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.

Read all on GLP-1 brands

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.

Impact of Obesity Treatment on Gastro-oesophageal Reflux Disease

Weight Loss

min read

Impact of Obesity Treatment on Gastro-oesophageal Reflux Disease

Discover how the impact of obesity treatment on gastro-oesophageal reflux disease can transform symptom control. Evidence-based guidance on weight loss, bariatric surgery, medications, and lifestyle changes for GORD management in the UK.

Ayurvedic Medicine to Reduce HbA1c: Evidence, Safety, and NHS Alternatives

Weight Loss

min read

Ayurvedic Medicine to Reduce HbA1c: Evidence, Safety, and NHS Alternatives

Ayurvedic medicine to reduce HbA1c — explore the evidence on herbs like bitter melon and fenugreek, MHRA safety guidance, drug interactions, and proven NHS strategies for lowering HbA1c safely.

Normal HbA1c for Women: NHS Ranges, Results & When to Act

Weight Loss

min read

Normal HbA1c for Women: NHS Ranges, Results & When to Act

Normal HbA1c for women in the UK explained — discover NHS diagnostic thresholds, how pregnancy and anaemia affect results, and when to speak to your GP.

Bruise After Injection in Stomach: Causes & Prevention

GLP-1 Brands

min read

Bruise After Injection in Stomach: Causes & Prevention

Why Ozempic and GLP-1 injections cause bruising at the injection site, how to prevent it with proper technique, and when to seek medical advice.

Nausea and Fatty Liver Disease: Symptoms, Causes and Treatment

Weight Loss

min read

Nausea and Fatty Liver Disease: Symptoms, Causes and Treatment

Discover the connection between nausea and fatty liver disease, including when to seek medical help, management strategies, and treatment options. Expert UK guidance on symptoms and care.

Resveratrol and Breast Cancer: Evidence, Safety and Guidance

Supplements

min read

Resveratrol and Breast Cancer: Evidence, Safety and Guidance

Resveratrol and breast cancer: explore the current evidence on this plant compound's potential role in breast cancer, including safety concerns, drug interactions, and evidence-based guidance for patients. Learn what the research really shows.

Does Tadalafil Increase Nitric Oxide? UK Clinical Guide

Erectile Dysfunction

min read

Does Tadalafil Increase Nitric Oxide? UK Clinical Guide

Does tadalafil increase nitric oxide? Discover how tadalafil works by enhancing—not increasing—nitric oxide effects, why it must never be combined with nitrates, and essential UK prescribing guidance for safe use.

How to Use Testogel Sachets: Application Guide and Safety

Testosterone

min read

How to Use Testogel Sachets: Application Guide and Safety

Learn how to use Testogel sachets correctly for testosterone replacement therapy. Expert guidance on application technique, timing, dosage, side effects, and essential safety precautions to prevent hormone transfer.

Can You Lose Weight Without a Calorie Deficit? UK Evidence Explained

Weight Loss

min read

Can You Lose Weight Without a Calorie Deficit? UK Evidence Explained

Can you lose weight without a calorie deficit? Discover what NICE and NHS guidance say about energy balance, sustainable weight loss strategies, and when to see your GP.

Is Greek Yogurt Good for Fatty Liver? UK Clinical Guidance

Weight Loss

min read

Is Greek Yogurt Good for Fatty Liver? UK Clinical Guidance

Is Greek yogurt good for fatty liver? Discover how plain Greek yogurt's high protein and low sugar content supports liver health when managing NAFLD. Learn which types to choose, portion guidance, and how to incorporate it into a liver-friendly diet aligned with UK clinical guidance.

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Weight Loss

min read

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Does fatty liver make your poo stink? Discover the truth about fatty liver disease and stool odour, when digestive symptoms warrant medical attention, and evidence-based management strategies for liver and gut health in the UK.

How to Manage Constipation on GLP-1 Medications

Weight Loss

min read

How to Manage Constipation on GLP-1 Medications

Struggling with constipation on GLP-1 medications like Ozempic or Wegovy? Discover practical, clinically-backed strategies to manage bowel movements, including dietary changes, hydration tips, and when to seek medical advice for safe, effective relief.

Red Yeast Rice and CoQ10: Benefits, Risks and Safety Guidance

Supplements

min read

Red Yeast Rice and CoQ10: Benefits, Risks and Safety Guidance

Discover the facts about red yeast rice and CoQ10 supplements: how they work, potential benefits and risks, safety concerns, drug interactions, and why they cannot replace prescription statins. Essential UK guidance for informed decisions.

Weight Loss

min read

2 Month Calorie Deficit: Safe Weight Loss Guide

Discover how a 2-month calorie deficit works, how much weight you can safely lose, and when to seek medical advice. Evidence-based guidance aligned with NHS and NICE recommendations for sustainable fat loss.

Gastric Banding Alcohol Metabolism: Risks, Guidance and Practical Advice

Weight Loss

min read

Gastric Banding Alcohol Metabolism: Risks, Guidance and Practical Advice

Gastric banding alcohol metabolism explained: learn how AGB surgery affects alcohol absorption, why sensitivity may increase, and what NHS guidance says about drinking safely after weight loss surgery.

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

Impact of Obesity Treatment on Gastro-oesophageal Reflux Disease

Ayurvedic Medicine to Reduce HbA1c: Evidence, Safety, and NHS Alternatives

Normal HbA1c for Women: NHS Ranges, Results & When to Act

Bruise After Injection in Stomach: Causes & Prevention

Nausea and Fatty Liver Disease: Symptoms, Causes and Treatment

Resveratrol and Breast Cancer: Evidence, Safety and Guidance

Does Tadalafil Increase Nitric Oxide? UK Clinical Guide

How to Use Testogel Sachets: Application Guide and Safety

Can You Lose Weight Without a Calorie Deficit? UK Evidence Explained

Is Greek Yogurt Good for Fatty Liver? UK Clinical Guidance

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

How to Manage Constipation on GLP-1 Medications

Red Yeast Rice and CoQ10: Benefits, Risks and Safety Guidance

2 Month Calorie Deficit: Safe Weight Loss Guide

Gastric Banding Alcohol Metabolism: Risks, Guidance and Practical Advice

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