss: UK Clinical Comparison

Does Ursodeoxycholic Acid Reduce Fatty Liver? Evidence and Alternatives

Personalized weight management for women