Bolt Guides

Expert insights on weight loss and more.

Featured

Fatty Liver Disease and Urine Colour: Symptoms to Watch

Weight Loss

min read

Fatty Liver Disease and Urine Colour: Symptoms to Watch

Discover how fatty liver disease affects urine colour, which symptoms signal progression, and when darker urine warrants urgent medical attention. Expert UK guidance on recognising liver-related warning signs.

Read now

Weight loss

Read all on weight loss

Weight Loss

min read

Fatty Liver Disease and Urine Colour: Symptoms to Watch

Does It Matter Where You Inject GLP-1 Medications?

Weight Loss

min read

Does It Matter Where You Inject GLP-1 Medications?

Does it matter where you inject GLP-1 medications? Discover why injection site selection is important for semaglutide, dulaglutide, and liraglutide. Learn approved sites, rotation techniques, and common mistakes to optimise your GLP-1 treatment safely and effectively.

Air Bubble in Subcutaneous Injection: Safe? How to Remove

Weight Loss

min read

Air Bubble in Subcutaneous Injection: Safe? How to Remove

What happens if you inject an air bubble? Learn why small bubbles in GLP-1 pens like Wegovy and Ozempic are harmless and how to remove them properly.

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

Ozempic Sulphur Burps and Diarrhoea: Causes, Duration and Management

Ozempic sulphur burps and diarrhoea explained: discover why these gastrointestinal side effects occur, how long they last, effective management strategies, and when to seek medical advice for symptoms.

Read now

Ozempic Sulphur Burps and Diarrhoea: Causes, Duration and Management

Ozempic Vomiting: Why It Happens & How to Stop It

GLP-1 Brands

min read

Ozempic Vomiting: Why It Happens & How to Stop It

Learn why Ozempic causes vomiting, how long it lasts, and proven ways to manage nausea. Plus, when to contact your doctor about side effects.

How to Stop Ozempic Hiccups: Relief and Prevention

GLP-1 Brands

min read

How to Stop Ozempic Hiccups: Relief and Prevention

Discover how to stop Ozempic hiccups with evidence-based techniques, dietary modifications, and medical treatments. Learn when persistent hiccups require clinical assessment and how to manage this uncommon side effect safely.

GLP-1 Brands

min read

How to Use Rybelsus: GLP-1 Tablet Guide

Find out how to take Rybelsus (semaglutide) correctly. Dosing schedules, timing tips, and common mistakes to avoid for better glycaemic control.

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 Erectile Dysfunction Cause Anger? Understanding the Emotional Link

Does erectile dysfunction cause anger? Discover the psychological link between ED and emotional distress, how to manage anger and frustration, and when to seek help from your GP for both physical and mental health support.

Read now

How Much Testogel Should I Take? UK Dosing Guide

Testosterone

min read

How Much Testogel Should I Take? UK Dosing Guide

How much Testogel should you take? Learn how doctors determine your individual dose, typical starting amounts for each formulation, dose adjustment based on blood tests, and what to do if you miss or take too much. UK guidance included.

Testosterone

min read

Does Testogel Help Grow Facial Hair? UK Guide to Testosterone Therapy

Does Testogel help grow facial hair? Discover how testosterone replacement therapy affects facial hair growth, who can use it, expected timelines, and essential safety considerations for UK patients with hypogonadism.

Testosterone

min read

Does Testosterone Treatment Cause Blood Clots? UK Evidence & Safety

Does testosterone treatment cause blood clots? Discover the evidence on TRT and VTE risk, including mechanisms, risk factors, warning symptoms, and essential safety monitoring to reduce your thrombotic risk during testosterone therapy.

Foods Interfering with Vitamin D Absorption: Evidence and Guidance

Supplements

min read

Foods Interfering with Vitamin D Absorption: Evidence and Guidance

Discover which foods may interfere with vitamin D absorption and learn evidence-based strategies to optimise your vitamin D levels through diet, supplementation, and lifestyle adjustments for better bone and immune health.

When Can You Have Carbonation After Gastric Sleeve Surgery?

Weight Loss

min read

When Can You Have Carbonation After Gastric Sleeve Surgery?

When can you have carbonation after gastric sleeve surgery? Learn the UK-recommended timeline, risks of fizzy drinks too soon, and safe hydration advice from bariatric dietitians.

Does Sildenafil Cause Acid Reflux? Symptoms and Management

Erectile Dysfunction

min read

Does Sildenafil Cause Acid Reflux? Symptoms and Management

Does sildenafil cause acid reflux? Discover how Viagra may trigger heartburn, the mechanisms involved, practical management strategies, and when to seek medical advice for reflux symptoms.

Omega-3 and Cholesterol: Effects, Evidence and UK Guidance

Supplements

min read

Omega-3 and Cholesterol: Effects, Evidence and UK Guidance

Discover how omega-3 and cholesterol are connected. Learn about omega-3's effects on triglycerides, LDL and HDL cholesterol, evidence-based dosing, and UK clinical guidance for heart health and lipid management.

Weight Loss

min read

Vitamin B12 Pills for Weight Loss: What UK Evidence Really Shows

Vitamin B12 pills for weight loss — do they actually work? Explore what UK clinical evidence, NICE guidance, and the NHS say, plus who genuinely needs B12 supplementation and safe dosing advice.

