Bolt Guides

Expert insights on weight loss and more.

Featured

Does B12 Make Joints Ache? Evidence and Guidance

Supplements

min read

Does B12 Make Joints Ache? Evidence and Guidance

Does B12 make joints ache? Discover the evidence on vitamin B12 and joint pain, why some people report discomfort, and when to seek medical advice. Expert UK guidance on managing symptoms whilst taking B12 supplements.

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Weight loss

Read all on weight loss

50 mmol/mol HbA1c: Diagnosis, Targets, and Next Steps

Weight Loss

min read

50 mmol/mol HbA1c: Diagnosis, Targets, and Next Steps

50 mmol/mol HbA1c explained: what this result means, UK diagnostic criteria, NICE targets, lifestyle changes, medication options, and when to see your GP.

Why Is My HbA1c Going Up? Causes, Medicines, and Next Steps

Weight Loss

min read

Why Is My HbA1c Going Up? Causes, Medicines, and Next Steps

Why is my HbA1c going up? Discover the common causes of a rising HbA1c — from diet and lifestyle to medicines and medical conditions — plus NHS-aligned advice on when to see your GP and how to lower it safely.

Normal HbA1c Levels for Diabetes: UK Thresholds and Targets Explained

Weight Loss

min read

Normal HbA1c Levels for Diabetes: UK Thresholds and Targets Explained

Normal HbA1c levels for diabetes explained: UK thresholds, NICE targets, what affects your result, and how to work with your GP to manage blood glucose effectively.

Read all on weight loss

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

Ozempic and Hiatal Hernia: Management and Safety Guidance

Ozempic and hiatal hernia: understand how this diabetes medication may affect digestive symptoms, practical management tips for patients with hiatal hernia, and when to seek medical advice for safe, effective treatment.

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Ozempic and Hiatal Hernia: Management and Safety Guidance

Food Poisoning While on Ozempic: Symptoms, Management and When to Seek Help

GLP-1 Brands

min read

Food Poisoning While on Ozempic: Symptoms, Management and When to Seek Help

Concerned about food poisoning while on Ozempic? Learn how to distinguish medication side effects from genuine foodborne illness, manage symptoms safely, recognise warning signs requiring urgent medical attention, and prevent complications. Expert UK guidance for diabetes patients.

Restarting Ozempic After Surgery: When & How to Resume

GLP-1 Brands

min read

Restarting Ozempic After Surgery: When & How to Resume

Learn when to safely restart Ozempic after surgery, how to resume treatment after 1-4 weeks off, and what to expect when restarting GLP-1 therapy.

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

GLP-1 Brands

min read

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

Does Ozempic cause numbness and tingling? Discover the indirect mechanisms that may explain paraesthesia during treatment, when to seek medical advice, and how to manage symptoms effectively with UK clinical guidance.

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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

Do Extenders Help with Erectile Dysfunction? Evidence and Safety

Do extenders help with erectile dysfunction? Discover what the clinical evidence reveals about penis extenders for ED, how they compare to proven treatments like PDE5 inhibitors, and the safety considerations you need to know before trying mechanical traction devices.

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Testosterone

min read

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Can testosterone treatment cause heart palpitations? Discover the cardiovascular effects of TRT, risk factors, warning signs, and when to seek medical advice. Expert guidance on safe monitoring and management during testosterone therapy.

Testosterone

min read

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

Does testosterone treatment cause muscle pain? Discover the evidence on muscle discomfort during TRT, including causes, when to seek help, and how to manage symptoms safely. Expert UK guidance for patients and clinicians.

Testosterone

min read

Will Hair Grow Back After Testosterone Treatment? Evidence and Options

Will hair grow back after testosterone treatment? Discover how testosterone affects hair growth, whether regrowth is possible after stopping therapy, and evidence-based treatment options for testosterone-related hair loss.

HbA1c for Controlled Diabetes: NICE Targets and UK Guidance

Weight Loss

min read

HbA1c for Controlled Diabetes: NICE Targets and UK Guidance

HbA1c for controlled diabetes explained: NICE targets, testing frequency, factors affecting accuracy, and what to do if your result is outside range. UK-focused, NHS-aligned 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.

Wegovy

min read

How to Combat Nausea from Wegovy: Practical Strategies

Discover practical, evidence-based strategies to combat nausea from Wegovy. Learn dietary changes, hydration tips, injection techniques, and when to seek medical advice for this common side effect.

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.

How to Dispose of Saxenda Pens Safely in the UK

GLP-1 Brands

min read

How to Dispose of Saxenda Pens Safely in the UK

How to dispose of Saxenda pens correctly in the UK: step-by-step guidance on sharps containers, NHS disposal services, pharmacy returns, and what to avoid. Protect your family and the environment with proper liraglutide pen disposal.

Red Light Therapy for Gynaecomastia: Evidence, Safety, and NHS Guidance

Weight Loss

min read

Red Light Therapy for Gynaecomastia: Evidence, Safety, and NHS Guidance

Red light therapy for gynaecomastia: does the evidence support it? Explore how it works, what NICE and NHS guidance recommends, safety considerations, and when to see a GP.

