Bolt Guides

Expert insights on weight loss and more.

Featured

Is It Safe to Take Retatrutide? UK Evidence and Guidance

GLP-1 Brands

min read

Is It Safe to Take Retatrutide? UK Evidence and Guidance

Is it safe to take retatrutide? Learn what the latest clinical trial data shows, known side effects, who should avoid it, and its current MHRA regulatory status in the UK.

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Weight loss

Read all on weight loss

Effect of Blood Transfusion on HbA1c: UK Clinical Guide

Weight Loss

min read

Effect of Blood Transfusion on HbA1c: UK Clinical Guide

The effect of blood transfusion on HbA1c can make results unreliable for up to three months. Learn why this happens, what the evidence shows, and which alternative tests UK clinicians recommend.

Gastric Sleeve Pouch Reset: What the NHS Evidence Really Says

Weight Loss

min read

Gastric Sleeve Pouch Reset: What the NHS Evidence Really Says

Gastric sleeve pouch reset: is it safe or clinically proven? Learn what NHS and BOMSS guidance says about managing weight regain after sleeve gastrectomy and when to seek specialist support.

Gynaecomastia and Tummy Tuck: Combined Surgery Guide for UK Patients

Weight Loss

min read

Gynaecomastia and Tummy Tuck: Combined Surgery Guide for UK Patients

Gynaecomastia and tummy tuck surgery combined: explore candidacy, risks, recovery, UK costs, and how to find a qualified surgeon. NHS and private options explained.

Read all on weight loss

GLP-1 Brands

Read all on GLP-1 brands

Wegovy

Answer all your questions about Wegovy treatments for weight loss.

Read Wegovy guides

Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

Read Mounjaro guides

GLP-1 Brands

min read

Is It Safe to Take Retatrutide? UK Evidence and Guidance

Is it safe to take retatrutide? Learn what the latest clinical trial data shows, known side effects, who should avoid it, and its current MHRA regulatory status in the UK.

Read now

Wegovy vs Ozempic Cost: UK Price Comparison and Value Guide

GLP-1 Brands

min read

Wegovy vs Ozempic Cost: UK Price Comparison and Value Guide

Wegovy vs Ozempic cost comparison: discover UK NHS and private prescription prices, eligibility criteria, and which semaglutide treatment offers better value for your clinical needs.

Ozempic for PCOS: Evidence & UK Treatment Options

GLP-1 Brands

min read

Ozempic for PCOS: Evidence & UK Treatment Options

Can Ozempic help with PCOS symptoms? Explore the evidence, off-label use considerations, and NHS-approved treatments for managing PCOS in the UK.

Best Time to Take Saxenda to Avoid Nausea: Expert Guidance

GLP-1 Brands

min read

Best Time to Take Saxenda to Avoid Nausea: Expert Guidance

Discover the best time to take Saxenda to avoid nausea, with expert guidance on timing strategies, dietary modifications, and practical tips to manage this common side effect whilst maintaining treatment effectiveness.

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Men’s Health

Testosterone

Answer all your questions about testosterone.

Read testosterone guides

Erectile dysfunction

Answer all your questions about erectile dysfunction.

Read erectile dysfunction guides

Erectile Dysfunction

min read

A Bracelet for Erectile Dysfunction: Evidence and NHS Treatments

Considering a bracelet for erectile dysfunction? Discover why these wearable devices lack clinical evidence, how they differ from NHS-approved treatments, and why proper medical assessment is essential for effective ED management.

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Is It OK to Put Testogel on Straight After Shower?

Testosterone

min read

Is It OK to Put Testogel on Straight After Shower?

Is it safe to apply Testogel straight after showering? Discover the optimal timing for testosterone gel application, why skin dryness matters for absorption, and expert tips to maximise treatment efficacy whilst avoiding common mistakes.

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Testosterone

min read

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Find out exactly how many pumps are in a Testogel bottle and how long it will last based on your prescribed dose. Essential UK guidance on testosterone gel dosing, application technique, and safety for effective hormone replacement therapy.

How Long Does Testogel Take to Work? UK Guide

Testosterone

min read

How Long Does Testogel Take to Work? UK Guide

Discover how long Testogel takes to work, from initial absorption to noticeable improvements in energy, libido, and muscle mass. Learn about factors affecting response time, monitoring requirements, and what to expect during testosterone replacement therapy in the UK.

Mounjaro

min read

Mounjaro and Water Intake: Essential UK Hydration Guidance

Discover essential guidance on Mounjaro and water intake, including recommended daily fluid requirements, managing gastrointestinal side effects through hydration, recognising dehydration signs, and practical tips for maintaining adequate hydration whilst taking tirzepatide in the UK.

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

Weight Loss

min read

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

Body odour after gastric sleeve surgery explained — discover why ketosis, diet, and metabolic changes affect how you smell, plus practical tips and when to seek medical advice.

How Much Should a Calorie Deficit Be? NICE-Aligned UK Guide

Weight Loss

min read

How Much Should a Calorie Deficit Be? NICE-Aligned UK Guide

How much should a calorie deficit be for safe weight loss? Discover NICE-recommended targets, how to calculate your daily calorie needs, and when to seek medical advice.

Digoxin and Gynaecomastia: Causes, Risks, and When to Seek Help

Weight Loss

min read

Digoxin and Gynaecomastia: Causes, Risks, and When to Seek Help

Does digoxin cause gynaecomastia? Learn how this cardiac glycoside may trigger male breast enlargement, who is most at risk, key monitoring advice, and when to see your GP.