How Does Sildenafil Increase Blood Flow? Mechanism Explained

Erectile Dysfunction

min read

How Does Sildenafil Increase Blood Flow? Mechanism Explained

Discover how sildenafil increases blood flow by inhibiting PDE5, prolonging cGMP activity, and promoting vasodilation. Learn about its mechanism, clinical uses, and safety considerations in this expert guide.

Allergy Medicine and Thyroid Medication: Interactions, Safety and UK Guidance

Supplements

min read

Allergy Medicine and Thyroid Medication: Interactions, Safety and UK Guidance

Allergy medicine and thyroid medication can interact in important ways. Learn which antihistamines and decongestants are safer with levothyroxine or carbimazole, plus MHRA and NICE guidance for UK patients.

Erectile Dysfunction

min read

Does Tizanidine Cause Erectile Dysfunction? Evidence and Guidance

Does tizanidine cause erectile dysfunction? Discover how this muscle relaxant may affect sexual function, what the evidence shows, and practical steps to take if you experience symptoms whilst on treatment.

Does Ozempic Affect Botox? Interactions and Safety Guidance

GLP-1 Brands

min read

Does Ozempic Affect Botox? Interactions and Safety Guidance

Does Ozempic affect Botox results or safety? Discover the evidence on interactions between semaglutide and botulinum toxin, including timing considerations, side effects, and what to tell your healthcare provider about concurrent use.

Best Laxative for GLP-1 Patients: UK Evidence-Based Guide

Weight Loss

min read

Best Laxative for GLP-1 Patients: UK Evidence-Based Guide

Discover the best laxative for GLP-1 patients experiencing constipation from semaglutide, dulaglutide, or liraglutide. Evidence-based UK guidance on osmotic, bulk-forming, and stimulant laxatives, plus lifestyle strategies and when to seek medical advice.

Can Gynaecomastia Be Reversed? Causes, Treatments and UK Options

Weight Loss

min read

Can Gynaecomastia Be Reversed? Causes, Treatments and UK Options

Can gynaecomastia be reversed? Discover how duration, cause, and treatment options — including medication and surgery — affect outcomes for men with enlarged breast tissue in the UK.

Diabetes Status from HbA1c: UK Thresholds, NICE Guidelines and Next Steps

Weight Loss

min read

Diabetes Status from HbA1c: UK Thresholds, NICE Guidelines and Next Steps

Diabetes status from HbA1c explained: understand UK diagnostic thresholds, NICE guidelines, what your mmol/mol result means, and the next steps for normal, prediabetes, or type 2 diabetes results.

Hair Loss

min read

Does Scratching Your Head Cause Hair Loss? UK Guide

Does scratching your head cause hair loss? Learn what UK dermatologists say about scalp itching, common causes, when to see a GP, and NHS-recommended treatments.

How Much Glucosamine Per Day: Dosage Guidelines and Safety

Supplements

min read

How Much Glucosamine Per Day: Dosage Guidelines and Safety

Discover how much glucosamine per day is recommended for adults, including dosage guidelines, safety considerations, and factors that affect appropriate use. Learn about glucosamine sulphate dosing and UK clinical guidance.

NASH and Fatty Liver Disease: Causes, Symptoms, and UK Treatment

Weight Loss

min read

NASH and Fatty Liver Disease: Causes, Symptoms, and UK Treatment

Understand NASH (nonalcoholic steatohepatitis) and how it differs from fatty liver disease. Learn about causes, symptoms, UK diagnosis pathways, treatment options, and how to prevent progression to cirrhosis with expert medical guidance.

Bolt Guides

Featured

Fatty Liver Disease and Urine Colour: Symptoms to Watch

Weight loss

Fatty Liver Disease and Urine Colour: Symptoms to Watch

Does It Matter Where You Inject GLP-1 Medications?

Air Bubble in Subcutaneous Injection: Safe? How to Remove

GLP-1 Brands

Wegovy

Mounjaro

Ozempic Sulphur Burps and Diarrhoea: Causes, Duration and Management

Ozempic Vomiting: Why It Happens & How to Stop It

How to Stop Ozempic Hiccups: Relief and Prevention

How to Use Rybelsus: GLP-1 Tablet Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Erectile Dysfunction Cause Anger? Understanding the Emotional Link

How Much Testogel Should I Take? UK Dosing Guide

Does Testogel Help Grow Facial Hair? UK Guide to Testosterone Therapy

Does Testosterone Treatment Cause Blood Clots? UK Evidence & Safety

Browse all

Foods Interfering with Vitamin D Absorption: Evidence and Guidance

When Can You Have Carbonation After Gastric Sleeve Surgery?

Does Sildenafil Cause Acid Reflux? Symptoms and Management

Omega-3 and Cholesterol: Effects, Evidence and UK Guidance

Vitamin B12 Pills for Weight Loss: What UK Evidence Really Shows

How Does Sildenafil Increase Blood Flow? Mechanism Explained

Allergy Medicine and Thyroid Medication: Interactions, Safety and UK Guidance

Does Tizanidine Cause Erectile Dysfunction? Evidence and Guidance

Does Ozempic Affect Botox? Interactions and Safety Guidance

Best Laxative for GLP-1 Patients: UK Evidence-Based Guide

Can Gynaecomastia Be Reversed? Causes, Treatments and UK Options

Diabetes Status from HbA1c: UK Thresholds, NICE Guidelines and Next Steps

Does Scratching Your Head Cause Hair Loss? UK Guide

How Much Glucosamine Per Day: Dosage Guidelines and Safety

NASH and Fatty Liver Disease: Causes, Symptoms, and UK Treatment

Personalized weight management for women