Bolt Guides

Expert insights on weight loss and more.

Featured

Weight Loss

min read

New Weight Loss Prescriptions in the UK: Your Complete Guide

New weight loss prescriptions including semaglutide and tirzepatide are now available in the UK. Learn who qualifies, how they work, NICE eligibility criteria, side effects, and how to access treatment safely via the NHS or private providers.

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Weight loss

Read all on weight loss

Weight Loss

min read

New Weight Loss Prescriptions in the UK: Your Complete Guide

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Weight Loss

min read

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Can you eat oatmeal while intermittent fasting? Find out when oatmeal breaks a fast, why it's an ideal choice for your eating window, and who should seek GP advice first.

Intermittent Fasting and Cell Repair: Evidence, Safety, and UK Guidance

Weight Loss

min read

Intermittent Fasting and Cell Repair: Evidence, Safety, and UK Guidance

Intermittent fasting and cell repair: discover how fasting triggers autophagy and cellular maintenance pathways, what UK guidance says, who should exercise caution, and practical safety advice from NHS and NICE.

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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

Trulicity Doses Per Pen: UK Dosing Guide

Learn about Trulicity pen strengths, how to administer your weekly dose, storage tips, and what to do if you miss a dose.

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Trulicity Doses Per Pen: UK Dosing Guide

GLP-1 Brands

min read

Paracetamol with Trulicity: Is It Safe?

Find out if paracetamol is safe to take with Trulicity (dulaglutide), including dosage guidance, key considerations, and when to seek medical advice.

Best Time to Take Victoza: Morning or Evening?

GLP-1 Brands

min read

Best Time to Take Victoza: Morning or Evening?

Morning or evening — does it matter when you take Victoza? Learn the recommended liraglutide dosing schedule and how to get the most from your injections.

Does Ozempic Cause Muscle Loss? Evidence & Tips

GLP-1 Brands

min read

Does Ozempic Cause Muscle Loss? Evidence & Tips

Worried Ozempic is eating your muscle? See what the evidence says about semaglutide and body composition, plus practical steps to protect lean muscle mass.

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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.

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Erectile Dysfunction

min read

Is Spinach Good for Erectile Dysfunction? UK Evidence Review

Is spinach good for erectile dysfunction? Discover what the evidence says about spinach, dietary nitrates, and erectile health—plus when to seek medical advice for ED in the UK.

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Testosterone

min read

Low Testosterone and Man Boobs: Causes, Diagnosis, and NHS Treatment

Low testosterone causing man boobs? Learn how hormonal imbalance leads to gynaecomastia, what causes it, when to see a GP, and what NHS diagnosis and treatment options are available.

Does Testogel Work for Men? What the Evidence Shows

Testosterone

min read

Does Testogel Work for Men? What the Evidence Shows

Find out how Testogel works for men with low testosterone, what clinical evidence shows, realistic results timelines, and key safety considerations.

Testosterone

min read

How to Increase Testosterone Levels Naturally: 7 Tips

Boost testosterone naturally with 7 evidence-based lifestyle changes covering sleep, nutrition, exercise and stress. Plus when to seek NHS advice.

Bariatric Surgery Success: Lap Band vs Gastric Sleeve Compared

Weight Loss

min read

Bariatric Surgery Success: Lap Band vs Gastric Sleeve Compared

Bariatric surgery success: lap band vs gastric sleeve compared. Explore how each procedure works, weight loss outcomes, NHS eligibility, risks, and what influences long-term results.

Metabolically Healthy Obesity: The Low-Hanging Fruit in Obesity Treatment

Weight Loss

min read

Metabolically Healthy Obesity: The Low-Hanging Fruit in Obesity Treatment

Is metabolically healthy obesity the low-hanging fruit in obesity treatment? Discover what MHO means, who qualifies, long-term risks, and evidence-based NHS approaches to prevent metabolic decline in people with obesity but normal metabolic markers.

Fatty Fish for Brain Health: Benefits and Guidelines

Supplements

min read

Fatty Fish for Brain Health: Benefits and Guidelines

Discover how fatty fish supports brain health through omega-3 fatty acids. Learn which fish are best, recommended intake guidelines, and important safety considerations for optimal cognitive function.

Erectile Dysfunction

min read

Does Methylene Blue Help with Erectile Dysfunction? UK Evidence Review

Does methylene blue help with erectile dysfunction? Discover why this prescription medicine is not recommended for ED, understand the science behind erections, and learn about safe, evidence-based treatments approved in the UK.

Advantages of Omega-3 Capsules: Evidence-Based Health Benefits

Supplements

min read

Advantages of Omega-3 Capsules: Evidence-Based Health Benefits

Discover the advantages of omega-3 capsules for heart health, joint support, brain function, and more. Learn who should consider supplementation, how omega-3 works, and how to choose quality products in the UK with evidence-based guidance.

Hair Loss

min read

Does Tacrolimus Cause Hair Loss? Evidence, Risks & Management

Does tacrolimus cause hair loss? Learn what UK prescribing guidance says, how common it is, what else may be contributing, and when to speak to your GP or transplant team.

