Bolt Guides

Expert insights on weight loss and more.

Featured

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

GLP-1 Brands

min read

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

Retatrutide dosage explained: learn what Phase 2 trial data reveals about weekly doses, how this triple agonist works, its safety profile, UK regulatory status, and when it may become available.

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Weight loss

Read all on weight loss

Stricture After Gastric Sleeve: Causes, Symptoms and UK Treatment

Weight Loss

min read

Stricture After Gastric Sleeve: Causes, Symptoms and UK Treatment

What is a stricture after gastric sleeve surgery? Learn about the causes, symptoms, diagnosis, and NHS treatment options for sleeve gastrectomy stenosis in this expert UK guide.

Body Odour and Intermittent Fasting: Causes, Management and NHS Guidance

Weight Loss

min read

Body Odour and Intermittent Fasting: Causes, Management and NHS Guidance

Body odour during intermittent fasting explained — discover why fasting causes changes in sweat and breath smell, when to seek medical advice, and NHS-aligned tips to manage it effectively.

COVID Treatment for Obese Patients: NHS Guidance and Care

Weight Loss

min read

COVID Treatment for Obese Patients: NHS Guidance and Care

Comprehensive guide to COVID treatment for obese patients: NHS-recommended antivirals, corticosteroids, hospital care protocols, dosing considerations, and long COVID recovery support based on UK clinical guidance.

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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 Dosage: What Clinical Trial Evidence Currently Shows

Retatrutide dosage explained: learn what Phase 2 trial data reveals about weekly doses, how this triple agonist works, its safety profile, UK regulatory status, and when it may become available.

Read now

Retatrutide Not Working: Causes, Solutions and UK Alternatives

GLP-1 Brands

min read

Retatrutide Not Working: Causes, Solutions and UK Alternatives

Retatrutide not working? Discover the clinical and lifestyle reasons behind suboptimal results, when to contact your GP, and MHRA-approved alternatives available in the UK.

How to Use the Lyxumia Pen: Step-by-Step Guide

GLP-1 Brands

min read

How to Use the Lyxumia Pen: Step-by-Step Guide

Learn how to use the Lyxumia pen correctly with our step-by-step guide. Discover proper injection technique, storage tips, troubleshooting advice, and essential safety information for effective type 2 diabetes management.

How to Inject Victoza: Sites, Technique & Rotation

GLP-1 Brands

min read

How to Inject Victoza: Sites, Technique & Rotation

Find out how to inject Victoza safely — including the best injection sites, step-by-step technique, and site rotation tips for effective liraglutide use.

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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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Sildenafil and Timing: How Long It Takes to Work and Last

Erectile Dysfunction

min read

Sildenafil and Timing: How Long It Takes to Work and Last

Does sildenafil increase timing? Find out how long sildenafil takes to work, how long it lasts, and what affects its effectiveness — with UK NHS and NICE guidance.

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Testosterone

min read

Is Testosterone Treatment Real Testosterone or Synthetic? UK Guide

Is testosterone treatment real testosterone or synthetic? Discover the truth about TRT medications in the UK. All licensed preparations contain bioidentical testosterone—molecularly identical to your body's natural hormone. Learn about regulation, safety, and what to expect from legitimate treatment.

Testosterone

min read

Does Testosterone Treatment Help with Gynaecomastia? UK Evidence Review

Does testosterone treatment help with gynaecomastia? Discover the complex relationship between testosterone therapy and male breast enlargement, when it might help, and why it can sometimes worsen the condition. Evidence-based UK guidance explained.

When to Start Testogel: Clinical Indications and Guidelines

Testosterone

min read

When to Start Testogel: Clinical Indications and Guidelines

Discover when to start Testogel for testosterone replacement therapy. Expert guidance on clinical indications, essential blood tests, dosing protocols, contraindications, and monitoring requirements for safe TRT initiation in the UK.

Is Keto Good for Gastric Sleeve Patients? Benefits, Risks & NHS Guidance

Weight Loss

min read

Is Keto Good for Gastric Sleeve Patients? Benefits, Risks & NHS Guidance

Is keto good for gastric sleeve patients? Explore the benefits, risks, NHS guidance, and when to seek advice from your bariatric team before starting a ketogenic diet after sleeve gastrectomy.

How Long Does Retatrutide Last Once Mixed? UK Regulatory Guidance

GLP-1 Brands

min read

How Long Does Retatrutide Last Once Mixed? UK Regulatory Guidance

How long retatrutide lasts once mixed has no MHRA-validated answer — it's an unlicensed investigational drug in the UK. Learn about regulatory status, safe handling, and how to access it legally through clinical trials.

What Can You Never Eat Again After Gastric Sleeve Surgery?

Weight Loss

min read

What Can You Never Eat Again After Gastric Sleeve Surgery?

What can you never eat again after gastric sleeve surgery? Discover which foods to avoid, why they cause problems, and essential NHS dietary guidance for long-term health after sleeve gastrectomy.

Can Saxenda Cause Hives? UK Medical Guidance

GLP-1 Brands

min read

Can Saxenda Cause Hives? UK Medical Guidance

Can Saxenda cause hives? Discover how this weight management medication may trigger urticaria, what to do if you develop hives, and when to seek urgent medical help. Essential UK guidance for patients.

Does Vodka Cause Fatty Liver? UK Medical Evidence and Guidance

Weight Loss

min read

Does Vodka Cause Fatty Liver? UK Medical Evidence and Guidance

Does vodka cause fatty liver disease? Discover how vodka affects your liver, the science behind alcohol-related fatty liver, UK safe drinking limits, symptoms to watch for, and evidence-based treatment options for reversing liver damage through abstinence and lifestyle changes.

