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.

Gastric Sleeve Surgery vs Gastric Balloon: Which Is Right for You?

Weight Loss

min read

Gastric Sleeve Surgery vs Gastric Balloon: Which Is Right for You?

Gastric sleeve surgery vs gastric balloon: compare how they work, NHS eligibility, weight loss outcomes, risks, and recovery to help you choose the right option.

Is Vitamin D Water Soluble or Fat Soluble?

Supplements

min read

Is Vitamin D Water Soluble or Fat Soluble?

Vitamin D is fat-soluble, not water-soluble. Learn how this affects absorption, storage, toxicity risk, and safe supplementation — with UK health guidance.

Hair Loss

min read

Boar Brush Hair Loss: Causes, Safe Techniques, and When to Seek Help

Boar brush hair loss explained: find out whether boar bristle brushes cause shedding or breakage, how to brush safely, and when to see a GP about hair loss.

First Line Allergy Medication: UK Treatments, Guidance, and Safety

Supplements

min read

First Line Allergy Medication: UK Treatments, Guidance, and Safety

First line allergy medication in the UK explained — discover which antihistamines, nasal sprays, and topical treatments NICE recommends, how they work, and when to see your GP.

Retatrutide Side Effects and Fertility: What UK Patients Should Know

GLP-1 Brands

min read

Retatrutide Side Effects and Fertility: What UK Patients Should Know

Retatrutide side effects and fertility: discover what clinical trial data reveal about gastrointestinal risks, reproductive health considerations, and UK regulatory status of this investigational triple agonist.

Calorie Deficit at Buffalo Wild Wings: Smart Ordering Guide

Weight Loss

min read

Calorie Deficit at Buffalo Wild Wings: Smart Ordering Guide

Calorie deficit at Buffalo Wild Wings made simple — discover the calorie counts of popular menu items, practical ordering tips, and NHS-aligned advice for eating out whilst managing your weight.

People Going Blind From GLP-1: Risks, Evidence and Protection

Weight Loss

min read

People Going Blind From GLP-1: Risks, Evidence and Protection

Are people going blind from GLP-1 medications? Discover the evidence on GLP-1s and vision loss, who's at risk, warning signs to watch for, and how to protect your eyesight whilst taking these diabetes and weight-loss treatments.

Gastric Sleeve Healing Time: Recovery Timeline and NHS Guidance

Weight Loss

min read

Gastric Sleeve Healing Time: Recovery Timeline and NHS Guidance

Gastric sleeve healing time explained: discover the week-by-week recovery timeline, NHS return-to-work guidance, warning signs to watch for, and long-term follow-up care after sleeve gastrectomy.

Dapoxetine & Sildenafil: Can You Take Them Together?

Erectile Dysfunction

min read

Dapoxetine & Sildenafil: Can You Take Them Together?

Can you take dapoxetine with Viagra or Cialis? Learn how it differs from ED treatments and which options are licensed in the UK.

What Is Metabolism? Definition, Biology & How It Works

Weight Loss

min read

What Is Metabolism? Definition, Biology & How It Works

Learn what metabolism means in biology, how catabolism and anabolism work, and what affects your metabolic rate.

Is Tadalafil an ACE Inhibitor? Key Differences Explained

Erectile Dysfunction

min read

Is Tadalafil an ACE Inhibitor? Key Differences Explained

Is tadalafil an ACE inhibitor? Learn the key differences between tadalafil (a PDE5 inhibitor for erectile dysfunction) and ACE inhibitors used for blood pressure. Understand how each works, their uses, and when to speak with your GP.

Topical Vitamin D: UK Guide to Psoriasis Treatment

Supplements

min read

Topical Vitamin D: UK Guide to Psoriasis Treatment

Discover how topical vitamin D treats plaque psoriasis in the UK. Learn about calcipotriol, safe application techniques, NICE guidance, side effects, and when to seek specialist referral for skin conditions.

Eating Very Little But Gaining Weight on Rybelsus: Causes and Solutions

GLP-1 Brands

min read

Eating Very Little But Gaining Weight on Rybelsus: Causes and Solutions

Eating very little but gaining weight on Rybelsus? Discover why unexpected weight gain occurs despite reduced appetite, when to seek medical advice, and evidence-based strategies to optimise your diabetes treatment and weight management goals.

Decrease in HbA1c with Bydureon: Evidence, Expectations & NICE Guidance

Weight Loss

min read

Decrease in HbA1c with Bydureon: Evidence, Expectations & NICE Guidance

Decrease in HbA1c with Bydureon: discover what reductions to expect, clinical trial evidence, NICE NG28 prescribing criteria, and how to monitor your diabetes management on the NHS.

Retatrutide Storage: Refrigeration, Temperature and Travel Guide

GLP-1 Brands

min read

Retatrutide Storage: Refrigeration, Temperature and Travel Guide

Do you refrigerate retatrutide? Learn the essential storage, refrigeration, and travel guidance for this investigational injectable, including what to do if it is left unrefrigerated.

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

Gastric Sleeve Surgery vs Gastric Balloon: Which Is Right for You?

Is Vitamin D Water Soluble or Fat Soluble?

Boar Brush Hair Loss: Causes, Safe Techniques, and When to Seek Help

First Line Allergy Medication: UK Treatments, Guidance, and Safety

Retatrutide Side Effects and Fertility: What UK Patients Should Know

Calorie Deficit at Buffalo Wild Wings: Smart Ordering Guide

People Going Blind From GLP-1: Risks, Evidence and Protection

Gastric Sleeve Healing Time: Recovery Timeline and NHS Guidance

Dapoxetine & Sildenafil: Can You Take Them Together?

What Is Metabolism? Definition, Biology & How It Works

Is Tadalafil an ACE Inhibitor? Key Differences Explained

Topical Vitamin D: UK Guide to Psoriasis Treatment

Eating Very Little But Gaining Weight on Rybelsus: Causes and Solutions

Decrease in HbA1c with Bydureon: Evidence, Expectations & NICE Guidance

Retatrutide Storage: Refrigeration, Temperature and Travel Guide

Personalized weight management for women