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.

OTC Allergy Medications Compared: Antihistamines & More

Supplements

min read

OTC Allergy Medications Compared: Antihistamines & More

Compare UK over-the-counter antihistamines, nasal sprays, eye drops & decongestants to find the best treatment for your allergy symptoms.

Hair Loss

min read

Pura D'Or Hair Loss Prevention Therapy Shampoo: UK Review and Evidence

Pura D'Or Hair Loss Prevention Therapy Shampoo reviewed: ingredients, UK evidence, safety guidance, and how it compares to licensed treatments like minoxidil. Read before you buy.

Vitamin D Metabolism: Pathway, Testing and Clinical Implications

Supplements

min read

Vitamin D Metabolism: Pathway, Testing and Clinical Implications

Discover how vitamin D metabolism works, from sunlight synthesis to active hormone production. Learn which conditions disrupt this pathway, UK testing guidelines, and why understanding this process matters for bone health and deficiency prevention.

HbA1c Non-Fasting Range: UK Reference Ranges Explained

Weight Loss

min read

HbA1c Non-Fasting Range: UK Reference Ranges Explained

Understand your HbA1c result without fasting. See UK reference ranges for normal, borderline, and diabetes levels in mmol/mol — and what to do next.

Skipping a Week of Ozempic: Effects and Safe Resumption

GLP-1 Brands

min read

Skipping a Week of Ozempic: Effects and Safe Resumption

Skipping a week of Ozempic? Discover what happens to your blood sugar control, how to safely resume treatment following MHRA guidance, and practical tips to prevent missed doses in your type 2 diabetes management.

Will You Get Full Faster on Saxenda? Appetite Effects Explained

GLP-1 Brands

min read

Will You Get Full Faster on Saxenda? Appetite Effects Explained

Will you get full faster on Saxenda? Discover how this GLP-1 medication affects appetite, when to expect changes, individual variation in response, and how to optimise results with lifestyle modifications for effective weight management.

Does Soda Cause Fatty Liver? Sugar, Fructose and NAFLD Risk

Weight Loss

min read

Does Soda Cause Fatty Liver? Sugar, Fructose and NAFLD Risk

Does soda cause fatty liver disease? Discover how sugar-sweetened drinks affect your liver health, the role of fructose in fat accumulation, and evidence-based dietary changes to reduce your risk of NAFLD.

Does Tadalafil Give You Headaches? UK Clinical Guidance

Erectile Dysfunction

min read

Does Tadalafil Give You Headaches? UK Clinical Guidance

Does tadalafil give you headaches? Discover how common headaches are with tadalafil, why they occur, practical management strategies, and when to seek medical advice. Evidence-based UK guidance for patients.

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

Weight Loss

min read

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

Does GLP-1 help with hot flashes? Discover the current evidence on GLP-1 medications and menopausal vasomotor symptoms, plus proven UK treatments for hot flashes including HRT and lifestyle approaches.

Wegovy

min read

Eating Sweets on Wegovy: Safety, Effects and Management

Can you eat sweets on Wegovy? Discover how semaglutide affects sugar cravings, whether sweets impact treatment effectiveness, and practical strategies for managing sweet consumption during weight loss therapy.

Hair Loss

min read

Does Rosuvastatin Cause Hair Loss? UK Evidence and Guidance

Does rosuvastatin cause hair loss? Learn what UK clinical evidence and the rosuvastatin SmPC say about alopecia as a side effect, other causes to rule out, and when to see your GP.

Allergy Medication for CKD: Safe Options and Guidance

Supplements

min read

Allergy Medication for CKD: Safe Options and Guidance

Discover which allergy medication for CKD is safe and effective. Learn about antihistamines, dose adjustments, medications to avoid, and when to seek medical advice for kidney disease and allergies.

Weight Loss

min read

Gastric Sleeve Weight Loss: What to Expect and How Much

How much weight will I lose with a gastric sleeve? Most UK patients lose 50–70% of excess body weight within 18 months. Discover expected timelines, NHS eligibility, and long-term maintenance tips.

L-Theanine and Magnesium: Benefits, Dosage, Safety and Interactions

Supplements

min read

L-Theanine and Magnesium: Benefits, Dosage, Safety and Interactions

Discover how L-theanine and magnesium work, their potential benefits for stress and sleep, safe dosing guidance, possible side effects, drug interactions, and who should avoid them. Evidence-based advice for UK readers.

Zinc Oxide Sun Protection: Benefits, Use and UK Safety Guidance

Supplements

min read

Zinc Oxide Sun Protection: Benefits, Use and UK Safety Guidance

Discover how zinc oxide sun protection works to shield your skin from UVA and UVB rays. Learn about benefits, proper application techniques, who should use mineral sunscreens, and UK safety guidance for effective photoprotection.

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

OTC Allergy Medications Compared: Antihistamines & More

Pura D'Or Hair Loss Prevention Therapy Shampoo: UK Review and Evidence

Vitamin D Metabolism: Pathway, Testing and Clinical Implications

HbA1c Non-Fasting Range: UK Reference Ranges Explained

Skipping a Week of Ozempic: Effects and Safe Resumption

Will You Get Full Faster on Saxenda? Appetite Effects Explained

Does Soda Cause Fatty Liver? Sugar, Fructose and NAFLD Risk

Does Tadalafil Give You Headaches? UK Clinical Guidance

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

Eating Sweets on Wegovy: Safety, Effects and Management

Does Rosuvastatin Cause Hair Loss? UK Evidence and Guidance

Allergy Medication for CKD: Safe Options and Guidance

Gastric Sleeve Weight Loss: What to Expect and How Much

L-Theanine and Magnesium: Benefits, Dosage, Safety and Interactions

Zinc Oxide Sun Protection: Benefits, Use and UK Safety Guidance

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