Bolt Guides

Expert insights on weight loss and more.

Featured

Fish Oil Pills & Weight Loss: What the Evidence Says

Supplements

min read

Fish Oil Pills & Weight Loss: What the Evidence Says

Can fish oil supplements support weight loss? We review the evidence on omega-3 capsules, benefits, side effects, and UK guidance to help you decide.

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Weight loss

Read all on weight loss

Weight Loss

min read

Lemon Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Lemon pills for weight loss: do they work? Explore the evidence, UK regulations, safety considerations, and NHS-approved alternatives to make an informed decision.

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Weight Loss

min read

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Discover how treatment of genetic obesity has been transformed by targeted therapies for rare inherited forms. Learn about diagnosis, licensed medications like setmelanotide, specialist NHS services, and comprehensive management approaches for monogenic obesity conditions.

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

Weight Loss

min read

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

Spironolactone causes gynaecomastia by blocking androgen receptors and shifting the oestrogen-to-androgen ratio in breast tissue. Learn how it happens, how common it is, and what your options are.

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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.

Read Mounjaro guides

GLP-1 Brands

min read

How to Wean Off Rybelsus Safely: UK Clinical Guidance

Learn how to wean off Rybelsus safely with expert guidance on stopping semaglutide, managing blood sugar after discontinuation, and maintaining diabetes control. Essential UK clinical advice for patients and healthcare professionals.

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How to Wean Off Rybelsus Safely: UK Clinical Guidance

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

GLP-1 Brands

min read

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

Discover how Trulicity (dulaglutide) helps manage type 2 diabetes with once-weekly injections. Learn about dosing, eligibility, side effects, and NICE guidance for UK patients seeking better blood glucose control.

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

GLP-1 Brands

min read

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

Retatrutide triple receptor agonist explained: how it works, Phase 2 trial results, side effects, and UK regulatory status. Find out what the evidence says and what to expect next.

Ozempic Effects on the Body: How Semaglutide Works

GLP-1 Brands

min read

Ozempic Effects on the Body: How Semaglutide Works

Discover how Ozempic affects blood sugar, weight & heart health. Learn side effects & safe usage with expert UK 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.

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Erectile Dysfunction

min read

What Is the Best Vacuum Device for Erectile Dysfunction?

What is the best vacuum device for erectile dysfunction? Discover how vacuum erection devices work, which features matter most, how to access clinically tested VEDs through the NHS, and what the evidence shows about effectiveness and safety for treating ED.

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Testosterone

min read

How Many Days of Testosterone Gel Pump Treatment Are Needed?

How many days of testosterone gel pump treatment do you need? Discover why testosterone replacement therapy isn't measured in days but requires long-term management. Learn about treatment timelines, monitoring schedules, and when to review your therapy with evidence-based UK guidance.

Does Testogel Make Your Penis Larger? Evidence and Facts

Testosterone

min read

Does Testogel Make Your Penis Larger? Evidence and Facts

Does Testogel make your penis larger? Discover the evidence-based answer about testosterone therapy and penis size, plus realistic effects on male sexual health and when to seek medical advice.

How to Use Testogel for Women: Dosage, Application and Safety

Testosterone

min read

How to Use Testogel for Women: Dosage, Application and Safety

Learn how to use Testogel for women safely, including application technique, dosage guidelines, monitoring requirements, and potential side effects. Expert guidance on off-label testosterone therapy for postmenopausal women with HSDD.

Hair Loss

min read

Hair Loss Behind the Ears: Causes, Diagnosis and NHS Treatments

Hair loss behind the ears can have many causes, from alopecia areata to contact dermatitis. Discover NHS treatments, when to see a GP, and self-care tips in this UK clinical guide.

Dwayne Johnson Gynecomastia Surgery: UK Guide to Male Breast Reduction

Weight Loss

min read

Dwayne Johnson Gynecomastia Surgery: UK Guide to Male Breast Reduction

Dwayne Johnson gynecomastia surgery has fuelled interest in male breast reduction. Learn what gynaecomastia is, UK surgical options, risks, recovery, and how to access safe, regulated treatment.

Calorie Deficit and Sleep: What You Need to Know

Weight Loss

min read

Calorie Deficit and Sleep: What You Need to Know

Calorie deficit and sleep are closely linked — find out how reducing calories affects sleep quality, what the NHS recommends, and practical tips to sleep better while losing weight.

Erectile Dysfunction

min read

Celery Juice & Erectile Dysfunction: What Evidence Says

Does celery juice really help with ED? We review the clinical evidence, explore celery's nitrate content, and highlight treatments that actually work.

Can You Take Calcium and Magnesium Together? UK Guide

Supplements

min read

Can You Take Calcium and Magnesium Together? UK Guide

Can you take calcium and magnesium together? Discover how these essential minerals work synergistically, recommended dosages, optimal timing, potential benefits and risks, and when to seek medical advice about combined supplementation in the UK.

