Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Wegovy Pill UK: Licensing, Eligibility, Safety and Oral Alternatives

Wegovy pill: does an oral version exist in the UK? Learn about current licensing, NHS eligibility, safe use, side effects, and licensed oral alternatives for weight management.

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Weight loss

Read all on weight loss

Non-Invasive Blood Glucose Meters: UK Evidence, Regulation & Guidance

Weight Loss

min read

Non-Invasive Blood Glucose Meters: UK Evidence, Regulation & Guidance

Non-invasive blood glucose meters claim to measure glucose without finger-prick testing — but are they safe and approved in the UK? Learn about the technology, MHRA regulatory status, and NHS-recommended alternatives.

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Weight Loss

min read

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Blood glucose readings for non-diabetics explained: discover normal UK ranges, how tests work, what affects your results, and when to see your GP. Evidence-based NHS guidance.

Is Diarrhoea Normal After Gastric Sleeve? Causes and Recovery Tips

Weight Loss

min read

Is Diarrhoea Normal After Gastric Sleeve? Causes and Recovery Tips

Is diarrhoea normal after gastric sleeve surgery? Learn why loose stools occur, how long they last, practical management tips, and when to seek medical advice in the UK.

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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

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

How much bacteriostatic water to mix with retatrutide — understand reconstitution principles, UK regulatory status, safety risks, and when to seek medical advice before use.

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Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide and Testosterone: Interactions, Safety, and UK Guidance

GLP-1 Brands

min read

Retatrutide and Testosterone: Interactions, Safety, and UK Guidance

Can you take retatrutide with testosterone? Explore the potential interactions, hormonal effects, safety considerations, and UK clinical guidance on using these two treatments together.

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

GLP-1 Brands

min read

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

Retatrutide peptide vs tesamorelin: understand how these two compounds differ in mechanism, clinical evidence, safety, and UK regulatory status before considering either option.

Cagri Peptide With Retatrutide: UK Evidence, Safety and Availability

GLP-1 Brands

min read

Cagri Peptide With Retatrutide: UK Evidence, Safety and Availability

Cagri peptide with retatrutide explained: how these investigational obesity medicines work, what the clinical evidence shows, UK safety guidance, and how to access treatments through regulated NHS pathways.

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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

Erectile Dysfunction

min read

Does Nattokinase Help with Erectile Dysfunction? Evidence Review

Does nattokinase help with erectile dysfunction? Discover what the clinical evidence actually shows about this supplement, its safety considerations, and the proven treatments recommended by NICE for ED.

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Testosterone

min read

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Calorie deficit effect on testosterone explained — learn how energy restriction affects hormone levels, warning signs to watch for, and evidence-based steps to protect testosterone while losing weight safely.

Testosterone

min read

Will Your Clitoris Stay the Same After Stopping Testosterone Treatment?

Will your clitoris stay the same after stopping testosterone treatment? Discover what happens to clitoral size, sensitivity, and function when testosterone therapy ends, which changes persist, and when to seek medical advice.

Will Erectile Strength Last on Testogel? UK Medical Guidance

Testosterone

min read

Will Erectile Strength Last on Testogel? UK Medical Guidance

Will erectile benefits from Testogel last long-term? Discover how testosterone gel affects erectile function, what influences sustained results, when to expect changes, and how to maintain benefits safely under UK medical guidance.

Effect of CKD on HbA1c: Reliability, Alternatives, and Clinical Guidance

Weight Loss

min read

Effect of CKD on HbA1c: Reliability, Alternatives, and Clinical Guidance

The effect of CKD on HbA1c can cause falsely low readings, masking poor glycaemic control. Learn why HbA1c is unreliable in kidney disease, what alternatives exist, and how NICE guidance shapes management.

Retatrutide: The Three Receptors It Targets and Why It Matters

GLP-1 Brands

min read

Retatrutide: The Three Receptors It Targets and Why It Matters

Retatrutide affects three receptors: GLP-1R, GIPR, and GCGR. Learn how each receptor contributes to weight loss and metabolism, how retatrutide compares to semaglutide and tirzepatide, and what UK patients need to know about its development status.

Ozempic and Alcohol Nausea: Causes, Management and Safety

GLP-1 Brands

min read

Ozempic and Alcohol Nausea: Causes, Management and Safety

Discover why Ozempic and alcohol may cause nausea together, how to manage symptoms effectively, and when to seek medical advice. Expert UK guidance on safe alcohol consumption whilst taking semaglutide for type 2 diabetes.

Bad Cholesterol but Good HbA1c: What Your Results Really Mean

Weight Loss

min read

Bad Cholesterol but Good HbA1c: What Your Results Really Mean

Bad cholesterol but good HbA1c? Find out what high LDL with a normal HbA1c means for your heart health, what NHS and NICE guidance recommends, and when to see your GP.

Recommended Amount of B12: UK Daily Requirements Explained

Supplements

min read

Recommended Amount of B12: UK Daily Requirements Explained

Discover the recommended amount of B12 for adults, children, and at-risk groups in the UK. Learn why this essential vitamin matters, how to meet your daily requirements through diet or supplements, and recognise deficiency signs before complications arise.