Can Fatty Liver Cause Feet Swelling? Symptoms and When to Seek Help

Weight Loss

min read

Can Fatty Liver Cause Feet Swelling? Symptoms and When to Seek Help

Can fatty liver cause feet swelling? Discover when fatty liver disease leads to swollen feet, what other conditions cause ankle oedema, and when to seek urgent medical advice for liver-related swelling.

Best Resveratrol Supplement David Sinclair Recommends: UK Evidence Review

Supplements

min read

Best Resveratrol Supplement David Sinclair Recommends: UK Evidence Review

Discover what makes the best resveratrol supplement recommended by David Sinclair. Expert guidance on evidence, quality selection, safe dosing, and UK regulatory considerations for longevity supplementation.

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

GLP-1 Brands

min read

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

Find out exactly how many 1.2mg doses are in a Victoza pen and how long your supply will last. Essential guidance on calculating your Victoza pen duration, when to order refills, and proper storage for optimal diabetes management.

Cost

min read

The Family Chemist Wegovy Cost: NHS vs Private Pricing Guide

Discover The Family Chemist Wegovy cost for NHS and private prescriptions. Learn about monthly pricing (£200–£300 privately), eligibility criteria, dose escalation costs, and how to access semaglutide weight management treatment safely in the UK.

Wegovy

min read

How Many Calories on Wegovy: Personalised Guidance for Weight Management

How many calories on Wegovy? Discover personalised calorie guidance for Wegovy treatment, including recommended deficits, balanced nutrition, appetite effects, and monitoring strategies aligned with UK clinical guidance for sustainable weight management.

Vagus Nerve Obesity Treatment: VBLOC Therapy Evidence and UK Availability

Weight Loss

min read

Vagus Nerve Obesity Treatment: VBLOC Therapy Evidence and UK Availability

Vagus nerve obesity treatment uses electrical impulses to modulate appetite signals. Discover how VBLOC works, clinical evidence, eligibility criteria, potential risks, and current availability in the UK including NHS access and alternatives.

How Long Does It Take for GLP-1 to Kick In?

Weight Loss

min read

How Long Does It Take for GLP-1 to Kick In?

Discover how long it takes for GLP-1 medications to kick in, from initial blood glucose improvements to appetite suppression and weight loss. Learn about factors affecting onset, dose escalation schedules, and what to expect during your first weeks of treatment with semaglutide, liraglutide, and other GLP-1 receptor agonists.

Does Tadalafil Increase Testosterone Levels? Evidence and Treatment Options

Erectile Dysfunction

min read

Does Tadalafil Increase Testosterone Levels? Evidence and Treatment Options

Does tadalafil increase testosterone levels? Discover the evidence-based answer, understand how tadalafil works, and learn about appropriate treatments for low testosterone and erectile dysfunction in the UK.

Erectile Dysfunction

min read

Did Houdini Have Erectile Dysfunction? Separating Myth from Medical Fact

Did Houdini have erectile dysfunction? Discover the truth behind this myth, explore historical medical records, and learn about evidence-based erectile dysfunction causes, risk factors, and modern NHS treatments available today.

Does GLP-1 Change Your Taste? Effects and Management

Weight Loss

min read

Does GLP-1 Change Your Taste? Effects and Management

Does GLP-1 change your taste? Discover how GLP-1 medications like semaglutide and liraglutide may affect taste perception, food preferences, and appetite. Learn practical management strategies and when to seek medical advice for taste changes during treatment.

Hair Loss

min read

Does Olaplex Cause Hair Loss? Evidence, Side Effects, and UK Guidance

Does Olaplex cause hair loss? Explore the evidence, UK regulatory guidance, reported side effects, and when to see a GP about hair shedding or scalp concerns.

Bolt Guides

Featured

Is It Safe to Take Retatrutide? UK Evidence and Guidance

Weight loss

Effect of Blood Transfusion on HbA1c: UK Clinical Guide

Gastric Sleeve Pouch Reset: What the NHS Evidence Really Says

Gynaecomastia and Tummy Tuck: Combined Surgery Guide for UK Patients

GLP-1 Brands

Wegovy

Mounjaro

Is It Safe to Take Retatrutide? UK Evidence and Guidance

Wegovy vs Ozempic Cost: UK Price Comparison and Value Guide

Ozempic for PCOS: Evidence & UK Treatment Options

Best Time to Take Saxenda to Avoid Nausea: Expert Guidance

Men’s Health

Testosterone

Erectile dysfunction

A Bracelet for Erectile Dysfunction: Evidence and NHS Treatments

Is It OK to Put Testogel on Straight After Shower?

How Many Pumps in a Testogel Bottle? UK Dosing Guide

How Long Does Testogel Take to Work? UK Guide

Browse all

Mounjaro and Water Intake: Essential UK Hydration Guidance

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

How Much Should a Calorie Deficit Be? NICE-Aligned UK Guide

Digoxin and Gynaecomastia: Causes, Risks, and When to Seek Help

Can Fatty Liver Cause Feet Swelling? Symptoms and When to Seek Help

Best Resveratrol Supplement David Sinclair Recommends: UK Evidence Review

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

The Family Chemist Wegovy Cost: NHS vs Private Pricing Guide

How Many Calories on Wegovy: Personalised Guidance for Weight Management

Vagus Nerve Obesity Treatment: VBLOC Therapy Evidence and UK Availability

How Long Does It Take for GLP-1 to Kick In?

Does Tadalafil Increase Testosterone Levels? Evidence and Treatment Options

Did Houdini Have Erectile Dysfunction? Separating Myth from Medical Fact

Does GLP-1 Change Your Taste? Effects and Management

Does Olaplex Cause Hair Loss? Evidence, Side Effects, and UK Guidance

Personalized weight management for women