What Does Beetroot Extract Do for Men? Benefits & Evidence

Supplements

min read

What Does Beetroot Extract Do for Men? Benefits & Evidence

Discover what beetroot extract does for men's health, from cardiovascular support to exercise performance. Learn about the science, benefits, safety considerations, and how to use this nitrate-rich supplement effectively in the UK.

Gastric Sleeve Air Bubbles: Causes, Symptoms, and NHS Management

Weight Loss

min read

Gastric Sleeve Air Bubbles: Causes, Symptoms, and NHS Management

Gastric sleeve air bubbles explained: why they happen, common symptoms, when to seek help, and practical NHS-aligned advice for managing trapped gas after sleeve gastrectomy.

Erectile Dysfunction

min read

Are Tomatoes Good for Erectile Dysfunction? Evidence and Advice

Are tomatoes good for erectile dysfunction? Discover how tomatoes' nutrients support vascular health, the evidence behind dietary approaches for ED, and when to seek medical advice for erectile difficulties.

Mounjaro

min read

Mounjaro After Gallbladder Removal: UK Safety Guide

Can you take Mounjaro without a gallbladder? Expert guidance on using tirzepatide post-cholecystectomy, side effects to expect, and tips for UK patients.

Are Oranges Bad for Fatty Liver? Evidence-Based Guidance

Weight Loss

min read

Are Oranges Bad for Fatty Liver? Evidence-Based Guidance

Are oranges bad for fatty liver? Discover what clinical evidence reveals about citrus fruit consumption in NAFLD, including nutritional benefits, safe portion sizes, and evidence-based dietary guidance for managing fatty liver disease effectively.

Erectile Dysfunction

min read

Does Parmesan Cheese Help Erectile Dysfunction? Evidence Review

Does parmesan cheese help erectile dysfunction? Discover the truth about parmesan and ED, including nutritional facts, evidence-based dietary approaches for erectile function, and when to seek medical advice for persistent erectile difficulties.

Does Prednisone Cause Gynaecomastia? UK Clinical Guide

Weight Loss

min read

Does Prednisone Cause Gynaecomastia? UK Clinical Guide

Does prednisone cause gynaecomastia? Learn about the evidence, hormonal mechanisms, and when to see your GP — with UK clinical guidance on prednisolone and breast changes in males.

Vitamin D in Eggs: Content, Benefits and How to Optimise Intake

Supplements

min read

Vitamin D in Eggs: Content, Benefits and How to Optimise Intake

Discover how much vitamin D is in eggs and how they compare to other sources. Learn practical ways to maximise your vitamin D intake from eggs and who benefits most from including them in their diet, with guidance aligned to NHS recommendations.

Weight Loss

min read

Calorie Deficit and Working Out: Safe, Effective Weight Loss Guide

Calorie deficit and working out: learn how to calculate a safe deficit for your activity level, fuel your training, avoid under-fuelling, and follow NHS and NICE guidance for healthy, sustainable weight loss.

Smoothies for Type 2 Diabetes: Recipes and Blood Sugar Tips

Weight Loss

min read

Smoothies for Type 2 Diabetes: Recipes and Blood Sugar Tips

Discover how to make smoothies for type 2 diabetes that support stable blood sugar. Learn which ingredients to use, recipes to try, common mistakes to avoid, and NHS-recommended portion sizes for safe, diabetes-friendly smoothies.

Bolt Guides

Featured

Fish Oil Pills & Weight Loss: What the Evidence Says

Weight loss

Lemon Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

GLP-1 Brands

Wegovy

Mounjaro

How to Wean Off Rybelsus Safely: UK Clinical Guidance

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

Ozempic Effects on the Body: How Semaglutide Works

Men’s Health

Testosterone

Erectile dysfunction

What Is the Best Vacuum Device for Erectile Dysfunction?

How Many Days of Testosterone Gel Pump Treatment Are Needed?

Does Testogel Make Your Penis Larger? Evidence and Facts

How to Use Testogel for Women: Dosage, Application and Safety

Browse all

Hair Loss Behind the Ears: Causes, Diagnosis and NHS Treatments

Dwayne Johnson Gynecomastia Surgery: UK Guide to Male Breast Reduction

Calorie Deficit and Sleep: What You Need to Know

Celery Juice & Erectile Dysfunction: What Evidence Says

Can You Take Calcium and Magnesium Together? UK Guide

What Does Beetroot Extract Do for Men? Benefits & Evidence

Gastric Sleeve Air Bubbles: Causes, Symptoms, and NHS Management

Are Tomatoes Good for Erectile Dysfunction? Evidence and Advice

Mounjaro After Gallbladder Removal: UK Safety Guide

Are Oranges Bad for Fatty Liver? Evidence-Based Guidance

Does Parmesan Cheese Help Erectile Dysfunction? Evidence Review

Does Prednisone Cause Gynaecomastia? UK Clinical Guide

Vitamin D in Eggs: Content, Benefits and How to Optimise Intake

Calorie Deficit and Working Out: Safe, Effective Weight Loss Guide

Smoothies for Type 2 Diabetes: Recipes and Blood Sugar Tips

Personalized weight management for women