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.

Does Tadalafil Cause Blood Clots? Evidence and Safety Guidance

Erectile Dysfunction

min read

Does Tadalafil Cause Blood Clots? Evidence and Safety Guidance

Does tadalafil cause blood clots? Discover the evidence on tadalafil and thromboembolism risk, cardiovascular considerations, contraindications, and when to seek medical advice. UK guidance reviewed.

Wegovy

min read

Can I Eat Bananas on Wegovy? UK Medical Guidance

Can I eat bananas on Wegovy? Discover whether bananas are safe during semaglutide treatment, their nutritional benefits for weight loss, portion guidance, and how to incorporate them into your diet. Expert UK medical advice on food choices with Wegovy.

Oral Medication for Skin Allergy: UK Treatment and Safety Guide

Supplements

min read

Oral Medication for Skin Allergy: UK Treatment and Safety Guide

Oral medication for skin allergy explained: discover which antihistamines, corticosteroids, and immunosuppressants are used in the UK, how they work, side effects, and when to see a GP or specialist.

Gastric Sleeve Surgery: How It Works, Eligibility, Risks and Alternatives

Weight Loss

min read

Gastric Sleeve Surgery: How It Works, Eligibility, Risks and Alternatives

Gastric sleeve surgery explained: how sleeve gastrectomy works, NHS eligibility criteria, what to expect before and after the procedure, risks, and UK alternatives. Read our expert guide.

HbA1c 6% Average Blood Sugar: What It Means and Next Steps

Weight Loss

min read

HbA1c 6% Average Blood Sugar: What It Means and Next Steps

HbA1c 6% means an estimated average blood sugar of 7.0 mmol/L — and puts you in the high-risk pre-diabetes range. Find out what NICE guidelines say and when to see your GP.

Fatty Liver vs Normal Liver Ultrasound: Key Differences Explained

Weight Loss

min read

Fatty Liver vs Normal Liver Ultrasound: Key Differences Explained

Discover how fatty liver differs from normal liver on ultrasound scans. Learn the key imaging features, what your results mean, and the next steps for diagnosis and management in UK clinical practice.

Mounjaro

min read

Mounjaro and Smoking Weed: UK Clinical Guidance

Can you use Mounjaro and smoke weed safely? Discover the clinical evidence on tirzepatide and cannabis interactions, potential risks to diabetes control and weight loss, and essential UK medical guidance for patients combining these substances.

What Does B12 Do for the Body? Essential Functions Explained

Supplements

min read

What Does B12 Do for the Body? Essential Functions Explained

Discover what vitamin B12 does for the body, from supporting red blood cell production and nerve function to DNA synthesis. Learn about deficiency symptoms, dietary sources, and who needs supplementation to maintain optimal health.

Are Sardines High in Mercury? UK Evidence and Safety Guidance

Supplements

min read

Are Sardines High in Mercury? UK Evidence and Safety Guidance

Are sardines high in mercury? Discover why sardines are classified as low-mercury fish by UK authorities, how they compare to other species, and evidence-based consumption guidelines for pregnant women, children, and adults seeking safe, nutritious seafood choices.

Can You Have Fatty Liver with Normal Lipid Panel? UK Guide

Weight Loss

min read

Can You Have Fatty Liver with Normal Lipid Panel? UK Guide

Can you have fatty liver with normal lipid panel? Yes—discover why normal cholesterol doesn't rule out fatty liver disease, what tests you actually need, and how to protect your liver health even when blood lipids look fine.

Does Fatty Liver Affect Sperm Quality and Male Fertility?

Weight Loss

min read

Does Fatty Liver Affect Sperm Quality and Male Fertility?

Does fatty liver affect sperm quality and male fertility? Discover how NAFLD impacts sperm count, testosterone levels, and reproductive health, plus evidence-based strategies to improve both liver function and fertility outcomes.

Does GLP-1 Help with ADHD? Evidence and UK Treatment Options

Weight Loss

min read

Does GLP-1 Help with ADHD? Evidence and UK Treatment Options

Does GLP-1 help with ADHD? Explore the current evidence on GLP-1 receptor agonists for ADHD symptoms, their brain mechanisms, safety considerations, and UK-approved ADHD treatments recommended by NICE.

GLP-1 & Muscle Loss: Evidence and Prevention

Weight Loss

min read

GLP-1 & Muscle Loss: Evidence and Prevention

Do GLP-1 medications cause muscle loss? Explore the evidence on semaglutide and tirzepatide, plus practical ways to protect lean mass.

Does Sildenafil Decrease BP? Blood Pressure Effects Explained

Erectile Dysfunction

min read

Does Sildenafil Decrease BP? Blood Pressure Effects Explained

Does sildenafil decrease BP? Discover how sildenafil affects blood pressure, including typical reductions of 8–10 mmHg systolic, dangerous drug interactions with nitrates, contraindications, and when to seek medical advice for safe use.

Calorie Deficit Overnight Oats: Recipes, Nutrition, and Weight Management Tips

Weight Loss

min read

Calorie Deficit Overnight Oats: Recipes, Nutrition, and Weight Management Tips

Calorie deficit overnight oats: discover how to make a low-calorie, high-fibre breakfast that supports weight management. Includes recipes, ingredient swaps, and NHS-aligned guidance.

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

Does Tadalafil Cause Blood Clots? Evidence and Safety Guidance

Can I Eat Bananas on Wegovy? UK Medical Guidance

Oral Medication for Skin Allergy: UK Treatment and Safety Guide

Gastric Sleeve Surgery: How It Works, Eligibility, Risks and Alternatives

HbA1c 6% Average Blood Sugar: What It Means and Next Steps

Fatty Liver vs Normal Liver Ultrasound: Key Differences Explained

Mounjaro and Smoking Weed: UK Clinical Guidance

What Does B12 Do for the Body? Essential Functions Explained

Are Sardines High in Mercury? UK Evidence and Safety Guidance

Can You Have Fatty Liver with Normal Lipid Panel? UK Guide

Does Fatty Liver Affect Sperm Quality and Male Fertility?

Does GLP-1 Help with ADHD? Evidence and UK Treatment Options

GLP-1 & Muscle Loss: Evidence and Prevention

Does Sildenafil Decrease BP? Blood Pressure Effects Explained

Calorie Deficit Overnight Oats: Recipes, Nutrition, and Weight Management Tips

Personalized weight management for women