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.

Read all on GLP-1 brands

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

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.

Hair Loss

min read

Laser Treatment for Hair Loss: Evidence, Safety, and UK Access

Laser treatment for hair loss (LLLT): discover how it works, what the evidence says, safety considerations, UK access routes, and how it compares with minoxidil, finasteride, and PRP therapy.

Can Fatty Liver Cause Alopecia? Evidence and What to Know

Weight Loss

min read

Can Fatty Liver Cause Alopecia? Evidence and What to Know

Can fatty liver cause alopecia? Discover the evidence-based connection between fatty liver disease and hair loss, including shared risk factors, when to seek medical advice, and what your GP can do to help identify underlying causes.

Normal Vitamin D Levels by Age: UK Reference Ranges

Supplements

min read

Normal Vitamin D Levels by Age: UK Reference Ranges

Discover normal vitamin D levels by age in the UK, from infants to older adults. Learn about reference ranges, deficiency symptoms, risk factors, and when to seek testing or supplementation advice.

Can I Eat Tilapia Whilst Pregnant? Safety and NHS Guidelines

Supplements

min read

Can I Eat Tilapia Whilst Pregnant? Safety and NHS Guidelines

Can I eat tilapia whilst pregnant? Discover why tilapia is safe during pregnancy, its nutritional benefits, mercury levels, proper preparation methods, and NHS guidelines for fish consumption. Expert advice for expectant mothers.

Hair Loss

min read

Does Coffee Cause Hair Loss? What the Evidence Really Shows

Does coffee cause hair loss? Current evidence says no — but the truth is nuanced. Discover what science says about caffeine and hair follicles, real causes of hair loss, and when to see a GP.

Berries for Fatty Liver: Evidence, Benefits and Safe Use

Weight Loss

min read

Berries for Fatty Liver: Evidence, Benefits and Safe Use

Can berries help fatty liver disease? Discover which berries may support liver health, the evidence behind their use in NAFLD, and how to include them safely in your diet alongside proven lifestyle interventions.

Does Stress Affect HbA1c? Causes, Science, and Management

Weight Loss

min read

Does Stress Affect HbA1c? Causes, Science, and Management

Does stress affect HbA1c? Learn how cortisol, adrenaline, and chronic stress raise blood glucose levels, what the science says, and how to manage stress for better diabetes control.

Gastric Banding Alcohol Metabolism: Risks, Guidance and Practical Advice

Weight Loss

min read

Gastric Banding Alcohol Metabolism: Risks, Guidance and Practical Advice

Gastric banding alcohol metabolism explained: learn how AGB surgery affects alcohol absorption, why sensitivity may increase, and what NHS guidance says about drinking safely after weight loss surgery.

Gynaecomastia: How to Fix Enlarged Male Breast Tissue in the UK

Weight Loss

min read

Gynaecomastia: How to Fix Enlarged Male Breast Tissue in the UK

Gynaecomastia: how to fix enlarged male breast tissue with NHS and private options. Learn about causes, when to see a GP, medications, surgery, and lifestyle changes.

How Long Does a Saxenda Pen Last Once Opened?

GLP-1 Brands

min read

How Long Does a Saxenda Pen Last Once Opened?

Find out how long an opened Saxenda pen stays usable, how to store it correctly, and what to do if yours has expired. Clear UK guidance inside.

Barley Grass Vitamin K Content: Clinical Guidance

Supplements

min read

Barley Grass Vitamin K Content: Clinical Guidance

Discover the vitamin K content in barley grass supplements and why it matters for medication safety. Essential guidance for patients on anticoagulants and healthcare professionals managing supplement interactions.

Are Macadamia Nuts Good for Fatty Liver? UK Evidence Review

Weight Loss

min read

Are Macadamia Nuts Good for Fatty Liver? UK Evidence Review

Are macadamia nuts good for fatty liver disease? Discover how their unique nutritional profile may support liver health, appropriate portion sizes for NAFLD management, and evidence-based dietary strategies. Expert UK guidance on incorporating macadamias into a liver-healthy eating pattern.

NAD+ Subcutaneous Injection Protocol: UK Guide and Safety

Supplements

min read

NAD+ Subcutaneous Injection Protocol: UK Guide and Safety

Comprehensive guide to NAD+ subcutaneous injection protocols in the UK. Learn about dosing, administration techniques, safety considerations, and regulatory status. Essential reading for patients considering this unlicensed therapy under medical supervision.

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.

Saxenda & Taste Changes: Causes and Management

GLP-1 Brands

min read

Saxenda & Taste Changes: Causes and Management

Experiencing loss of taste or a metallic taste on Saxenda? Learn why GLP-1 medicines affect taste perception and how to manage it safely.

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

Laser Treatment for Hair Loss: Evidence, Safety, and UK Access

Can Fatty Liver Cause Alopecia? Evidence and What to Know

Normal Vitamin D Levels by Age: UK Reference Ranges

Can I Eat Tilapia Whilst Pregnant? Safety and NHS Guidelines

Does Coffee Cause Hair Loss? What the Evidence Really Shows

Berries for Fatty Liver: Evidence, Benefits and Safe Use

Does Stress Affect HbA1c? Causes, Science, and Management

Gastric Banding Alcohol Metabolism: Risks, Guidance and Practical Advice

Gynaecomastia: How to Fix Enlarged Male Breast Tissue in the UK

How Long Does a Saxenda Pen Last Once Opened?

Barley Grass Vitamin K Content: Clinical Guidance

Are Macadamia Nuts Good for Fatty Liver? UK Evidence Review

NAD+ Subcutaneous Injection Protocol: UK Guide and Safety

Are Oranges Bad for Fatty Liver? Evidence-Based Guidance

Saxenda & Taste Changes: Causes and Management

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