Bolt Guides

When can you eat salad after gastric sleeve surgery? Find out the recommended timeline, safest ingredients, foods to avoid, and expert NHS-aligned tips for reintroducing raw foods comfortably.

Weight Loss

min read

Gastric Sleeve Weight Loss Calculator: Results, Eligibility & Recovery Planning

Use a gastric sleeve weight loss calculator to estimate your results after sleeve gastrectomy. Learn how these tools work, NHS eligibility criteria, and expert recovery planning advice.

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

How Long Does Rybelsus Stay in Your System?

How long does Rybelsus stay in your system? Discover the elimination timeline, factors affecting clearance, and what happens when you stop taking this type 2 diabetes medication.

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What Is Ozempic Personality? Mood Changes and Semaglutide

GLP-1 Brands

min read

What Is Ozempic Personality? Mood Changes and Semaglutide

What is Ozempic personality? Explore reported mood and behavioural changes with semaglutide, the scientific evidence, and when to speak to your GP about side effects whilst taking Ozempic for type 2 diabetes.

What Does Trulicity Do to Your Body? Effects Explained

GLP-1 Brands

min read

What Does Trulicity Do to Your Body? Effects Explained

Discover what Trulicity does to your body, including how this GLP-1 receptor agonist lowers blood sugar, affects weight and appetite, and impacts long-term health in type 2 diabetes management.

Saxenda & Blood Donation: UK Eligibility Guide

GLP-1 Brands

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Saxenda & Blood Donation: UK Eligibility Guide

Taking Saxenda and want to give blood? Learn UK eligibility rules from NHSBT, what liraglutide means for donors, and when to seek advice before donating.

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

Trans Women & Erectile Function: UK Guide

Erectile Dysfunction

min read

Trans Women & Erectile Function: UK Guide

Learn how hormone therapy affects erections in trans women, whether Viagra is suitable, and what support is available through the NHS.

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Testosterone

min read

How Often Should Testosterone Be Checked When Using Testogel?

Find out how often testosterone levels should be checked when using Testogel. Learn about UK monitoring schedules, blood tests, safety checks, and signs your dose may need adjusting under NHS guidelines.

Where to Put Testogel for Women: Safe Application Sites

Testosterone

min read

Where to Put Testogel for Women: Safe Application Sites

Discover where to put Testogel safely if you're a woman prescribed this off-label testosterone therapy. Learn the recommended application sites, step-by-step technique, and essential safety precautions to optimise treatment and minimise risks.

Testosterone

min read

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Can testosterone cause gynaecomastia? Learn how testosterone converts to oestrogen, who is most at risk, how to spot symptoms, and what NHS treatment options are available.

Does Saxenda Cause Hot Flushes? UK Evidence

GLP-1 Brands

min read

Does Saxenda Cause Hot Flushes? UK Evidence

Saxenda and hot flushes: find out what UK clinical guidance says, why some people feel warm during treatment, and when to speak to a doctor.

Can Fish Oil Cause Diarrhoea? Causes and Solutions

Supplements

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Can Fish Oil Cause Diarrhoea? Causes and Solutions

Can fish oil cause diarrhoea? Discover why fish oil supplements may trigger digestive side effects, how to reduce symptoms, and explore safer alternatives. Expert UK guidance on omega-3 supplementation and gastrointestinal tolerance.

Gaining Weight on Ozempic: Causes, Solutions and When to See Your GP

GLP-1 Brands

min read

Gaining Weight on Ozempic: Causes, Solutions and When to See Your GP

Gaining weight on Ozempic? Discover why unexpected weight gain occurs with semaglutide, when to contact your GP, medication adjustments available, and evidence-based lifestyle strategies to support weight management on this diabetes medication.

Erectile Dysfunction

min read

Do Brazil Nuts Help Erectile Dysfunction? Evidence and Safe Use

Do Brazil nuts help erectile dysfunction? Discover the evidence behind selenium, nutritional factors in ED, and why medical assessment remains essential for effective treatment of erectile difficulties.

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.

Can I Take Paracetamol with Trulicity? Safety Guide

GLP-1 Brands

min read

Can I Take Paracetamol with Trulicity? Safety Guide

Can you take paracetamol with Trulicity? Discover the safety of combining these medications, dosage guidance, potential considerations, and when to seek medical advice for diabetes patients.

Omega-3 Fish Oil Side Effects: UK Medical Guide

Supplements

min read

Omega-3 Fish Oil Side Effects: UK Medical Guide

Discover the common and serious omega-3 fish oil side effects, including gastrointestinal issues, bleeding risks, and allergic reactions. Learn who should avoid fish oil supplements and how to minimise side effects with practical UK medical guidance.