Calorie Deficit Based on Weight: Safe Calculation and Adjustment Guide

Weight Loss

min read

Calorie Deficit Based on Weight: Safe Calculation and Adjustment Guide

Learn how to calculate a calorie deficit based on weight for safe, sustainable weight loss. Discover evidence-based strategies, when to adjust your deficit, and when to seek professional guidance aligned with NHS and NICE recommendations.

Wegovy

min read

Can I Take Wegovy If I Have a Hiatus Hernia?

Can you take Wegovy if you have a hiatus hernia? Discover how this GLP-1 weight-loss medication affects reflux symptoms, when it may be suitable, and what precautions to take. Expert UK medical guidance.

Can You Take Iron and Magnesium Together? UK Clinical Guidance

Supplements

min read

Can You Take Iron and Magnesium Together? UK Clinical Guidance

Can you take iron and magnesium together? Discover the evidence-based guidance on timing, absorption, interactions, and safety considerations when taking both supplements. Expert UK clinical advice inside.

ADA HbA1c Reference Ranges: Normal, Prediabetes, and Diabetes Thresholds

Weight Loss

min read

ADA HbA1c Reference Ranges: Normal, Prediabetes, and Diabetes Thresholds

ADA HbA1c reference ranges explained: understand normal, prediabetes, and diabetes thresholds in both % and mmol/mol, how they compare with UK NICE guidance, and when to seek advice.

HbA1c Blood Test: Results, Ranges & NHS Guidance

Weight Loss

min read

HbA1c Blood Test: Results, Ranges & NHS Guidance

Find out what your HbA1c result means, how glycated haemoglobin is measured, and what NHS ranges indicate for prediabetes and type 2 diabetes.

Mounjaro

min read

Mounjaro and Bodybuilding: Safety, Risks and Medical Guidance

Mounjaro and bodybuilding: understand how tirzepatide works, why athletes consider it, potential risks to muscle mass and performance, and essential medical guidance before use. Expert UK clinical advice.

Berberine and Thyroid Meds: UK Safety Guidance

Supplements

min read

Berberine and Thyroid Meds: UK Safety Guidance

Berberine and thyroid meds: discover essential safety guidance for UK patients taking levothyroxine or other thyroid treatments alongside berberine supplements, including timing, monitoring, and when to consult your GP.

Fasting Blood Sugar or HbA1c: NHS Tests, Results & Next Steps

Weight Loss

min read

Fasting Blood Sugar or HbA1c: NHS Tests, Results & Next Steps

Fasting blood sugar or HbA1c — which test is right for you? Understand NHS reference ranges, when each test is used, what your results mean, and next steps under NICE guidance.

Hair Loss

min read

Can Sertraline (Zoloft) Cause Hair Loss? UK Guide

Can Zoloft (sertraline) cause hair loss? Learn how common this side effect is, why it happens, what UK guidance says, and what to do if you notice shedding while taking sertraline.

Hashimoto's Disease and Ozempic: Safety and Monitoring Guidance

GLP-1 Brands

min read

Hashimoto's Disease and Ozempic: Safety and Monitoring Guidance

Can you take Ozempic with Hashimoto's disease? Discover safety considerations, potential thyroid medication interactions, monitoring requirements, and when to speak with your GP about combining these treatments.

Bolt Guides

Featured

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

Weight loss

Stricture After Gastric Sleeve: Causes, Symptoms and UK Treatment

Body Odour and Intermittent Fasting: Causes, Management and NHS Guidance

COVID Treatment for Obese Patients: NHS Guidance and Care

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Dosage: What Clinical Trial Evidence Currently Shows

Retatrutide Not Working: Causes, Solutions and UK Alternatives

How to Use the Lyxumia Pen: Step-by-Step Guide

How to Inject Victoza: Sites, Technique & Rotation

Men’s Health

Testosterone

Erectile dysfunction

Sildenafil and Timing: How Long It Takes to Work and Last

Is Testosterone Treatment Real Testosterone or Synthetic? UK Guide

Does Testosterone Treatment Help with Gynaecomastia? UK Evidence Review

When to Start Testogel: Clinical Indications and Guidelines

Browse all

Is Keto Good for Gastric Sleeve Patients? Benefits, Risks & NHS Guidance

How Long Does Retatrutide Last Once Mixed? UK Regulatory Guidance

What Can You Never Eat Again After Gastric Sleeve Surgery?

Can Saxenda Cause Hives? UK Medical Guidance

Does Vodka Cause Fatty Liver? UK Medical Evidence and Guidance

Calorie Deficit Based on Weight: Safe Calculation and Adjustment Guide

Can I Take Wegovy If I Have a Hiatus Hernia?

Can You Take Iron and Magnesium Together? UK Clinical Guidance

ADA HbA1c Reference Ranges: Normal, Prediabetes, and Diabetes Thresholds

HbA1c Blood Test: Results, Ranges & NHS Guidance

Mounjaro and Bodybuilding: Safety, Risks and Medical Guidance

Berberine and Thyroid Meds: UK Safety Guidance

Fasting Blood Sugar or HbA1c: NHS Tests, Results & Next Steps

Can Sertraline (Zoloft) Cause Hair Loss? UK Guide

Hashimoto's Disease and Ozempic: Safety and Monitoring Guidance

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