Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Switching from Wegovy injection to pill? Learn how the UK-approved transition from 2.4 mg weekly injections to 25 mg daily tablets works, who it suits, and what to expect.

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Weight loss

Read all on weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

Weight Loss

min read

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

POTS after bariatric surgery: understand why it develops, how to recognise symptoms, NHS treatment options, lifestyle adjustments, and when to seek urgent medical advice.

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.

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

Weight Loss

min read

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

How to reverse a 5.8% HbA1c with NHS-backed diet, exercise, and lifestyle advice. Understand what your result means, how long changes take, and when to see your GP.

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

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide injections explained: learn how this investigational triple agonist is administered in clinical trials, including technique, dosing, storage, and UK safety guidance.

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Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

GLP-1 Brands

min read

Retatrutide: What It Is Made Of and How It Works

Retatrutide is a synthetic triple receptor agonist peptide targeting GLP-1, GIP, and glucagon receptors. Learn how it works, what it's made of, and its current UK regulatory status.

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

GLP-1 Brands

min read

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Feeling cold on retatrutide? Learn why this happens, how common it is in clinical trials, when to seek medical advice, and practical tips to manage cold sensations safely.

Retatrutide in Pill Form: What UK Patients Need to Know

GLP-1 Brands

min read

Retatrutide in Pill Form: What UK Patients Need to Know

Can you get retatrutide in pill form? Find out why no oral version exists yet, how peptide medicines work, and which licensed weight loss treatments are available in the UK right now.

Read all on GLP-1 brands

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

Does Rybelsus Cause Erectile Dysfunction?

Rybelsus is not listed as a cause of erectile dysfunction. Explore the UK evidence on semaglutide and sexual health, and how to manage ED with diabetes.

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Testosterone

min read

How to Treat Rash From Testosterone Treatment: Expert Guide

Discover how to treat rash from testosterone treatment with expert guidance on identifying skin reactions, immediate management steps, medical treatments, and prevention strategies to continue TRT safely and comfortably.

Testosterone

min read

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

Does testosterone treatment cause muscle pain? Discover the evidence on muscle discomfort during TRT, including causes, when to seek help, and how to manage symptoms safely. Expert UK guidance for patients and clinicians.

How Much Testogel Should a Man Use? UK Dosage Guide

Testosterone

min read

How Much Testogel Should a Man Use? UK Dosage Guide

How much Testogel should a man use? Discover recommended starting doses, how to adjust treatment based on testosterone levels, proper application techniques, and essential safety guidance for men prescribed this testosterone replacement therapy in the UK.

H. Pylori and Gastric Sleeve Surgery: UK Testing and Treatment Guide

Weight Loss

min read

H. Pylori and Gastric Sleeve Surgery: UK Testing and Treatment Guide

H. pylori and gastric sleeve surgery: understand why pre-operative testing matters, what UK NHS guidelines recommend, how eradication works, and what follow-up care involves after sleeve gastrectomy.

Retinol and Vitamin K: Safety, Benefits and How to Use Together

Supplements

min read

Retinol and Vitamin K: Safety, Benefits and How to Use Together

Can you safely combine retinol and vitamin K in your skincare routine? Discover the evidence-based benefits, potential interactions, safety precautions and expert guidance on using these ingredients together for optimal skin health.

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Supplements

min read

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Astelin prescription allergy medication (azelastine nasal spray) explained: how it works, UK prescribing guidance, dosing, side effects, drug interactions, and NHS alternatives for allergic rhinitis.

Which Form of Zinc Is Best Absorbed? UK Guide

Supplements

min read

Which Form of Zinc Is Best Absorbed? UK Guide

Discover which form of zinc is best absorbed by the body. Compare zinc gluconate, citrate, picolinate, and other formulations for bioavailability, tolerability, and optimal supplementation strategies aligned with UK guidance.

Cost

min read

Wegovy Pill Cost UK: Private Prices, Doses and What to Expect

Wegovy pill cost in the UK starts from around £70–£100 per month at lower doses, rising to £180–£200 at maintenance strength. Find out what affects private prescription prices, how to compare providers, and what a full year of treatment could cost.

