Bolt Guides

Expert insights on weight loss and more.

Featured

Should You Feel Hungry in a Calorie Deficit? What to Expect

Weight Loss

min read

Should You Feel Hungry in a Calorie Deficit? What to Expect

Should you feel hungry in a calorie deficit? Learn why hunger is normal during weight loss, how hormones like ghrelin and leptin drive appetite, and NHS-backed strategies to manage hunger safely and sustainably.

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Weight loss

Read all on weight loss

Weight Loss

min read

Should You Feel Hungry in a Calorie Deficit? What to Expect

Which Diuretic Causes Gynaecomastia? Spironolactone Explained

Weight Loss

min read

Which Diuretic Causes Gynaecomastia? Spironolactone Explained

Which diuretic causes gynaecomastia? Spironolactone is the main culprit. Learn why it affects breast tissue in men, how it compares to other diuretics, and what UK guidance says about managing this side effect.

Lemon Water and Fatty Liver: Evidence and Effective Treatments

Weight Loss

min read

Lemon Water and Fatty Liver: Evidence and Effective Treatments

Can lemon water help fatty liver disease? Discover the evidence behind this popular claim, understand what fatty liver disease is, and learn about proven treatments recommended by UK health guidance for managing liver health effectively.

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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

Retatrutide on a Plane: UK Rules for Flying with This Injectable

Retatrutide on a plane — find out the UK rules for flying with this injectable medication, including documentation, storage, airport security, and international travel advice.

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Retatrutide on a Plane: UK Rules for Flying with This Injectable

Ozempic Meal Plan for Weight Loss: Evidence-Based UK Guide

GLP-1 Brands

min read

Ozempic Meal Plan for Weight Loss: Evidence-Based UK Guide

Discover evidence-based meal planning strategies for Ozempic (semaglutide) users. Learn which foods to prioritise, how to manage side effects, and create sustainable eating habits aligned with UK guidance for safe, effective weight management.

Does Ozempic Cause Heat Intolerance? UK Evidence and Guidance

GLP-1 Brands

min read

Does Ozempic Cause Heat Intolerance? UK Evidence and Guidance

Does Ozempic cause heat intolerance? Explore the evidence behind temperature sensitivity on semaglutide, potential causes like dehydration, and practical management strategies for UK patients with type 2 diabetes.

Does Ozempic Cause Hot Flushes? Evidence and Management

GLP-1 Brands

min read

Does Ozempic Cause Hot Flushes? Evidence and Management

Does Ozempic cause hot flushes? Explore the evidence, potential indirect mechanisms, and practical management strategies for vasomotor symptoms during semaglutide treatment for type 2 diabetes.

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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

Tadalafil & Brain Blood Flow: What the Evidence Shows

Erectile Dysfunction

min read

Tadalafil & Brain Blood Flow: What the Evidence Shows

Can tadalafil support brain health? Explore clinical evidence on cerebral blood flow, cognitive effects, and UK safety guidance for daily low-dose use.

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Testosterone

min read

What Does Testogel Do for Men? UK Guide to Testosterone Gel

Discover what Testogel does for men with testosterone deficiency. Learn how this prescription TRT gel works, its benefits for sexual function and muscle mass, proper application techniques, side effects, and essential safety guidance from UK medical experts.

Testosterone

min read

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can testosterone treatments cause swollen feet? Discover how TRT affects fluid retention, when to seek medical advice, management strategies, and alternative causes of peripheral oedema during testosterone therapy.

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.

Erectile Dysfunction

min read

How to Fix Dopamine-Caused Erectile Dysfunction: UK Guide

Discover how to fix dopamine-caused erectile dysfunction with evidence-based treatments, medication reviews, lifestyle changes, and expert guidance on when to seek NHS help for ED.

Biohermes GlucoA1C HbA1c Analyser: UK Clinical Guide

Weight Loss

min read

Biohermes GlucoA1C HbA1c Analyser: UK Clinical Guide

Biohermes GlucoA1C HbA1c analyser: how it works, UK regulatory requirements, NICE diagnostic thresholds, accuracy standards, and what to consider before adopting point-of-care HbA1c testing in your practice.

Allergy Medication on an Empty Stomach: What You Need to Know

Supplements

min read

Allergy Medication on an Empty Stomach: What You Need to Know

Can you take allergy medication on an empty stomach? Find out which antihistamines are safe to take without food, which work better with a meal, and what UK guidance says about safe use.

Hair Loss

min read

Does Colestipol Cause Hair Loss? UK Evidence and Advice

Does colestipol cause hair loss? Explore the UK clinical evidence on bile acid sequestrants and alopecia, nutrient deficiencies that may affect hair, and when to speak to your GP or pharmacist.

Mounjaro

min read

Can You Drink Alcohol While Taking Mounjaro? UK Guidelines

Can you drink alcohol while taking Mounjaro? Discover how alcohol interacts with tirzepatide, affects blood sugar control, and what UK guidelines recommend for safe consumption with this type 2 diabetes medication.

