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.

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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.

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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

min read

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.

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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.

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.

Hair Loss

min read

Revita Hair Loss Shampoo: Ingredients, Evidence, and Safe Use

Revita hair loss shampoo reviewed: discover how it works, the evidence behind key ingredients like ketoconazole and caffeine, safe usage tips, and when to see a GP.

Does Tadalafil Increase Muscle Growth? Evidence and Risks

Erectile Dysfunction

min read

Does Tadalafil Increase Muscle Growth? Evidence and Risks

Does tadalafil increase muscle growth? Discover what the clinical evidence reveals about tadalafil and muscle building, the risks of off-licence use, and safe, proven strategies for developing muscle mass backed by UK medical guidance.

Hair Loss

min read

Does Lamotrigine Cause Hair Loss? UK Guidance Explained

Does lamotrigine cause hair loss? Learn what UK clinical guidance says about this uncommon side effect, how to tell if lamotrigine is the cause, and what to do next.

Does Ozempic Show Up in Urine Tests? UK Medical Guide

GLP-1 Brands

min read

Does Ozempic Show Up in Urine Tests? UK Medical Guide

Does Ozempic show up in urine tests? Discover why semaglutide is not detected in standard drug screening, what tests actually measure, and what to tell your doctor about this diabetes medication.

Hair Loss

min read

Does Fibromyalgia Cause Hair Loss? Causes, Treatments & NHS Advice

Does fibromyalgia cause hair loss? Learn what NHS and NICE guidance says, which related conditions and medications may trigger hair thinning, and when to see your GP.

How Do You Feel When Taking Ozempic? Symptoms Explained

GLP-1 Brands

min read

How Do You Feel When Taking Ozempic? Symptoms Explained

Discover how you feel when taking Ozempic for type 2 diabetes—from common gastrointestinal effects like nausea and fullness to week-by-week symptom timelines. Learn practical management strategies and when to contact your GP for safe, effective treatment.

Omega-3 Acid Benefits: Evidence-Based Health Effects and UK Guidance

Supplements

min read

Omega-3 Acid Benefits: Evidence-Based Health Effects and UK Guidance

Discover the evidence-based omega-3 acid benefits for heart health, brain function, and inflammation. Learn about recommended intake, dietary sources, supplementation guidance, and safety considerations aligned with UK clinical standards.

Erectile Dysfunction

min read

Does Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

Does ibuprofen affect erectile dysfunction? Explore the evidence on NSAIDs and ED, understand established causes of erectile problems, learn which medications can impact sexual function, and discover when to seek medical advice from your GP.

Fatty Liver Disease Self-Care: Evidence-Based UK Guidance

Weight Loss

min read

Fatty Liver Disease Self-Care: Evidence-Based UK Guidance

Discover evidence-based fatty liver disease self-care strategies including dietary changes, exercise plans, weight management, and lifestyle modifications. Learn how UK-recommended approaches can reduce liver fat, halt progression, and improve your long-term health without medication.

Does Water Fasting Help with Fatty Liver? UK Medical Guidance

Weight Loss

min read

Does Water Fasting Help with Fatty Liver? UK Medical Guidance

Does water fasting help with fatty liver? Discover what UK medical guidance says about water fasting for NAFLD, the evidence behind fasting protocols, potential risks, and NHS-recommended approaches to safely manage and reverse fatty liver disease through proven lifestyle interventions.

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

GLP-1 Brands

min read

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

How much bacteriostatic water to mix with retatrutide — understand reconstitution principles, UK regulatory status, safety risks, and when to seek medical advice before use.

Is HbA1c 7.1% Normal for Diabetics? NHS Targets Explained

Weight Loss

min read

Is HbA1c 7.1% Normal for Diabetics? NHS Targets Explained

Is HbA1c 7.1% normal for diabetics? Learn what 54 mmol/mol means, how it compares to NICE targets, what affects your result, and when to speak to your GP.

Gallbladder and Fatty Liver: Connection, Symptoms & Treatment

Weight Loss

min read

Gallbladder and Fatty Liver: Connection, Symptoms & Treatment

Discover how gallbladder disease and fatty liver are connected, their shared risk factors, symptoms to watch for, NHS diagnosis pathways, treatment options including surgery and lifestyle changes, and evidence-based strategies to protect your liver and gallbladder health.

Best Allergy Medication for a Stuffy Nose: UK Guide

Supplements

min read

Best Allergy Medication for a Stuffy Nose: UK Guide

The best allergy medication for a stuffy nose explained — from nasal corticosteroid sprays to antihistamines and decongestants. Find out what works, what's available OTC in the UK, and when to see a GP.

How to Dispose of Saxenda Pens Safely in the UK

GLP-1 Brands

min read

How to Dispose of Saxenda Pens Safely in the UK

How to dispose of Saxenda pens correctly in the UK: step-by-step guidance on sharps containers, NHS disposal services, pharmacy returns, and what to avoid. Protect your family and the environment with proper liraglutide pen disposal.

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

Revita Hair Loss Shampoo: Ingredients, Evidence, and Safe Use

Does Tadalafil Increase Muscle Growth? Evidence and Risks

Does Lamotrigine Cause Hair Loss? UK Guidance Explained

Does Ozempic Show Up in Urine Tests? UK Medical Guide

Does Fibromyalgia Cause Hair Loss? Causes, Treatments & NHS Advice

How Do You Feel When Taking Ozempic? Symptoms Explained

Omega-3 Acid Benefits: Evidence-Based Health Effects and UK Guidance

Does Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

Fatty Liver Disease Self-Care: Evidence-Based UK Guidance

Does Water Fasting Help with Fatty Liver? UK Medical Guidance

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Is HbA1c 7.1% Normal for Diabetics? NHS Targets Explained

Gallbladder and Fatty Liver: Connection, Symptoms & Treatment

Best Allergy Medication for a Stuffy Nose: UK Guide

How to Dispose of Saxenda Pens Safely in the UK

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