Enoxaparin Treatment Dose in Obese Patients: UK Guidance

Weight Loss

min read

Enoxaparin Treatment Dose in Obese Patients: UK Guidance

Enoxaparin treatment dose in obese patients: evidence-based guidance on weight-based dosing, anti-Xa monitoring, safety considerations, and NHS protocols for therapeutic anticoagulation in obesity.

Does Semaglutide Make You Thirsty? Causes & Tips

GLP-1 Brands

min read

Does Semaglutide Make You Thirsty? Causes & Tips

Thirst on Rybelsus or Wegovy? Learn why semaglutide may cause increased thirst, what the UK SmPC says, and how to manage symptoms safely.

Mounjaro

min read

Mounjaro and Strength Training: Preserving Muscle During Weight Loss

Discover how to safely combine Mounjaro and strength training to preserve muscle mass during weight loss. Expert UK guidance on resistance exercise, protein intake, managing side effects, and optimising body composition whilst taking tirzepatide.

Can You Measure HbA1c at Home? UK Testing Guide

Weight Loss

min read

Can You Measure HbA1c at Home? UK Testing Guide

Can you measure HbA1c at home? Discover how UK home testing kits work, how accurate they are, who should use them, and when to see your GP about your results.

Testosterone

min read

Does Testogel Make You Infertile? UK Guide to Testosterone and Fertility

Does Testogel make you infertile? Discover how testosterone gel affects sperm production, whether fertility recovers after stopping treatment, and what alternatives exist if you're planning a family. Expert UK guidance on Testogel and male fertility.

Can I Take Antacids After Gastric Sleeve? UK Safety Guide

Weight Loss

min read

Can I Take Antacids After Gastric Sleeve? UK Safety Guide

Can you take antacids after gastric sleeve surgery? Find out which antacids are safe post-sleeve, how bariatric surgery affects medication absorption, and when to seek NHS medical advice.

Can Glucosamine Cause Joint Pain? UK Evidence and Guidance

Supplements

min read

Can Glucosamine Cause Joint Pain? UK Evidence and Guidance

Can glucosamine cause joint pain? Discover the evidence on glucosamine side effects, when to stop taking it, and UK-recommended alternatives for managing osteoarthritis and joint health.

Erectile Dysfunction

min read

Does Ibuprofen Cause Erectile Dysfunction? UK Medical Evidence

Does ibuprofen cause erectile dysfunction? Discover what the medical evidence says about ibuprofen and ED, which medications can affect sexual function, and when to consult your GP about erectile difficulties.

Best Calorie Deficit to Lose Fat and Gain Muscle: UK Guide

Weight Loss

min read

Best Calorie Deficit to Lose Fat and Gain Muscle: UK Guide

Discover the best calorie deficit to lose fat and gain muscle through evidence-based body recomposition strategies. Learn optimal deficit ranges, protein requirements, resistance training approaches, and monitoring methods aligned with UK NHS guidance for safe, sustainable results.

Bolt Guides

Featured

Does B12 Make Joints Ache? Evidence and Guidance

Weight loss

50 mmol/mol HbA1c: Diagnosis, Targets, and Next Steps

Why Is My HbA1c Going Up? Causes, Medicines, and Next Steps

Normal HbA1c Levels for Diabetes: UK Thresholds and Targets Explained

GLP-1 Brands

Wegovy

Mounjaro

Ozempic and Hiatal Hernia: Management and Safety Guidance

Food Poisoning While on Ozempic: Symptoms, Management and When to Seek Help

Restarting Ozempic After Surgery: When & How to Resume

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

Men’s Health

Testosterone

Erectile dysfunction

Do Extenders Help with Erectile Dysfunction? Evidence and Safety

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

Will Hair Grow Back After Testosterone Treatment? Evidence and Options

Browse all

HbA1c for Controlled Diabetes: NICE Targets and UK Guidance

How to Treat Rash From Testosterone Treatment: Expert Guide

How to Combat Nausea from Wegovy: Practical Strategies

When Can I Have Chips After Gastric Sleeve Surgery?

How to Dispose of Saxenda Pens Safely in the UK

Red Light Therapy for Gynaecomastia: Evidence, Safety, and NHS Guidance

Enoxaparin Treatment Dose in Obese Patients: UK Guidance

Does Semaglutide Make You Thirsty? Causes & Tips

Mounjaro and Strength Training: Preserving Muscle During Weight Loss

Can You Measure HbA1c at Home? UK Testing Guide

Does Testogel Make You Infertile? UK Guide to Testosterone and Fertility

Can I Take Antacids After Gastric Sleeve? UK Safety Guide

Can Glucosamine Cause Joint Pain? UK Evidence and Guidance

Does Ibuprofen Cause Erectile Dysfunction? UK Medical Evidence

Best Calorie Deficit to Lose Fat and Gain Muscle: UK Guide

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