How Long Can Gynaecomastia Last? Timelines, Stages & NHS Treatment

Weight Loss

min read

How Long Can Gynaecomastia Last? Timelines, Stages & NHS Treatment

How long does gynaecomastia last? Learn about typical timelines, stages, causes, and NHS treatment options — from spontaneous resolution in puberty to surgical management in chronic cases.

Erectile Dysfunction

min read

Do ACE Inhibitors Cause Erectile Dysfunction? Evidence and Management

Do ACE inhibitors cause erectile dysfunction? Discover the evidence on ACE inhibitors and sexual function, how they compare to other blood pressure medications, and what to do if you experience ED whilst taking these drugs.

Caffeine for Fatty Liver: Evidence, Safety and UK Guidance

Weight Loss

min read

Caffeine for Fatty Liver: Evidence, Safety and UK Guidance

Can caffeine help fatty liver disease? Discover what UK research reveals about coffee consumption for liver health, safe caffeine limits, and evidence-based lifestyle strategies for managing NAFLD.

Hair Loss

min read

JAK Inhibitors for Hair Loss: Treatments, Eligibility and Safety

JAK inhibitors for hair loss: find out how baricitinib and ritlecitinib work for alopecia areata, who qualifies for NHS treatment under NICE guidance, and key safety considerations to discuss with your dermatologist.

What Is Metabolisable Energy? A Clear Guide

Weight Loss

min read

What Is Metabolisable Energy? A Clear Guide

Learn what metabolisable energy means, how your body extracts energy from food, and why ME matters for nutrition and weight management.

Berberine Supplement for Diabetes: UK Evidence and Safety Guide

Supplements

min read

Berberine Supplement for Diabetes: UK Evidence and Safety Guide

Discover whether berberine supplement for diabetes is safe and effective. Expert review of UK evidence, dosing, side effects, drug interactions, and NICE guidance on using berberine for blood sugar control.

Saxenda and Anxiety: Evidence, Symptoms & Management

GLP-1 Brands

min read

Saxenda and Anxiety: Evidence, Symptoms & Management

Can Saxenda cause anxiety or panic attacks? Explore the evidence and learn how to manage anxiety whilst taking liraglutide for weight loss.

Aldosterone in Treatment of Obesity: Evidence and UK Guidance

Weight Loss

min read

Aldosterone in Treatment of Obesity: Evidence and UK Guidance

Aldosterone in treatment of obesity: explore the emerging research on how this hormone affects weight regulation, the evidence for aldosterone-targeted therapies, safety considerations, and current NHS guidance on hormonal approaches to obesity management.

Bolt Guides

Featured

What Is RMR? Resting Metabolic Rate Explained

Weight loss

What Is RMR? Resting Metabolic Rate Explained

When Can I Eat Salad After Gastric Sleeve Surgery?

Gastric Sleeve Weight Loss Calculator: Results, Eligibility & Recovery Planning

GLP-1 Brands

Wegovy

Mounjaro

How Long Does Rybelsus Stay in Your System?

What Is Ozempic Personality? Mood Changes and Semaglutide

What Does Trulicity Do to Your Body? Effects Explained

Saxenda & Blood Donation: UK Eligibility Guide

Men’s Health

Testosterone

Erectile dysfunction

Trans Women & Erectile Function: UK Guide

How Often Should Testosterone Be Checked When Using Testogel?

Where to Put Testogel for Women: Safe Application Sites

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Browse all

Does Saxenda Cause Hot Flushes? UK Evidence

Can Fish Oil Cause Diarrhoea? Causes and Solutions

Gaining Weight on Ozempic: Causes, Solutions and When to See Your GP

Do Brazil Nuts Help Erectile Dysfunction? Evidence and Safe Use

Allergy Medication for CKD: Safe Options and Guidance

Can I Take Paracetamol with Trulicity? Safety Guide

Omega-3 Fish Oil Side Effects: UK Medical Guide

How Long Can Gynaecomastia Last? Timelines, Stages & NHS Treatment

Do ACE Inhibitors Cause Erectile Dysfunction? Evidence and Management

Caffeine for Fatty Liver: Evidence, Safety and UK Guidance

JAK Inhibitors for Hair Loss: Treatments, Eligibility and Safety

What Is Metabolisable Energy? A Clear Guide

Berberine Supplement for Diabetes: UK Evidence and Safety Guide

Saxenda and Anxiety: Evidence, Symptoms & Management

Aldosterone in Treatment of Obesity: Evidence and UK Guidance

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