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.

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 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.

Can You Take Rybelsus After Gastric Bypass Surgery?

GLP-1 Brands

min read

Can You Take Rybelsus After Gastric Bypass Surgery?

Can you take Rybelsus after gastric bypass? Discover how bariatric surgery affects oral semaglutide absorption, what the evidence shows, and which alternative diabetes medications may be more suitable for post-surgical patients.

Do Resting Calories Count Towards a Calorie Deficit? BMR Explained

Weight Loss

min read

Do Resting Calories Count Towards a Calorie Deficit? BMR Explained

Do resting calories count towards a calorie deficit? Find out how BMR fits into your total daily energy expenditure, what NICE and NHS guidance recommends, and how to avoid common calorie-tracking mistakes.

Hair Loss

min read

L-Theanine Side Effects and Hair Loss: What the Evidence Shows

L-theanine side effects and hair loss explained: discover what the evidence says, common causes of hair shedding to consider, and when to see a GP or pharmacist in the UK.

Protein Shakes for Ozempic: UK Clinical Guidance

GLP-1 Brands

min read

Protein Shakes for Ozempic: UK Clinical Guidance

Discover how protein shakes for Ozempic can help maintain muscle mass during treatment. Expert guidance on choosing, timing, and tolerating protein supplements whilst taking semaglutide for diabetes or weight management.

Mounjaro

min read

Best Time to Use Mounjaro: Dosing Schedule Guide

Discover the best time to use Mounjaro for optimal results. Learn when to inject tirzepatide, how timing affects effectiveness, and practical tips for establishing a consistent weekly schedule that fits your lifestyle and supports adherence.

Vitamin D Benefits for Men: What the Evidence Shows

Supplements

min read

Vitamin D Benefits for Men: What the Evidence Shows

Explore the key vitamin D benefits for men — from bone and muscle support to immune health. Includes UK guidance on dosage, sources, and year-round levels.

GLP-1 After Bariatric Surgery: Managing Weight Regain

Weight Loss

min read

GLP-1 After Bariatric Surgery: Managing Weight Regain

Explore how GLP-1 receptor agonists may help manage weight regain after bariatric surgery. Evidence, safety, and NHS treatment pathways explained.

Hair Loss

min read

Does Perimenopause Cause Hair Loss? Symptoms, Causes & UK Treatments

Does perimenopause cause hair loss? Find out how hormonal changes affect hair growth, what other causes to rule out, and which NHS-aligned treatments — including HRT and minoxidil — may help.

Hair Loss

min read

Baldness Hair Loss Treatment: Causes, Options and UK Guidance

Baldness hair loss treatment options explained — from minoxidil and finasteride to NHS guidance, NICE-approved therapies, and lifestyle tips. Find out what works and when to see a doctor.

Berries for Fatty Liver: Evidence, Benefits and Safe Use

Weight Loss

min read

Berries for Fatty Liver: Evidence, Benefits and Safe Use

Can berries help fatty liver disease? Discover which berries may support liver health, the evidence behind their use in NAFLD, and how to include them safely in your diet alongside proven lifestyle interventions.

B12 vs Lipotropic Injections: UK Clinical Evidence

Supplements

min read

B12 vs Lipotropic Injections: UK Clinical Evidence

B12 vs lipotropic injections: evidence-based UK guidance on safety, efficacy, and what the clinical research actually shows.

Does Fatty Liver Cause High Ferritin? Understanding the Link

Weight Loss

min read

Does Fatty Liver Cause High Ferritin? Understanding the Link

Does fatty liver cause high ferritin? Discover the complex relationship between NAFLD and elevated ferritin levels, why ferritin rises in fatty liver disease, other causes to consider, and when to seek medical advice for hyperferritinaemia.

Are Hazelnuts Good for Fatty Liver? Evidence and Guidance

Weight Loss

min read

Are Hazelnuts Good for Fatty Liver? Evidence and Guidance

Are hazelnuts good for fatty liver disease? Discover the evidence on hazelnuts for NAFLD, their nutritional benefits, recommended portions, and how to include them in a liver-supportive Mediterranean-style diet. Expert UK guidance inside.

Monounsaturated and Polyunsaturated Fats: Health Benefits and UK Dietary Guidance

Supplements

min read

Monounsaturated and Polyunsaturated Fats: Health Benefits and UK Dietary Guidance

Discover how monounsaturated and polyunsaturated fats support heart health and why UK guidelines recommend them. Learn which foods provide these essential fats, daily intake recommendations, and practical tips for replacing saturated fats in your diet with evidence-based advice from NHS and NICE guidance.

Erectile Dysfunction

min read

Does Meditation Help Erectile Dysfunction? Evidence and Techniques

Does meditation help erectile dysfunction? Discover how mindfulness and meditation techniques may improve ED by reducing stress and performance anxiety. Learn about the evidence, practical techniques to try, and when to seek medical help for erectile dysfunction alongside complementary approaches.

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

Can You Take Rybelsus After Gastric Bypass Surgery?

Do Resting Calories Count Towards a Calorie Deficit? BMR Explained

L-Theanine Side Effects and Hair Loss: What the Evidence Shows

Protein Shakes for Ozempic: UK Clinical Guidance

Best Time to Use Mounjaro: Dosing Schedule Guide

Vitamin D Benefits for Men: What the Evidence Shows

GLP-1 After Bariatric Surgery: Managing Weight Regain

Does Perimenopause Cause Hair Loss? Symptoms, Causes & UK Treatments

Baldness Hair Loss Treatment: Causes, Options and UK Guidance

Berries for Fatty Liver: Evidence, Benefits and Safe Use

B12 vs Lipotropic Injections: UK Clinical Evidence

Does Fatty Liver Cause High Ferritin? Understanding the Link

Are Hazelnuts Good for Fatty Liver? Evidence and Guidance

Monounsaturated and Polyunsaturated Fats: Health Benefits and UK Dietary Guidance

Does Meditation Help Erectile Dysfunction? Evidence and Techniques

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