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.

What Is Metabolism: How It Works and Affects Your Health

Weight Loss

min read

What Is Metabolism: How It Works and Affects Your Health

What is metabolism and how does it work? Discover the essential biochemical processes that convert food into energy, the factors affecting metabolic rate, common myths debunked, and when to seek medical advice for metabolic concerns.

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.

Is Oregano Good for Fatty Liver? Evidence and Safety

Weight Loss

min read

Is Oregano Good for Fatty Liver? Evidence and Safety

Is oregano good for fatty liver? Discover what the evidence says about oregano's potential benefits for liver health, safety considerations, and why lifestyle changes remain the gold standard treatment for NAFLD according to UK medical guidance.

Testosterone

min read

Low Testosterone and Man Boobs: Causes, Diagnosis, and NHS Treatment

Low testosterone causing man boobs? Learn how hormonal imbalance leads to gynaecomastia, what causes it, when to see a GP, and what NHS diagnosis and treatment options are available.

Is Salmon High in Mercury? UK Safety Guidelines

Supplements

min read

Is Salmon High in Mercury? UK Safety Guidelines

Is salmon high in mercury? Discover why salmon is one of the lowest mercury fish available. Expert guidance on safe consumption, pregnancy advice, and NHS recommendations for including salmon in your diet.

Can HCG Cause Gynaecomastia? Risks, Signs and UK Treatment Options

Weight Loss

min read

Can HCG Cause Gynaecomastia? Risks, Signs and UK Treatment Options

Can HCG cause gynaecomastia? Yes — find out why, who is most at risk, how to recognise the signs, and what NHS-aligned treatment options are available for HCG-related breast changes in men.

Spicy Food After Gastric Sleeve: What You Need to Know

Weight Loss

min read

Spicy Food After Gastric Sleeve: What You Need to Know

Can you eat spicy food after gastric sleeve surgery? Learn when it is safe to reintroduce spice, what the evidence says, NHS dietary guidelines, and when to contact your bariatric team.

Allergy Medication While Breastfeeding: Safe Options and What to Avoid

Supplements

min read

Allergy Medication While Breastfeeding: Safe Options and What to Avoid

Allergy medication while breastfeeding: find out which antihistamines are NHS-recommended, which to avoid, and how to manage hay fever and allergic rhinitis safely whilst feeding your baby.

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

GLP-1 Brands

min read

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

Find out exactly how many 1.2mg doses are in a Victoza pen and how long your supply will last. Essential guidance on calculating your Victoza pen duration, when to order refills, and proper storage for optimal diabetes management.

Hair Loss

min read

Can Perms Cause Hair Loss? Types, Risks, and When to Seek Help

Can perms cause hair loss? Learn how perm chemicals affect your hair and scalp, the types of damage they can cause, warning signs to watch for, and when to see your GP.

How to Calculate HbA1c Levels: NHS Ranges and Diabetes Management

Weight Loss

min read

How to Calculate HbA1c Levels: NHS Ranges and Diabetes Management

How to calculate HbA1c levels explained: understand IFCC mmol/mol values, NHS reference ranges, what affects accuracy, and NICE-recommended management for diabetes and prediabetes.

How Common Is Pancreatitis with Ozempic? UK Risk Guide

GLP-1 Brands

min read

How Common Is Pancreatitis with Ozempic? UK Risk Guide

How common is pancreatitis with Ozempic? Discover the actual risk rates, warning signs to watch for, who's most at risk, and what to do if symptoms develop whilst taking semaglutide for type 2 diabetes.

Saxenda & Iron Deficiency: Symptoms and Management

GLP-1 Brands

min read

Saxenda & Iron Deficiency: Symptoms and Management

Discover how Saxenda affects iron levels, spot deficiency symptoms early, and get UK dietary tips and NHS advice for safe weight management.

Can You Smoke with Type 2 Diabetes? Risks and Quitting Support

Weight Loss

min read

Can You Smoke with Type 2 Diabetes? Risks and Quitting Support

Can you smoke with type 2 diabetes? Discover how smoking worsens blood sugar control, increases complication risks, and why quitting delivers immediate health benefits. Learn about NHS support available to help you stop smoking safely with diabetes.

Does Ozempic Cause Anxiety? Evidence and Guidance

GLP-1 Brands

min read

Does Ozempic Cause Anxiety? Evidence and Guidance

Does Ozempic cause anxiety? Explore the clinical evidence, potential mechanisms, and expert guidance on managing anxiety-like symptoms whilst taking semaglutide for type 2 diabetes in the UK.

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

What Is Metabolism: How It Works and Affects Your Health

Does Testosterone Treatment Help with Gynaecomastia? UK Evidence Review

Is Oregano Good for Fatty Liver? Evidence and Safety

Low Testosterone and Man Boobs: Causes, Diagnosis, and NHS Treatment

Is Salmon High in Mercury? UK Safety Guidelines

Can HCG Cause Gynaecomastia? Risks, Signs and UK Treatment Options

Spicy Food After Gastric Sleeve: What You Need to Know

Allergy Medication While Breastfeeding: Safe Options and What to Avoid

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

Can Perms Cause Hair Loss? Types, Risks, and When to Seek Help

How to Calculate HbA1c Levels: NHS Ranges and Diabetes Management

How Common Is Pancreatitis with Ozempic? UK Risk Guide

Saxenda & Iron Deficiency: Symptoms and Management

Can You Smoke with Type 2 Diabetes? Risks and Quitting Support

Does Ozempic Cause Anxiety? Evidence and Guidance

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