Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Can Wegovy Cause Seizures? Evidence and Safety Guidance

Can Wegovy cause seizures? Explore the clinical evidence, recognised neurological side effects of semaglutide, and essential safety guidance for patients taking Wegovy in the UK.

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Weight loss

Read all on weight loss

Do Athletes Have a Fast Metabolism? The Truth

Weight Loss

min read

Do Athletes Have a Fast Metabolism? The Truth

Find out whether athletes truly have a faster metabolism, how training and muscle mass affect metabolic rate, and what this means for your own health.

Weight Loss

min read

Calorie Deficit for a Week and No Weight Loss: What to Know

Calorie deficit for a week and no weight loss? Discover why the scales may not move, from water retention to tracking errors, and when to see your GP.

Corn Flour for Fatty Liver: Evidence and Healthier Alternatives

Weight Loss

min read

Corn Flour for Fatty Liver: Evidence and Healthier Alternatives

Discover whether corn flour is suitable for fatty liver disease management. Learn about its glycaemic impact, evidence-based dietary alternatives, and practical nutrition strategies aligned with UK guidance to support liver health and metabolic wellness.

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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

Does Victoza Cause Diarrhoea? Causes & Management

Diarrhoea affects more than 1 in 10 Victoza users. Learn why liraglutide causes this side effect, how to manage it, and when to contact your GP.

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Does Victoza Cause Diarrhoea? Causes & Management

What Is Rybelsus Good For? Uses and Benefits Explained

GLP-1 Brands

min read

What Is Rybelsus Good For? Uses and Benefits Explained

Discover what Rybelsus is good for: an oral GLP-1 medication for type 2 diabetes that improves blood glucose control, supports weight management, and offers cardiovascular safety. Learn about its uses, benefits, and suitability.

Best Time to Take Ozempic: UK Dosing Guide

GLP-1 Brands

min read

Best Time to Take Ozempic: UK Dosing Guide

Find out the best time to take your Ozempic injection each week. Flexible dosing tips, administration technique, and UK safety guidance explained clearly.

Does Your Body Get Used to Saxenda? Tolerance and Effectiveness

GLP-1 Brands

min read

Does Your Body Get Used to Saxenda? Tolerance and Effectiveness

Does your body get used to Saxenda and stop responding? Discover the truth about tolerance, why weight loss plateaus occur, and how to maintain Saxenda's effectiveness long-term with expert UK guidance.

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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.

Read erectile dysfunction guides

Erectile Dysfunction

min read

Do Honey Packs Cause Erectile Dysfunction? Risks and Safe Treatments

Do honey packs cause erectile dysfunction? Discover the truth about these unregulated products, their hidden dangers, and evidence-based treatments. Learn when to seek medical advice for erectile problems and why proper assessment matters.

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Testosterone

min read

Is Testogel Body Identical? UK Guide to Bioidentical Testosterone

Is Testogel body identical? Yes—Testogel contains bioidentical testosterone with the same molecular structure as your body's natural hormone. Learn how it works, safety considerations, and what body identical really means for testosterone replacement therapy in the UK.

Is Testogel Effective? How It Works and What to Expect

Testosterone

min read

Is Testogel Effective? How It Works and What to Expect

Is Testogel effective for treating low testosterone? Discover how this transdermal gel works, how long it takes to see results, factors affecting effectiveness, and essential monitoring guidance for safe, successful testosterone replacement therapy in the UK.

What Are the Side Effects of Testogel? UK Guide

Testosterone

min read

What Are the Side Effects of Testogel? UK Guide

What are the side effects of Testogel? Discover common reactions like skin irritation and acne, serious complications requiring urgent care, who should avoid Testogel, and essential safety guidance for testosterone replacement therapy in the UK.

Can Prednisolone Cause Fatty Liver? UK Medical Guide

Weight Loss

min read

Can Prednisolone Cause Fatty Liver? UK Medical Guide

Can prednisolone cause fatty liver? Discover how long-term corticosteroid use affects liver health, the metabolic mechanisms involved, warning signs to watch for, and evidence-based strategies to reduce your risk whilst on prednisolone therapy.

Magnesium Spray for Feet: Evidence, Safety and Use

Supplements

min read

Magnesium Spray for Feet: Evidence, Safety and Use

Magnesium spray for feet: discover what the evidence says about topical magnesium application, how to use it safely, potential benefits, side effects, and when to consult your GP for proper assessment.

Should I Take Vitamin D or D3 Daily? UK Guidance

Supplements

min read

Should I Take Vitamin D or D3 Daily? UK Guidance

Should I take vitamin D or D3 daily? Discover NHS guidance on daily vitamin D supplementation, who needs it year-round, recommended doses, and how to choose the right supplement for bone and muscle health in the UK.

Is Flonase an Allergy Medication? Fluticasone Nasal Spray Explained

Supplements

min read

Is Flonase an Allergy Medication? Fluticasone Nasal Spray Explained

Is Flonase an allergy medication? Yes — find out how fluticasone nasal spray (Flixonase in the UK) treats allergic rhinitis, how to use it safely, and when to see a GP.

Hair Loss

min read

Scalp Biopsy for Female Hair Loss: Diagnosis, Procedure & Treatment

Scalp biopsy for female hair loss: find out when it's recommended, what to expect on the NHS, how results identify conditions like scarring alopecia, and which treatments may follow.

