Bolt Guides

Expert insights on weight loss and more.

Featured

Hair Loss

min read

A Hair Loss Treatment Guide: UK Options, Safety, and NHS Advice

A hair loss treatment that works starts with the right diagnosis. Explore UK-licensed options including minoxidil, finasteride, and baricitinib — with NHS guidance, safety advice, and when to see your GP.

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Weight loss

Read all on weight loss

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Weight Loss

min read

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Safe HbA1c levels for surgery explained: UK thresholds, NICE and CPOC guidance, how to lower HbA1c before an operation, and perioperative blood glucose management for people with diabetes.

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Weight Loss

min read

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Discover a liver-friendly chilli recipe for fatty liver disease management. Learn evidence-based ingredient modifications, nutritional principles, and when to seek medical advice for NAFLD in the UK.

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

Weight Loss

min read

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

Are spicy foods good for fatty liver? Discover what the evidence says about capsaicin, chilli peppers, and liver health. Learn safe ways to include spicy foods in a liver-friendly diet and when to seek medical advice for fatty liver disease.

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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.

Read Mounjaro guides

GLP-1 Brands

min read

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Discover the different strengths of Trulicity (0.75 mg to 4.5 mg) for type 2 diabetes management. Learn how doctors choose the right dose, when adjustments occur, and how efficacy and side effects compare across strengths in UK practice.

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Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Saxenda and Bloating: Causes, Frequency & Relief

GLP-1 Brands

min read

Saxenda and Bloating: Causes, Frequency & Relief

Saxenda commonly causes bloating due to slowed gastric emptying. Learn how often it occurs, why it happens, and how to manage it with NHS-aligned advice.

Can Rybelsus Cause Depression? Evidence and Guidance

GLP-1 Brands

min read

Can Rybelsus Cause Depression? Evidence and Guidance

Can Rybelsus cause depression? Explore the evidence linking semaglutide to mood changes, recognise warning signs, and learn what to do if you experience low mood whilst taking this type 2 diabetes medication.

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

GLP-1 Brands

min read

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

Can Trulicity be put back in the fridge? Discover UK storage guidelines for dulaglutide, including refrigeration rules, temperature limits, and when to discard your pen safely.

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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

Erectile Dysfunction

min read

Does Sublocade Cause Erectile Dysfunction? UK Medical Guide

Does Sublocade cause erectile dysfunction? Discover how prolonged-release buprenorphine may affect sexual function, the underlying mechanisms, practical management strategies, and when to speak to your doctor about erectile dysfunction during opioid dependence treatment.

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Testosterone

min read

Can Testosterone Treatment Increase Penis Size? Evidence and Guidance

Can testosterone treatment increase penis size in adults? Discover the evidence on testosterone's role in penile development, when treatment is appropriate, and what really works for size concerns. Expert UK medical guidance.

Testosterone

min read

How to Treat Rash From Testosterone Treatment: Expert Guide

Discover how to treat rash from testosterone treatment with expert guidance on identifying skin reactions, immediate management steps, medical treatments, and prevention strategies to continue TRT safely and comfortably.

What Will 3 Days Without Testogel Do to Me?

Testosterone

min read

What Will 3 Days Without Testogel Do to Me?

What will 3 days without Testogel do to me? Discover how missing doses affects testosterone levels, what symptoms to expect within 72 hours, when to contact your GP, and how to safely resume treatment for hypogonadism.

Is Saxenda Safe for Pregnancy? UK Guidance Explained

GLP-1 Brands

min read

Is Saxenda Safe for Pregnancy? UK Guidance Explained

Is Saxenda safe for pregnancy? Discover why this weight management medication is not recommended during pregnancy, what to do if you conceive whilst taking it, and essential pre-conception planning advice for women using liraglutide.

Erectile Dysfunction

min read

Does Testicular Cancer Cause Erectile Dysfunction? UK Medical Guide

Does testicular cancer cause erectile dysfunction? Discover how testicular cancer and its treatments affect sexual function, plus expert guidance on managing erectile difficulties and when to seek help.

Best Dark Chocolate for Fatty Liver: Evidence and Guidance

Weight Loss

min read

Best Dark Chocolate for Fatty Liver: Evidence and Guidance

Discover whether dark chocolate can help fatty liver disease, which types to choose, and evidence-based dietary strategies for NAFLD/MASLD management in the UK.

Weight Loss

min read

Magnesium Pills Benefits for Weight Loss: What the Evidence Shows

Magnesium pills and weight loss — does the evidence stack up? Explore the metabolic benefits of magnesium, who should consider supplementation, safe UK doses, drug interactions, and NHS guidance on healthy weight management.

Wegovy

min read

What to Avoid on Wegovy: UK Medical Guidance

Discover what to avoid on Wegovy to maximise weight loss results and reduce side effects. Expert UK guidance on foods, medications, lifestyle factors, and when to seek medical advice whilst taking semaglutide.