Can Pre-eclampsia Cause Fatty Liver? UK Medical Guide

Weight Loss

min read

Can Pre-eclampsia Cause Fatty Liver? UK Medical Guide

Can pre-eclampsia cause fatty liver during pregnancy? Discover how pre-eclampsia affects the liver, the difference between pre-eclampsia and acute fatty liver of pregnancy, warning signs to watch for, and UK treatment guidelines.

Plant Based Intermittent Fasting: Benefits, Risks, and UK Guidance

Weight Loss

min read

Plant Based Intermittent Fasting: Benefits, Risks, and UK Guidance

Plant based intermittent fasting explained: discover the evidence, health benefits, nutritional risks, and UK NHS and NICE guidance to help you fast safely on a plant-based diet.

Erectile Dysfunction

min read

Does Peroxide Help with Erectile Dysfunction? Evidence and Risks

Does peroxide help with erectile dysfunction? Discover why hydrogen peroxide is not an approved ED treatment, the serious risks it poses, and which evidence-based NHS treatments actually work for erectile dysfunction.

Does Tadalafil Make You Sleepy? UK Clinical Guidance

Erectile Dysfunction

min read

Does Tadalafil Make You Sleepy? UK Clinical Guidance

Does tadalafil make you sleepy? Discover whether this PDE5 inhibitor causes drowsiness, what the MHRA-approved data shows, and when tiredness may occur. Expert UK clinical guidance on tadalafil side effects and safety.

Testosterone

min read

How Long for Testosterone Treatment to Wear Off: UK Guide

How long for testosterone treatment to wear off? Discover the timeline for testosterone levels to decline after stopping TRT, factors affecting recovery, symptoms to expect, and practical management strategies for UK patients.

Hair Loss

min read

Paediatric Dermatologist for Hair Loss: Causes, Referral and NHS Treatment

Paediatric dermatologist for hair loss in children — learn about common causes, when to seek a specialist referral, NHS diagnosis and treatment options, and how to support your child's wellbeing.

Erectile Dysfunction

min read

Does Furosemide Cause Erectile Dysfunction? Evidence and Management

Does furosemide cause erectile dysfunction? Discover the evidence, mechanisms, and NHS-approved management strategies for sexual side effects whilst taking this essential heart and kidney medication.

Glycated Haemoglobin HbA1c 6.0%: What This Abnormal Result Means

Weight Loss

min read

Glycated Haemoglobin HbA1c 6.0%: What This Abnormal Result Means

Glycated haemoglobin HbA1c 6.0% is abnormal by NHS standards, sitting at the lower boundary of prediabetes. Learn what this means, what affects your result, and what NICE recommends you do next.

Supplements

min read

Vitamin B12 Absorption Timing: When to Take Supplements

Discover how vitamin B12 absorption timing affects supplement effectiveness. Learn the best time to take B12, whether food matters, and how quickly levels increase with evidence-based UK guidance.

Mounjaro

min read

How Often Should You Increase Mounjaro? Dosing Guide

Discover how often you should increase Mounjaro (tirzepatide) doses safely. Expert guidance on the four-week escalation schedule, what to expect during dose increases, and when to seek medical advice for type 2 diabetes treatment.

Bolt Guides

Featured

Wegovy Pill UK: Licensing, Eligibility, Safety and Oral Alternatives

Weight loss

Non-Invasive Blood Glucose Meters: UK Evidence, Regulation & Guidance

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Is Diarrhoea Normal After Gastric Sleeve? Causes and Recovery Tips

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide and Testosterone: Interactions, Safety, and UK Guidance

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

Cagri Peptide With Retatrutide: UK Evidence, Safety and Availability

Men’s Health

Testosterone

Erectile dysfunction

Does Nattokinase Help with Erectile Dysfunction? Evidence Review

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Will Your Clitoris Stay the Same After Stopping Testosterone Treatment?

Will Erectile Strength Last on Testogel? UK Medical Guidance

Browse all

Effect of CKD on HbA1c: Reliability, Alternatives, and Clinical Guidance

Retatrutide: The Three Receptors It Targets and Why It Matters

Ozempic and Alcohol Nausea: Causes, Management and Safety

Bad Cholesterol but Good HbA1c: What Your Results Really Mean

Recommended Amount of B12: UK Daily Requirements Explained

Can Pre-eclampsia Cause Fatty Liver? UK Medical Guide

Plant Based Intermittent Fasting: Benefits, Risks, and UK Guidance

Does Peroxide Help with Erectile Dysfunction? Evidence and Risks

Does Tadalafil Make You Sleepy? UK Clinical Guidance

How Long for Testosterone Treatment to Wear Off: UK Guide

Paediatric Dermatologist for Hair Loss: Causes, Referral and NHS Treatment

Does Furosemide Cause Erectile Dysfunction? Evidence and Management

Glycated Haemoglobin HbA1c 6.0%: What This Abnormal Result Means

Vitamin B12 Absorption Timing: When to Take Supplements

How Often Should You Increase Mounjaro? Dosing Guide

Personalized weight management for women