Bolt Guides

Expert insights on weight loss and more.

Featured

Mounjaro

min read

Mounjaro and High Ferritin: Causes, Investigation and Management

Can Mounjaro cause high ferritin levels? Discover the relationship between tirzepatide and elevated ferritin, underlying causes in diabetes and obesity patients, when to seek medical advice, and how to manage raised ferritin whilst continuing treatment safely.

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Weight loss

Read all on weight loss

Is It Possible to Gain Weight in a Calorie Deficit? UK Guide

Weight Loss

min read

Is It Possible to Gain Weight in a Calorie Deficit? UK Guide

Is it possible to gain weight in a calorie deficit? Discover the real reasons your weight may rise despite eating less — from water retention to medical conditions — with UK clinical guidance.

Calorie Deficit on Holiday: Practical Strategies That Actually Work

Weight Loss

min read

Calorie Deficit on Holiday: Practical Strategies That Actually Work

Calorie deficit on holiday — is it possible? Discover practical, NHS-aligned strategies for managing your calorie balance, staying active, and getting back on track after your trip.

Weight Loss

min read

400 Calorie Deficit: Weekly Weight Loss Explained With NHS Guidance

A 400 calorie deficit per day — what does it mean for weekly weight loss? Discover the science, NHS guidance, practical strategies, and factors that affect your results.

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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

Feeling Cold on Ozempic: Causes and Management

Feeling cold on Ozempic? Discover why some patients experience cold sensitivity, how common it is, practical management strategies, and when to contact your GP for further evaluation.

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Feeling Cold on Ozempic: Causes and Management

Lump After Ozempic Injection: What It Means & What to Do

GLP-1 Brands

min read

Lump After Ozempic Injection: What It Means & What to Do

Got a lump after your Ozempic injection? Learn what causes injection site lumps, how to prevent them with proper technique, and when to worry.

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

GLP-1 Brands

min read

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

Weight loss pill naltrexone (Mysimba) explained: how it works, who qualifies, dosage, side effects, and how to access it on the NHS or privately in the UK.

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

GLP-1 Brands

min read

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Is Rybelsus a good weight loss pill? Learn what the evidence says about oral semaglutide for weight loss, how it compares to Wegovy, its side effects, and UK prescribing guidance.

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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

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Erectile Dysfunction

min read

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Does tadalafil raise PSA levels? Discover what clinical evidence reveals about tadalafil's effect on prostate-specific antigen testing and why this matters for men monitoring prostate health whilst taking this medication.

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Testosterone

min read

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Calorie deficit effect on testosterone explained — learn how energy restriction affects hormone levels, warning signs to watch for, and evidence-based steps to protect testosterone while losing weight safely.

Can I Use Testogel at Night? Timing and Application Guide

Testosterone

min read

Can I Use Testogel at Night? Timing and Application Guide

Can you use Testogel at night instead of morning? Discover when to apply testosterone gel, how timing affects absorption, safety considerations for evening use, and expert guidance on optimising your treatment routine.

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.

Rybelsus Long Term Use: Benefits, Risks and Monitoring

GLP-1 Brands

min read

Rybelsus Long Term Use: Benefits, Risks and Monitoring

Rybelsus long term use: Discover the benefits, risks, monitoring requirements, and safety considerations for extended oral semaglutide therapy in type 2 diabetes management. Evidence-based UK guidance.

Chips for Fatty Liver: Evidence-Based Dietary Guidance

Weight Loss

min read

Chips for Fatty Liver: Evidence-Based Dietary Guidance

Discover how chips affect fatty liver disease and explore healthier alternatives. Evidence-based guidance on managing NAFLD through dietary choices, cooking methods, and lifestyle modifications aligned with UK clinical recommendations.

Does Ozempic Help With ADHD? Facts and Evidence-Based Treatments

GLP-1 Brands

min read

Does Ozempic Help With ADHD? Facts and Evidence-Based Treatments

Does Ozempic help with ADHD? Discover the facts about this diabetes medication, why it's not approved for ADHD treatment, and what evidence-based options are available through the NHS for managing attention deficit hyperactivity disorder safely and effectively.

Does Ozempic Cause Anxiety? Evidence and Guidance

GLP-1 Brands

min read

Does Ozempic Cause Anxiety? Evidence and Guidance

Does Ozempic cause anxiety? Explore the clinical evidence, potential mechanisms, and expert guidance on managing anxiety-like symptoms whilst taking semaglutide for type 2 diabetes in the UK.

Does Sildenafil Thin Your Blood? How It Works and Safety

Erectile Dysfunction

min read

Does Sildenafil Thin Your Blood? How It Works and Safety

Does sildenafil thin your blood? Learn how this PDE5 inhibitor works, its effects on circulation, interactions with anticoagulants, and essential safety considerations for UK patients.

Do Bananas Slow Metabolism? Evidence-Based UK Guide

Weight Loss

min read

Do Bananas Slow Metabolism? Evidence-Based UK Guide

Do bananas slow metabolism? Discover the evidence-based answer to this common dietary myth. Learn how bananas affect metabolic function, their nutritional benefits, and when to include them in a healthy UK diet according to NHS guidance.

