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.

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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.

Erectile Dysfunction

min read

Does Furosemide Cause Erectile Dysfunction? Evidence and Management

Does furosemide cause erectile dysfunction? Discover the evidence, mechanisms, and NHS-approved management strategies for sexual side effects whilst taking this essential heart and kidney medication.

Vitamin B12 in Prenatal Vitamins: Essential Pregnancy Guide

Supplements

min read

Vitamin B12 in Prenatal Vitamins: Essential Pregnancy Guide

Discover why vitamin B12 in prenatal vitamins is essential for pregnancy. Learn about recommended doses, deficiency signs, food sources, and supplementation guidance for expectant mothers in the UK.

How Does GLP-1 Affect the Brain? Appetite, Neuroprotection & Cognition

Weight Loss

min read

How Does GLP-1 Affect the Brain? Appetite, Neuroprotection & Cognition

Discover how GLP-1 affects the brain, from appetite regulation and satiety signalling to emerging research on neuroprotection and cognitive function. Learn about GLP-1 receptor agonists, their licensed uses in the UK, and what current evidence reveals about potential brain health benefits.

Can I Stop Saxenda for a Week? UK Medical Guidance

GLP-1 Brands

min read

Can I Stop Saxenda for a Week? UK Medical Guidance

Can you stop Saxenda for a week? Discover what happens when you pause Saxenda treatment, how to safely restart, and when to contact your healthcare provider. Expert UK guidance on managing treatment interruptions.

Are Brazil Nuts Good for Fatty Liver? Evidence and Safe Intake

Weight Loss

min read

Are Brazil Nuts Good for Fatty Liver? Evidence and Safe Intake

Are Brazil nuts good for fatty liver? Discover the evidence behind selenium-rich Brazil nuts for liver health, safe intake levels, and how they fit into evidence-based dietary strategies for managing fatty liver disease in the UK.

Mounjaro

min read

Are Grapes Good on Mounjaro? UK Dietary Guidance

Are grapes good on Mounjaro? Discover how to safely include grapes in your diet whilst taking tirzepatide for diabetes or weight management, with practical portion guidance and blood glucose considerations.

Hair Loss

min read

Does Chlorine Cause Hair Loss? Effects, Risks, and Protection

Does chlorine cause hair loss? Learn how chlorine damages hair structure, what distinguishes breakage from true hair loss, protective strategies for swimmers, and when to see your GP.

Wegovy

min read

Wegovy and Keto: Safety, Risks and NHS Guidance

Wegovy and keto: can you safely combine semaglutide medication with a ketogenic diet? Discover the evidence, potential risks, NHS guidance, and what to discuss with your GP before starting this weight management approach.

Wegovy

min read

Does Wegovy Cause Migraines? Headaches, Symptoms & Management

Does Wegovy cause migraines? Discover the link between Wegovy (semaglutide) and headaches, how to recognise true migraine symptoms, practical management strategies, and when to seek urgent medical advice whilst taking this weight management medication.

Bupropion and Saxenda Together: Safety Guide

GLP-1 Brands

min read

Bupropion and Saxenda Together: Safety Guide

Considering bupropion and Saxenda together? Learn about potential interactions, safety considerations, and when specialist supervision is needed in the UK.

How to Open Rybelsus: Step-by-Step Guide and Tips

GLP-1 Brands

min read

How to Open Rybelsus: Step-by-Step Guide and Tips

Learn how to open Rybelsus blister packs correctly with our step-by-step guide. Discover proper handling techniques, common mistakes to avoid, and essential administration tips for this oral diabetes medication to ensure optimal treatment outcomes.

Hair Loss

min read

Does Salicylic Acid Cause Hair Loss? What the Evidence Shows

Does salicylic acid cause hair loss? Learn how this common scalp ingredient works, when misuse may trigger temporary shedding, who is most at risk, and when to see a GP.

Does Heat Affect Sildenafil? Storage Guidelines and Safety

Erectile Dysfunction

min read

Does Heat Affect Sildenafil? Storage Guidelines and Safety

Does heat affect sildenafil? Discover how temperature impacts this erectile dysfunction medication, proper storage guidelines, signs of heat damage, and essential tips to protect your sildenafil from degradation.

When to Stop Taking CoQ10 for Fertility: Expert Guidance

Supplements

min read

When to Stop Taking CoQ10 for Fertility: Expert Guidance

Discover when to stop taking CoQ10 for fertility treatment, including guidance on discontinuation during IVF, pregnancy confirmation, and potential side effects. Expert advice on safe supplementation timing.

Live and Active Probiotic Cultures: Benefits, Sources and Safety

Supplements

min read

Live and Active Probiotic Cultures: Benefits, Sources and Safety

Discover what live and active probiotic cultures are, their evidence-based health benefits, which foods and supplements contain them, and how to choose effective products safely. Expert UK guidance on probiotics for digestive health.

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 Furosemide Cause Erectile Dysfunction? Evidence and Management

Vitamin B12 in Prenatal Vitamins: Essential Pregnancy Guide

How Does GLP-1 Affect the Brain? Appetite, Neuroprotection & Cognition

Can I Stop Saxenda for a Week? UK Medical Guidance

Are Brazil Nuts Good for Fatty Liver? Evidence and Safe Intake

Are Grapes Good on Mounjaro? UK Dietary Guidance

Does Chlorine Cause Hair Loss? Effects, Risks, and Protection

Wegovy and Keto: Safety, Risks and NHS Guidance

Does Wegovy Cause Migraines? Headaches, Symptoms & Management

Bupropion and Saxenda Together: Safety Guide

How to Open Rybelsus: Step-by-Step Guide and Tips

Does Salicylic Acid Cause Hair Loss? What the Evidence Shows

Does Heat Affect Sildenafil? Storage Guidelines and Safety

When to Stop Taking CoQ10 for Fertility: Expert Guidance

Live and Active Probiotic Cultures: Benefits, Sources and Safety

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