Natto Vitamin K: Content, Health Effects and UK Safety Guidance

Supplements

min read

Natto Vitamin K: Content, Health Effects and UK Safety Guidance

Discover why natto is exceptionally high in vitamin K2, how much it contains per serving, and crucial safety guidance for UK patients—especially those taking warfarin or other anticoagulants.

Can You Take Rybelsus While Pregnant? UK Safety Guidance

GLP-1 Brands

min read

Can You Take Rybelsus While Pregnant? UK Safety Guidance

Can you take Rybelsus whilst pregnant? Discover why semaglutide is not recommended during pregnancy, what to do if you become pregnant on Rybelsus, and which safe diabetes treatments are available for expectant mothers in the UK.

Erectile Dysfunction

min read

Do Antidepressants Cause Erectile Dysfunction? UK Guide

Do antidepressants cause erectile dysfunction? Discover which antidepressants affect erections most, why sexual side effects occur, and evidence-based management strategies. Learn when to speak to your GP and explore treatment options that protect both mental health and sexual function.

How Do Cells in Your Body Get Energy? ATP Production Explained

Weight Loss

min read

How Do Cells in Your Body Get Energy? ATP Production Explained

How do the cells in your body get energy? Discover how mitochondria produce ATP through cellular respiration, converting food into fuel. Learn what happens when energy production fails and how to support healthy cellular metabolism with evidence-based lifestyle strategies.

Best Cereal for Fatty Liver: Evidence-Based UK Guide

Weight Loss

min read

Best Cereal for Fatty Liver: Evidence-Based UK Guide

Discover the best cereal for fatty liver disease with this evidence-based UK guide. Learn which breakfast cereals support liver health, which to avoid, and how to create a liver-friendly morning routine backed by NHS and NICE guidance.

Hair Loss

min read

Does Long Hair Cause Hair Loss? What the Evidence Shows

Does long hair cause hair loss? Learn what the evidence says, how styling habits can trigger traction alopecia, when shedding is normal, and when to see your GP.

Does Victoza Stop Working for Weight Loss? Causes and Solutions

GLP-1 Brands

min read

Does Victoza Stop Working for Weight Loss? Causes and Solutions

Does Victoza stop working for weight loss? Discover why weight loss plateaus occur with liraglutide, what causes reduced effectiveness over time, and evidence-based strategies to reinvigorate progress or explore alternative treatments for type 2 diabetes and weight management.

Erectile Dysfunction

min read

Do Haemorrhoids Cause Erectile Dysfunction? Medical Evidence Explained

Do haemorrhoids cause erectile dysfunction? Discover the medical evidence on whether these common conditions are connected, shared risk factors, psychological impacts, and when to seek NHS advice for both haemorrhoids and ED.

Erectile Dysfunction

min read

Is Cumin Good for Erectile Dysfunction? Evidence and Treatments

Is cumin good for erectile dysfunction? Discover what the clinical evidence says about cumin for ED, explore proven treatments recommended by NICE, and learn when to seek medical advice for erectile problems.

Bolt Guides

Featured

New Weight Loss Prescriptions in the UK: Your Complete Guide

Weight loss

New Weight Loss Prescriptions in the UK: Your Complete Guide

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Intermittent Fasting and Cell Repair: Evidence, Safety, and UK Guidance

GLP-1 Brands

Wegovy

Mounjaro

Trulicity Doses Per Pen: UK Dosing Guide

Paracetamol with Trulicity: Is It Safe?

Best Time to Take Victoza: Morning or Evening?

Does Ozempic Cause Muscle Loss? Evidence & Tips

Men’s Health

Testosterone

Erectile dysfunction

Is Spinach Good for Erectile Dysfunction? UK Evidence Review

Low Testosterone and Man Boobs: Causes, Diagnosis, and NHS Treatment

Does Testogel Work for Men? What the Evidence Shows

How to Increase Testosterone Levels Naturally: 7 Tips

Browse all

Bariatric Surgery Success: Lap Band vs Gastric Sleeve Compared

Metabolically Healthy Obesity: The Low-Hanging Fruit in Obesity Treatment

Fatty Fish for Brain Health: Benefits and Guidelines

Does Methylene Blue Help with Erectile Dysfunction? UK Evidence Review

Advantages of Omega-3 Capsules: Evidence-Based Health Benefits

Does Tacrolimus Cause Hair Loss? Evidence, Risks & Management

Natto Vitamin K: Content, Health Effects and UK Safety Guidance

Can You Take Rybelsus While Pregnant? UK Safety Guidance

Do Antidepressants Cause Erectile Dysfunction? UK Guide

How Do Cells in Your Body Get Energy? ATP Production Explained

Best Cereal for Fatty Liver: Evidence-Based UK Guide

Does Long Hair Cause Hair Loss? What the Evidence Shows

Does Victoza Stop Working for Weight Loss? Causes and Solutions

Do Haemorrhoids Cause Erectile Dysfunction? Medical Evidence Explained

Is Cumin Good for Erectile Dysfunction? Evidence and Treatments

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