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

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.

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.

Erectile Dysfunction

min read

Does Topical Minoxidil Cause Erectile Dysfunction? UK Evidence Review

Does topical minoxidil cause erectile dysfunction? Discover what clinical evidence reveals about this common hair loss treatment, how it differs from oral minoxidil, and when to seek medical advice about side effects.

Does Gallbladder Removal Cause Fatty Liver Disease? UK Evidence & Guidance

Weight Loss

min read

Does Gallbladder Removal Cause Fatty Liver Disease? UK Evidence & Guidance

Does gallbladder removal cause fatty liver disease? Discover the evidence on cholecystectomy and hepatic steatosis, shared metabolic risk factors, bile flow changes after surgery, and practical strategies to maintain liver health post-operatively with UK clinical guidance.

What Is Rybelsus Used For? UK Semaglutide Guide

GLP-1 Brands

min read

What Is Rybelsus Used For? UK Semaglutide Guide

Find out what Rybelsus (semaglutide) is used for in the UK — including how it works, who can take it, dosing, and side effects of this oral GLP-1 tablet.

Weight Loss

min read

Do Weight Loss Injections Cause Pancreatitis? UK Evidence and Safety

Do weight loss injections cause pancreatitis? Explore the evidence on GLP-1 receptor agonists like Wegovy and Saxenda, understand the risks, recognise warning symptoms, and learn essential safety precautions for UK patients.

Is Oatmeal Good for a Fatty Liver? Evidence and Guidance

Weight Loss

min read

Is Oatmeal Good for a Fatty Liver? Evidence and Guidance

Is oatmeal good for a fatty liver? Discover how this fibre-rich whole grain supports liver health, improves insulin sensitivity, and fits into an evidence-based dietary plan for managing non-alcoholic fatty liver disease (NAFLD).

Weight Loss

min read

What to Eat on Weight Loss Injections: UK Dietary Guide

Discover what to eat on weight loss injections like Wegovy and Saxenda. Expert UK guidance on foods to choose, avoid, and how to manage side effects through diet whilst maximising treatment outcomes and maintaining proper nutrition.

Does GLP-1 Burn Belly Fat? Evidence and UK Guidance

Weight Loss

min read

Does GLP-1 Burn Belly Fat? Evidence and UK Guidance

Does GLP-1 burn belly fat? Discover how GLP-1 medications affect abdominal fat, what clinical evidence shows about visceral fat loss, and who can access treatment in the UK. Expert medical guidance on realistic expectations.

Do GLP-1 Medications Cause Bone Loss? Evidence and Guidance

Weight Loss

min read

Do GLP-1 Medications Cause Bone Loss? Evidence and Guidance

Do GLP-1 medications cause bone loss? Discover what current research reveals about GLP-1 receptor agonists and bone health, including evidence from clinical trials, risk factors to consider, and practical strategies to protect your skeletal health during treatment with semaglutide, liraglutide, and other GLP-1 therapies.

Retatrutide BAC Water Reconstitution: UK Regulatory Guidance and Safety

GLP-1 Brands

min read

Retatrutide BAC Water Reconstitution: UK Regulatory Guidance and Safety

How much BAC water for retatrutide? Retatrutide is an unlicensed investigational compound in the UK — learn why no safe reconstitution guidance exists outside clinical trials, and what the MHRA says about self-administering unregulated injectables.

Should You Take Berberine in the Morning or at Night?

Supplements

min read

Should You Take Berberine in the Morning or at Night?

Should you take berberine in the morning or at night? Discover evidence-based guidance on optimal timing, dosing strategies, and safety considerations for berberine supplementation in the UK.

Testosterone

min read

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Calorie deficit effect on testosterone explained — learn how energy restriction affects hormone levels, warning signs to watch for, and evidence-based steps to protect testosterone while losing weight safely.

Soy Allergy Medications to Avoid: UK Guide to Safe Prescriptions

Supplements

min read

Soy Allergy Medications to Avoid: UK Guide to Safe Prescriptions

Discover which soy allergy medications to avoid in the UK. Learn how to identify soya ingredients in prescriptions, find safe alternatives, and protect yourself from allergic reactions with expert guidance.

Hair Loss

min read

Can Amlodipine Cause Hair Loss? Evidence, Risks & UK Guidance

Can amlodipine cause hair loss? Learn what UK guidance says about this very rare side effect, what the evidence shows, other possible causes, and when to speak to your GP.

Adverse Effects vs Medication Allergy: Key Differences Explained

Supplements

min read

Adverse Effects vs Medication Allergy: Key Differences Explained

Discover the crucial differences between adverse effects vs medication allergy. Learn to recognise true allergic reactions, understand common side effects, and know when to seek medical help for medication reactions.

Zinc Oxide for Nappy Rash: Treatment Guide for Parents

Supplements

min read

Zinc Oxide for Nappy Rash: Treatment Guide for Parents

Discover how zinc oxide for nappy rash works as a protective barrier treatment. Learn proper application techniques, expected timeframes for improvement, and when to seek medical advice for your baby's skin.

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 Topical Minoxidil Cause Erectile Dysfunction? UK Evidence Review

Does Gallbladder Removal Cause Fatty Liver Disease? UK Evidence & Guidance

What Is Rybelsus Used For? UK Semaglutide Guide

Do Weight Loss Injections Cause Pancreatitis? UK Evidence and Safety

Is Oatmeal Good for a Fatty Liver? Evidence and Guidance

What to Eat on Weight Loss Injections: UK Dietary Guide

Does GLP-1 Burn Belly Fat? Evidence and UK Guidance

Do GLP-1 Medications Cause Bone Loss? Evidence and Guidance

Retatrutide BAC Water Reconstitution: UK Regulatory Guidance and Safety

Should You Take Berberine in the Morning or at Night?

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Soy Allergy Medications to Avoid: UK Guide to Safe Prescriptions

Can Amlodipine Cause Hair Loss? Evidence, Risks & UK Guidance

Adverse Effects vs Medication Allergy: Key Differences Explained

Zinc Oxide for Nappy Rash: Treatment Guide for Parents

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