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.

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.

Magnesium and Blood Pressure: Evidence, Intake and Safety

Supplements

min read

Magnesium and Blood Pressure: Evidence, Intake and Safety

Discover how magnesium and blood pressure are connected. Learn about the evidence for magnesium supplementation, recommended intake, food sources, and safety considerations for managing hypertension in line with UK clinical guidance.

Is Rice Good for a Calorie Deficit? UK Dietary Guide

Weight Loss

min read

Is Rice Good for a Calorie Deficit? UK Dietary Guide

Is rice good for a calorie deficit? Discover how rice fits into a weight loss diet, white vs brown rice compared, NHS-aligned portion guidance, and the best foods to pair with rice.

Mounjaro

min read

Mounjaro vs Exendin-4: Key Differences Explained

Mounjaro's dual GIP/GLP-1 mechanism sets it apart from exenatide. Explore UK prescribing guidance and efficacy data for tirzepatide.

Does Saxenda Hurt? What to Expect from Injections

GLP-1 Brands

min read

Does Saxenda Hurt? What to Expect from Injections

Do Saxenda injections hurt? Discover expert tips on injection sites, pen needles and technique to reduce discomfort for UK patients.

Digestive Enzymes and Ozempic: Safety, Interactions and Management

GLP-1 Brands

min read

Digestive Enzymes and Ozempic: Safety, Interactions and Management

Can you take digestive enzymes with Ozempic? Discover how semaglutide affects digestion, whether enzyme supplements help gastrointestinal side effects, and when to seek medical advice for digestive concerns during GLP-1 treatment.

Erectile Dysfunction

min read

Is Pomegranate Good for Erectile Dysfunction? Evidence Review

Is pomegranate good for erectile dysfunction? Discover what the scientific evidence reveals about pomegranate's potential benefits for ED, how it may work, safety considerations, and when to seek medical advice for erectile difficulties.

Erectile Dysfunction

min read

Does Cocaine Give You Erectile Dysfunction? Effects and Recovery

Does cocaine give you erectile dysfunction? Discover how cocaine impairs erectile function through vascular, neurological, and psychological mechanisms, evidence on recovery after stopping use, and how to access NHS support for cocaine-related sexual health concerns.

Weight Gain After Gastric Band: Causes, Treatment and NHS Options

Weight Loss

min read

Weight Gain After Gastric Band: Causes, Treatment and NHS Options

Weight gain after gastric band surgery? Learn the causes, when to seek help, and what NHS treatment options are available — including band adjustment, revision surgery, and lifestyle support.

Victoza Weight Loss: What the Evidence Shows

GLP-1 Brands

min read

Victoza Weight Loss: What the Evidence Shows

Most patients lose weight on Victoza, not gain it. Explore UK clinical evidence on liraglutide, how it works, and tips if you're not seeing results.

Erectile Dysfunction

min read

Does Fentanyl Cause Erectile Dysfunction? Effects and Management

Does fentanyl cause erectile dysfunction? Discover how this potent opioid affects sexual function through hormonal disruption, what other factors contribute to ED, and practical strategies to manage sexual side effects whilst maintaining effective pain control.

Hair Loss

min read

Boar Brush Hair Loss: Causes, Safe Techniques, and When to Seek Help

Boar brush hair loss explained: find out whether boar bristle brushes cause shedding or breakage, how to brush safely, and when to see a GP about hair loss.

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Weight Loss

min read

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Blood glucose readings for non-diabetics explained: discover normal UK ranges, how tests work, what affects your results, and when to see your GP. Evidence-based NHS guidance.

Does Fatty Liver Make You Pee More? The Metabolic Connection

Weight Loss

min read

Does Fatty Liver Make You Pee More? The Metabolic Connection

Does fatty liver make you pee more? Discover the real connection between NAFLD and frequent urination, including the metabolic conditions that link them and when to seek medical advice for both symptoms.

Whey Protein Powder and Pregnancy: UK Safety Guidance

Supplements

min read

Whey Protein Powder and Pregnancy: UK Safety Guidance

Is whey protein powder safe during pregnancy? Discover UK guidance on protein requirements, supplement safety, what to look for when choosing products, and whole food alternatives to support a healthy pregnancy.

Hair Loss

min read

Hair Loss and Tea Tree Oil: Evidence, Safe Use, and UK Treatments

Hair loss and tea tree oil: discover what the evidence says, how to use it safely on your scalp, potential risks, and NHS-recommended treatments available 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

Magnesium and Blood Pressure: Evidence, Intake and Safety

Is Rice Good for a Calorie Deficit? UK Dietary Guide

Mounjaro vs Exendin-4: Key Differences Explained

Does Saxenda Hurt? What to Expect from Injections

Digestive Enzymes and Ozempic: Safety, Interactions and Management

Is Pomegranate Good for Erectile Dysfunction? Evidence Review

Does Cocaine Give You Erectile Dysfunction? Effects and Recovery

Weight Gain After Gastric Band: Causes, Treatment and NHS Options

Victoza Weight Loss: What the Evidence Shows

Does Fentanyl Cause Erectile Dysfunction? Effects and Management

Boar Brush Hair Loss: Causes, Safe Techniques, and When to Seek Help

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Does Fatty Liver Make You Pee More? The Metabolic Connection

Whey Protein Powder and Pregnancy: UK Safety Guidance

Hair Loss and Tea Tree Oil: Evidence, Safe Use, and UK Treatments

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