Are Cranberries Good for Fatty Liver? Evidence and Guidance

Weight Loss

min read

Are Cranberries Good for Fatty Liver? Evidence and Guidance

Are cranberries good for fatty liver? Discover what the evidence says about cranberries and hepatic steatosis, plus proven dietary strategies for managing NAFLD recommended by UK health authorities.

Does Testogel Build Muscle? Evidence, Risks and Safe Alternatives

Testosterone

min read

Does Testogel Build Muscle? Evidence, Risks and Safe Alternatives

Does Testogel build muscle? Discover the evidence on testosterone replacement therapy, when it's medically appropriate, the risks of misuse, and safe, natural alternatives for muscle development backed by UK clinical guidance.

Vitamin D Injection: UK Clinical Guidance and Safety Information

Supplements

min read

Vitamin D Injection: UK Clinical Guidance and Safety Information

Discover when vitamin D injections are medically appropriate in the UK, how they work, their benefits over oral supplements, potential side effects, and essential safety information for patients with deficiency or malabsorption disorders.

Can Saxenda and Byetta Be Used Together? Safety and Alternatives

GLP-1 Brands

min read

Can Saxenda and Byetta Be Used Together? Safety and Alternatives

Can Saxenda and Byetta be used together? Discover why combining these GLP-1 receptor agonists is not recommended, the safety risks involved, and evidence-based alternative treatment options for weight management and type 2 diabetes.

Mounjaro

min read

Mounjaro and Period Spotting: Causes, Advice and Management

Experiencing Mounjaro and period spotting? Discover why menstrual changes may occur with tirzepatide, when to seek medical advice, and how to manage symptoms safely whilst on treatment.

Erectile Dysfunction

min read

How to Inject Prostaglandin for Erectile Dysfunction Safely

Learn how to inject prostaglandin for erectile dysfunction safely and effectively. Expert guidance on alprostadil injection technique, preparation, side effects, and when to seek medical help for this proven second-line ED treatment.

Rybelsus Mechanism of Action: How It Works

GLP-1 Brands

min read

Rybelsus Mechanism of Action: How It Works

Discover how Rybelsus (semaglutide) improves blood glucose control in type 2 diabetes. Essential guidance for UK patients and clinicians.

Should You Rotate Allergy Medication? What the Evidence Says

Supplements

min read

Should You Rotate Allergy Medication? What the Evidence Says

Should you rotate allergy medication to stop it losing effectiveness? Discover what the clinical evidence, NICE guidance, and NHS advice say about antihistamine rotation and how to manage allergy symptoms safely.

Saxenda & Lightheadedness: Causes and Relief

GLP-1 Brands

min read

Saxenda & Lightheadedness: Causes and Relief

Feeling lightheaded on Saxenda? Learn why it happens, how common it is, and practical steps to ease dizziness — with UK medical guidance.

Bipolar Disorder and Gastric Sleeve Surgery: Risks, Medications & NHS Guidance

Weight Loss

min read

Bipolar Disorder and Gastric Sleeve Surgery: Risks, Medications & NHS Guidance

Bipolar disorder and gastric sleeve surgery: understand the risks, medication absorption changes, psychiatric assessment requirements, and how to work safely with your NHS team.

Bolt Guides

Featured

Can Wegovy Cause Seizures? Evidence and Safety Guidance

Weight loss

Do Athletes Have a Fast Metabolism? The Truth

Calorie Deficit for a Week and No Weight Loss: What to Know

Corn Flour for Fatty Liver: Evidence and Healthier Alternatives

GLP-1 Brands

Wegovy

Mounjaro

Does Victoza Cause Diarrhoea? Causes & Management

What Is Rybelsus Good For? Uses and Benefits Explained

Best Time to Take Ozempic: UK Dosing Guide

Does Your Body Get Used to Saxenda? Tolerance and Effectiveness

Men’s Health

Testosterone

Erectile dysfunction

Do Honey Packs Cause Erectile Dysfunction? Risks and Safe Treatments

Is Testogel Body Identical? UK Guide to Bioidentical Testosterone

Is Testogel Effective? How It Works and What to Expect

What Are the Side Effects of Testogel? UK Guide

Browse all

Can Prednisolone Cause Fatty Liver? UK Medical Guide

Magnesium Spray for Feet: Evidence, Safety and Use

Should I Take Vitamin D or D3 Daily? UK Guidance

Is Flonase an Allergy Medication? Fluticasone Nasal Spray Explained

Scalp Biopsy for Female Hair Loss: Diagnosis, Procedure & Treatment

Are Cranberries Good for Fatty Liver? Evidence and Guidance

Does Testogel Build Muscle? Evidence, Risks and Safe Alternatives

Vitamin D Injection: UK Clinical Guidance and Safety Information

Can Saxenda and Byetta Be Used Together? Safety and Alternatives

Mounjaro and Period Spotting: Causes, Advice and Management

How to Inject Prostaglandin for Erectile Dysfunction Safely

Rybelsus Mechanism of Action: How It Works

Should You Rotate Allergy Medication? What the Evidence Says

Saxenda & Lightheadedness: Causes and Relief

Bipolar Disorder and Gastric Sleeve Surgery: Risks, Medications & NHS Guidance

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