Daily Omega-3 Dose Recommendation: UK Guidance on EPA and DHA

Supplements

min read

Daily Omega-3 Dose Recommendation: UK Guidance on EPA and DHA

Discover the daily omega-3 dose recommendation for UK adults, including EPA and DHA targets for heart health, pregnancy, and specific conditions. Learn about food sources, supplements, and safety guidance from NHS and NICE to optimise your omega-3 intake.

How Long to See Results with GLP-1: Timeline and Expectations

Weight Loss

min read

How Long to See Results with GLP-1: Timeline and Expectations

Discover how long it takes to see results with GLP-1 medications for diabetes and weight management. Learn about timelines for blood glucose improvements, weight loss, and what to expect during treatment with expert UK guidance.

Why Am I Not Losing Weight on Victoza? Causes and Solutions

GLP-1 Brands

min read

Why Am I Not Losing Weight on Victoza? Causes and Solutions

Why am I not losing weight on Victoza? Discover the common reasons weight loss may not occur with liraglutide, factors affecting effectiveness, when to speak with your GP, and alternative approaches to support weight management alongside diabetes treatment.

Cost

min read

e-Surgery Wegovy Cost: UK Pricing, NHS Comparison & Service Guide

Discover e-Surgery Wegovy costs in the UK, typically £149–£299 monthly. Compare NHS vs private access, understand what's included in the service, and learn how Wegovy works for weight management with expert guidance.

Hair Loss

min read

Does Phentermine Cause Hair Loss? UK Evidence and Guidance

Does phentermine cause hair loss? Learn what the evidence says, why telogen effluvium is the likely cause, UK prescribing rules, and when to see your GP.

Best Form of CoQ10: Ubiquinol vs Ubiquinone Compared

Supplements

min read

Best Form of CoQ10: Ubiquinol vs Ubiquinone Compared

Discover the best form of CoQ10 for optimal absorption. Compare ubiquinone vs ubiquinol, learn which formulation suits your needs, and understand bioavailability factors backed by clinical evidence.

Nicotinamide Riboside Resveratrol Benefits: Evidence and Safety

Supplements

min read

Nicotinamide Riboside Resveratrol Benefits: Evidence and Safety

Discover nicotinamide riboside resveratrol benefits, including evidence on cellular health, metabolism, and safety. Expert guidance on dosage, side effects, and UK regulations for these novel food supplements.

Prednisone and Allergy Medication: UK Guide to Safe Combined Use

Supplements

min read

Prednisone and Allergy Medication: UK Guide to Safe Combined Use

Prednisone and allergy medication explained: how prednisolone is used alongside antihistamines in the UK, key drug interactions, NHS safety guidance, and when to see your GP.

What Allergy Medication Is Safe for Diabetics: A Complete Guide

Supplements

min read

What Allergy Medication Is Safe for Diabetics: A Complete Guide

Discover which allergy medications are safe for diabetics. Learn about antihistamines that won't affect blood glucose, treatments to avoid, and how to choose the right allergy relief whilst managing diabetes effectively.

Bolt Guides

Featured

Mounjaro and High Ferritin: Causes, Investigation and Management

Weight loss

Is It Possible to Gain Weight in a Calorie Deficit? UK Guide

Calorie Deficit on Holiday: Practical Strategies That Actually Work

400 Calorie Deficit: Weekly Weight Loss Explained With NHS Guidance

GLP-1 Brands

Wegovy

Mounjaro

Feeling Cold on Ozempic: Causes and Management

Lump After Ozempic Injection: What It Means & What to Do

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Men’s Health

Testosterone

Erectile dysfunction

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Can I Use Testogel at Night? Timing and Application Guide

How to Treat Rash From Testosterone Treatment: Expert Guide

Browse all

Rybelsus Long Term Use: Benefits, Risks and Monitoring

Chips for Fatty Liver: Evidence-Based Dietary Guidance

Does Ozempic Help With ADHD? Facts and Evidence-Based Treatments

Does Ozempic Cause Anxiety? Evidence and Guidance

Does Sildenafil Thin Your Blood? How It Works and Safety

Do Bananas Slow Metabolism? Evidence-Based UK Guide

Daily Omega-3 Dose Recommendation: UK Guidance on EPA and DHA

How Long to See Results with GLP-1: Timeline and Expectations

Why Am I Not Losing Weight on Victoza? Causes and Solutions

e-Surgery Wegovy Cost: UK Pricing, NHS Comparison & Service Guide

Does Phentermine Cause Hair Loss? UK Evidence and Guidance

Best Form of CoQ10: Ubiquinol vs Ubiquinone Compared

Nicotinamide Riboside Resveratrol Benefits: Evidence and Safety

Prednisone and Allergy Medication: UK Guide to Safe Combined Use

What Allergy Medication Is Safe for Diabetics: A Complete Guide

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