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.

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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.

Gastric Band Bad Breath: Causes, Management, and When to Seek Help

Weight Loss

min read

Gastric Band Bad Breath: Causes, Management, and When to Seek Help

Gastric band bad breath explained: discover the causes, from food stagnation and ketosis to acid reflux, plus practical tips and when to seek NHS medical advice.

Hair Loss

min read

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

MONAT and hair loss explained: can MONAT products cause shedding? Explore the evidence, UK regulations, common hair loss causes, and NHS-recommended treatments.

When to Start Testogel: Clinical Indications and Guidelines

Testosterone

min read

When to Start Testogel: Clinical Indications and Guidelines

Discover when to start Testogel for testosterone replacement therapy. Expert guidance on clinical indications, essential blood tests, dosing protocols, contraindications, and monitoring requirements for safe TRT initiation in the UK.

Successful Pregnancy with Type 2 Diabetes: UK Planning Guide

Weight Loss

min read

Successful Pregnancy with Type 2 Diabetes: UK Planning Guide

Discover how to achieve a successful pregnancy with type 2 diabetes through expert preconception planning, blood glucose management, safe medication changes, and specialist antenatal care. Evidence-based UK guidance for healthy outcomes.

Testosterone

min read

How Long Till Sperm Replenish After Testosterone Treatment

Discover how long it takes for sperm to replenish after stopping testosterone treatment. Learn about recovery timelines, factors affecting sperm production, fertility testing, and medical options to restore spermatogenesis for men planning to conceive.

Hair Loss

min read

Saw Palmetto for Hair Loss: Evidence, Safety, and UK Treatment Options

Saw palmetto for hair loss: does it really work? Explore the clinical evidence, safe dosing, side effects, and how it compares to NHS-approved treatments like finasteride and minoxidil.

Ozempic Legs: Causes, Prevention and What to Expect

GLP-1 Brands

min read

Ozempic Legs: Causes, Prevention and What to Expect

Ozempic legs explained: what causes changes to leg appearance during semaglutide treatment, how to tell them apart from side effects, and evidence-based tips to protect muscle and skin. UK-focused guidance.

Ozempic and Hair Loss: Evidence, Causes and Management

GLP-1 Brands

min read

Ozempic and Hair Loss: Evidence, Causes and Management

Ozempic and hair loss: discover the evidence linking semaglutide to hair thinning, why it may occur during treatment, and practical strategies to manage and prevent hair loss whilst maintaining effective type 2 diabetes control in the UK.

Erectile Dysfunction

min read

Type 2 Diabetes and Erectile Dysfunction: Causes and Treatment

Discover how type 2 diabetes causes erectile dysfunction, why it happens, and what treatments work. Learn how better blood sugar control and medical options can restore sexual function and protect your heart health.

Hair Loss

min read

Linzess Side Effects and Hair Loss: UK Guide to Linaclotide

Linzess side effects including hair loss explained: find out what the UK evidence says about linaclotide (Constella), its recognised side effects, and when to speak to your GP.

Hair Loss

min read

Who Do You See for Hair Loss? GP, Dermatologist or Trichologist

Who do you see for hair loss in the UK? Learn whether to start with your GP, a dermatologist, or a trichologist, plus what to expect from diagnosis and treatment on the NHS or privately.

GLP-1 Injection Timing: Morning or Night Administration Guide

Weight Loss

min read

GLP-1 Injection Timing: Morning or Night Administration Guide

Should you take GLP-1 injections in the morning or at night? Discover the optimal timing for semaglutide, dulaglutide, and liraglutide based on UK clinical guidance, side effect management, and your daily routine.

Erectile Dysfunction

min read

How Long Does Sildenafil Take to Work?

Sildenafil typically works within 30–60 minutes. Learn what affects onset, how to time your dose, and how to get the best results from your treatment.

Does Watermelon Have Vitamin K? Content and Clinical Guidance

Supplements

min read

Does Watermelon Have Vitamin K? Content and Clinical Guidance

Does watermelon have vitamin K? Discover the vitamin K content in watermelon, how it compares to other fruits, and what this means for patients on warfarin and those monitoring vitamin K intake for health reasons.

Mounjaro

min read

Mounjaro and Sun Exposure: Safety Guidance for Patients

Mounjaro and sun exposure: discover essential sun safety guidance for patients taking tirzepatide, including protection strategies, managing side effects in warm weather, and when to seek medical advice for type 2 diabetes treatment.

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

Gastric Band Bad Breath: Causes, Management, and When to Seek Help

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

When to Start Testogel: Clinical Indications and Guidelines

Successful Pregnancy with Type 2 Diabetes: UK Planning Guide

How Long Till Sperm Replenish After Testosterone Treatment

Saw Palmetto for Hair Loss: Evidence, Safety, and UK Treatment Options

Ozempic Legs: Causes, Prevention and What to Expect

Ozempic and Hair Loss: Evidence, Causes and Management

Type 2 Diabetes and Erectile Dysfunction: Causes and Treatment

Linzess Side Effects and Hair Loss: UK Guide to Linaclotide

Who Do You See for Hair Loss? GP, Dermatologist or Trichologist

GLP-1 Injection Timing: Morning or Night Administration Guide

How Long Does Sildenafil Take to Work?

Does Watermelon Have Vitamin K? Content and Clinical Guidance

Mounjaro and Sun Exposure: Safety Guidance for Patients

Personalized weight management for women