Progesterone and Fatty Liver: Effects, Evidence and Management

Weight Loss

min read

Progesterone and Fatty Liver: Effects, Evidence and Management

Discover the relationship between progesterone and fatty liver disease. Learn how progesterone therapy may affect liver health, when to seek medical advice, and evidence-based management strategies for NAFLD whilst taking hormonal treatments.

Is Beetroot Extract Worth Taking? Evidence-Based UK Guide

Supplements

min read

Is Beetroot Extract Worth Taking? Evidence-Based UK Guide

Is beetroot extract worth taking? Discover the evidence-based benefits for blood pressure and exercise performance, potential side effects, who should consider it, and expert guidance on dosage and safety in this comprehensive UK medical review.

Does Saxenda Cause Erectile Dysfunction?

GLP-1 Brands

min read

Does Saxenda Cause Erectile Dysfunction?

Saxenda and erectile dysfunction explained. Learn what UK clinical evidence says about liraglutide, sexual health, and when to seek medical advice.

Wegovy

min read

Does Wegovy Cause Hot Flushes? UK Evidence and Guidance

Does Wegovy cause hot flushes? Explore the evidence on semaglutide and vasomotor symptoms, alternative causes during weight loss, practical management strategies, and when to consult your GP about side effects.

Hair Loss

min read

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

MONAT and hair loss explained: can MONAT products cause shedding? Explore the evidence, UK regulations, common hair loss causes, and NHS-recommended treatments.

Does Ozempic Slow Down Digestion? UK Clinical Guide

GLP-1 Brands

min read

Does Ozempic Slow Down Digestion? UK Clinical Guide

Does Ozempic slow down digestion? Discover how semaglutide deliberately delays gastric emptying to control blood glucose, the digestive side effects to expect, and evidence-based management strategies for UK patients.

Are Millets Good for Fatty Liver? Evidence and Dietary Guidance

Weight Loss

min read

Are Millets Good for Fatty Liver? Evidence and Dietary Guidance

Are millets good for fatty liver? Discover how these ancient whole grains may support liver health through their nutritional profile, plus evidence-based dietary strategies for managing NAFLD in line with UK clinical guidance.

Which Component Contributes Most to Total Energy Expenditure?

Weight Loss

min read

Which Component Contributes Most to Total Energy Expenditure?

Which component contributes the most to total energy expenditure? Discover why basal metabolic rate accounts for 50–70% of daily energy use, and learn how BMR, physical activity, and diet affect your metabolism and weight management strategies.

Weight Loss

min read

400 Calorie a Day Deficit: Safe Weight Loss Guide

Discover how a 400 calorie a day deficit works for safe, sustainable weight loss. Learn realistic results, health benefits, practical diet and exercise tips, and who should avoid this approach. Evidence-based NHS guidance included.

Gastric Sleeve Solids: NHS Stages & Safe Food Guide

Weight Loss

min read

Gastric Sleeve Solids: NHS Stages & Safe Food Guide

Learn when to introduce solids after gastric sleeve surgery, which foods to try first, NHS dietary stages, portion sizes, and warning signs to watch for.

Bolt Guides

Featured

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

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

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Retatrutide in Pill Form: What UK Patients Need to Know

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

How to Treat Rash From Testosterone Treatment: Expert Guide

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

How Much Testogel Should a Man Use? UK Dosage Guide

Browse all

H. Pylori and Gastric Sleeve Surgery: UK Testing and Treatment Guide

Retinol and Vitamin K: Safety, Benefits and How to Use Together

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Which Form of Zinc Is Best Absorbed? UK Guide

Wegovy Pill Cost UK: Private Prices, Doses and What to Expect

Progesterone and Fatty Liver: Effects, Evidence and Management

Is Beetroot Extract Worth Taking? Evidence-Based UK Guide

Does Saxenda Cause Erectile Dysfunction?

Does Wegovy Cause Hot Flushes? UK Evidence and Guidance

MONAT and Hair Loss: Evidence, Causes, and NHS Treatments

Does Ozempic Slow Down Digestion? UK Clinical Guide

Are Millets Good for Fatty Liver? Evidence and Dietary Guidance

Which Component Contributes Most to Total Energy Expenditure?

400 Calorie a Day Deficit: Safe Weight Loss Guide

Gastric Sleeve Solids: NHS Stages & Safe Food Guide