Supplements

min read

High Triglycerides Fish Oil Supplements: Evidence and Safety Guide

Discover how high triglycerides fish oil supplements work to lower blood fats, the evidence behind their effectiveness, recommended dosages, and when prescription omega-3 medicines may be needed for cardiovascular protection.

Erectile Dysfunction

min read

Do Catheters Cause Erectile Dysfunction? Evidence and Management

Do catheters cause erectile dysfunction? Discover the evidence on how urinary catheterisation affects sexual function, including temporary versus long-term effects, catheter types, prevention strategies, and when to seek medical advice for erectile difficulties after catheter use.

Hair Loss

min read

Do Edibles Cause Hair Loss? Evidence, Mechanisms, and Advice

Do edibles cause hair loss? Explore the current evidence on cannabis edibles and hair health, potential biological mechanisms, common causes of hair loss, and when to see a GP.

Monounsaturated and Polyunsaturated Fats: Health Benefits and UK Dietary Guidance

Supplements

min read

Monounsaturated and Polyunsaturated Fats: Health Benefits and UK Dietary Guidance

Discover how monounsaturated and polyunsaturated fats support heart health and why UK guidelines recommend them. Learn which foods provide these essential fats, daily intake recommendations, and practical tips for replacing saturated fats in your diet with evidence-based advice from NHS and NICE guidance.

GLP-1 and Alcohol: What the Evidence Shows

Weight Loss

min read

GLP-1 and Alcohol: What the Evidence Shows

Can GLP-1 medications affect alcohol intake? Explore the emerging evidence and key safety guidance from UK clinical sources.

Cost

min read

Numan Mounjaro Monthly Cost: UK Pricing and NHS Comparison

Discover the Numan Mounjaro monthly cost for weight management in the UK. Compare private pricing (£199–£299) with NHS options, understand what's included in the service, and learn about this dual GIP/GLP-1 receptor agonist treatment.

Can Bariatric Patients Take Ibuprofen? UK Guidance Explained

Weight Loss

min read

Can Bariatric Patients Take Ibuprofen? UK Guidance Explained

Can bariatric patients take ibuprofen? Find out why oral NSAIDs are avoided after weight loss surgery, what the risks are, and which safer pain relief options are recommended under UK clinical guidance.

How Quickly Does Testogel Stop Working After Discontinuation?

Testosterone

min read

How Quickly Does Testogel Stop Working After Discontinuation?

Discover how quickly Testogel stops working after discontinuation. Learn about testosterone decline timelines, factors affecting duration, symptom return, and safe management strategies under medical supervision.

What Is Testogel Used to Treat? UK Clinical Guide

Testosterone

min read

What Is Testogel Used to Treat? UK Clinical Guide

Discover what Testogel is used to treat in the UK. Learn about testosterone replacement therapy for hypogonadism, who can use it, how it works, application guidance, side effects, and essential monitoring requirements from NHS and NICE-aligned clinical sources.

Collagen Protein Powder vs Whey: Key Differences and Benefits

Supplements

min read

Collagen Protein Powder vs Whey: Key Differences and Benefits

Collagen protein powder vs whey: discover the key nutritional differences, evidence-based health benefits, and which supplement suits your goals. Expert guidance on muscle building, skin health, joint support, and safety considerations for UK readers.

Bolt Guides

Featured

Should You Feel Hungry in a Calorie Deficit? What to Expect

Weight loss

Should You Feel Hungry in a Calorie Deficit? What to Expect

Which Diuretic Causes Gynaecomastia? Spironolactone Explained

Lemon Water and Fatty Liver: Evidence and Effective Treatments

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide on a Plane: UK Rules for Flying with This Injectable

Ozempic Meal Plan for Weight Loss: Evidence-Based UK Guide

Does Ozempic Cause Heat Intolerance? UK Evidence and Guidance

Does Ozempic Cause Hot Flushes? Evidence and Management

Men’s Health

Testosterone

Erectile dysfunction

Tadalafil & Brain Blood Flow: What the Evidence Shows

What Does Testogel Do for Men? UK Guide to Testosterone Gel

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Browse all

How to Fix Dopamine-Caused Erectile Dysfunction: UK Guide

Biohermes GlucoA1C HbA1c Analyser: UK Clinical Guide

Allergy Medication on an Empty Stomach: What You Need to Know

Does Colestipol Cause Hair Loss? UK Evidence and Advice

Can You Drink Alcohol While Taking Mounjaro? UK Guidelines

High Triglycerides Fish Oil Supplements: Evidence and Safety Guide

Do Catheters Cause Erectile Dysfunction? Evidence and Management

Do Edibles Cause Hair Loss? Evidence, Mechanisms, and Advice

Monounsaturated and Polyunsaturated Fats: Health Benefits and UK Dietary Guidance

GLP-1 and Alcohol: What the Evidence Shows

Numan Mounjaro Monthly Cost: UK Pricing and NHS Comparison

Can Bariatric Patients Take Ibuprofen? UK Guidance Explained

How Quickly Does Testogel Stop Working After Discontinuation?

What Is Testogel Used to Treat? UK Clinical Guide

Collagen Protein Powder vs Whey: Key Differences and Benefits

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