Can a Thin Person Get Type 2 Diabetes? UK Guide

Weight Loss

min read

Can a Thin Person Get Type 2 Diabetes? UK Guide

Can a thin person get type 2 diabetes? Yes—discover why weight isn't the only risk factor, how to recognise symptoms in lean individuals, and what UK guidance says about prevention and diagnosis for people at healthy weight.

Erectile Dysfunction

min read

How to Use Lavender Oil for Erectile Dysfunction Safely

Discover how to use lavender oil for erectile dysfunction safely, understand the evidence and limitations, and learn why proper medical assessment remains essential for managing ED effectively.

Hair Loss

min read

Top Shampoos for Hair Loss: Ingredients, Evidence and UK Guidance

Top shampoos for hair loss reviewed: discover which active ingredients have the best evidence, which UK products are available, and when to see your GP about hair thinning.

Can Fatty Liver Cause Vitamin B12 Deficiency? UK Guide

Weight Loss

min read

Can Fatty Liver Cause Vitamin B12 Deficiency? UK Guide

Can fatty liver cause vitamin B12 deficiency? Discover the complex relationship between hepatic steatosis and B12 status, including risk factors, symptoms to watch for, testing recommendations, and evidence-based treatment options for UK patients.

When Can I Have Chips After Gastric Sleeve Surgery?

Weight Loss

min read

When Can I Have Chips After Gastric Sleeve Surgery?

When can I have chips after gastric sleeve surgery? Learn the NHS-aligned dietary stages, why chips are discouraged in the first year, and what bariatric dietitians recommend for long-term eating.

What Is Fish Oil Good For? Evidence-Based Benefits and Uses

Supplements

min read

What Is Fish Oil Good For? Evidence-Based Benefits and Uses

Discover what fish oil is good for, including evidence-based benefits for triglycerides, rheumatoid arthritis, and pregnancy. Learn about omega-3 fatty acids EPA and DHA, safe dosing, potential side effects, and when to seek medical advice under UK clinical guidance.

Best Food Sources of Omega-3: UK Guide to Fish and Plant Options

Supplements

min read

Best Food Sources of Omega-3: UK Guide to Fish and Plant Options

Discover the best food sources of omega-3 fatty acids, from oily fish like salmon and mackerel to plant-based options including flaxseeds and walnuts. Learn how much you need daily and practical tips for meeting UK dietary recommendations to support heart and brain health.

Allergy Chest Congestion Medication: NHS & NICE Treatment Guide

Supplements

min read

Allergy Chest Congestion Medication: NHS & NICE Treatment Guide

Allergy chest congestion medication explained: discover which antihistamines, nasal corticosteroids, and decongestants are recommended by NHS and NICE, plus safety advice and when to see a GP.

Mounjaro

min read

Can Mounjaro Make You Cold? Temperature Changes Explained

Can Mounjaro make you cold? Discover why some patients experience cold sensitivity on tirzepatide, how common it is, practical management strategies, and when to seek medical advice about temperature changes during treatment.

Mounjaro

min read

Can Mounjaro Cause Dizziness? Causes & How to Stop It

Experiencing dizziness on Mounjaro? Learn why tirzepatide causes lightheadedness, how to manage it safely, and when to seek medical help.

Bolt Guides

Featured

A Hair Loss Treatment Guide: UK Options, Safety, and NHS Advice

Weight loss

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

GLP-1 Brands

Wegovy

Mounjaro

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Saxenda and Bloating: Causes, Frequency & Relief

Can Rybelsus Cause Depression? Evidence and Guidance

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Sublocade Cause Erectile Dysfunction? UK Medical Guide

Can Testosterone Treatment Increase Penis Size? Evidence and Guidance

How to Treat Rash From Testosterone Treatment: Expert Guide

What Will 3 Days Without Testogel Do to Me?

Browse all

Is Saxenda Safe for Pregnancy? UK Guidance Explained

Does Testicular Cancer Cause Erectile Dysfunction? UK Medical Guide

Best Dark Chocolate for Fatty Liver: Evidence and Guidance

Magnesium Pills Benefits for Weight Loss: What the Evidence Shows

What to Avoid on Wegovy: UK Medical Guidance

Can a Thin Person Get Type 2 Diabetes? UK Guide

How to Use Lavender Oil for Erectile Dysfunction Safely

Top Shampoos for Hair Loss: Ingredients, Evidence and UK Guidance

Can Fatty Liver Cause Vitamin B12 Deficiency? UK Guide

When Can I Have Chips After Gastric Sleeve Surgery?

What Is Fish Oil Good For? Evidence-Based Benefits and Uses

Best Food Sources of Omega-3: UK Guide to Fish and Plant Options

Allergy Chest Congestion Medication: NHS & NICE Treatment Guide

Can Mounjaro Make You Cold? Temperature Changes Explained

Can Mounjaro Cause Dizziness? Causes & How to Stop It

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