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.

GLP-1 Agonist Allergic Reactions: Symptoms, Risks and Alternatives

Weight Loss

min read

GLP-1 Agonist Allergic Reactions: Symptoms, Risks and Alternatives

Learn about GLP-1 agonist allergic reactions, including symptoms, risk factors, and what to do if you experience a reaction. Expert guidance on recognising mild to severe responses and exploring safe alternatives.

Weight Loss

min read

Gastric Band or Bypass: UK Guide to Weight Loss Surgery

Gastric band or bypass — find out how each procedure works, who qualifies on the NHS, what risks to expect, and how weight loss outcomes compare. Expert UK guidance.

Hair Loss

min read

Does High Cholesterol Cause Hair Loss? What the Evidence Shows

Does high cholesterol cause hair loss? Learn what the evidence shows, how cholesterol-lowering medicines like statins may affect hair, and when to see your GP.

How Much Zinc Is Too Much for a Woman? UK Safe Limits

Supplements

min read

How Much Zinc Is Too Much for a Woman? UK Safe Limits

Discover how much zinc is too much for women in the UK. Learn about safe upper limits (25 mg/day), toxicity symptoms, health risks of excessive intake, and evidence-based supplementation guidance to protect your health.

Can Coeliac Disease Cause Fatty Liver? UK Guide

Weight Loss

min read

Can Coeliac Disease Cause Fatty Liver? UK Guide

Can coeliac disease cause fatty liver? Discover how coeliac disease affects liver function, the link to MASLD, symptoms to watch for, and how a gluten-free diet can reverse liver enzyme abnormalities. Expert UK guidance included.

Saxenda and High Triglycerides: UK Clinical Guidance

GLP-1 Brands

min read

Saxenda and High Triglycerides: UK Clinical Guidance

Discover how Saxenda affects high triglycerides through weight loss. Expert UK guidance on clinical evidence, safety considerations, monitoring requirements, and when specialist referral is needed for patients with elevated triglyceride levels.

Mounjaro

min read

How to Stop Mounjaro Safely: UK Clinical Guidance

Learn how to come off Mounjaro safely. UK clinical advice on tapering, managing blood glucose after stopping, and reducing the risk of weight regain.

Best Magnesium for Constipation: UK Guide to Safe Relief

Supplements

min read

Best Magnesium for Constipation: UK Guide to Safe Relief

Discover the best magnesium for constipation relief in the UK. Learn which magnesium preparations are licensed for constipation, how they work, recommended dosages, safety considerations, and when to consult your GP for persistent bowel problems.

Fatty Liver at Age 30: Causes, Symptoms and Treatment

Weight Loss

min read

Fatty Liver at Age 30: Causes, Symptoms and Treatment

Discover why fatty liver disease at age 30 is on the rise in the UK. Learn about causes, symptoms, diagnosis, treatment options, and evidence-based lifestyle changes to protect your liver health in your thirties.

Saxenda and Hormones: Periods, PCOS & More

GLP-1 Brands

min read

Saxenda and Hormones: Periods, PCOS & More

Find out how Saxenda affects your hormones, including periods and PCOS. UK medical guide covering GLP-1, fertility, and when to seek advice.

Low Omega-3 Symptoms: Signs, Risks and How to Increase Intake

Supplements

min read

Low Omega-3 Symptoms: Signs, Risks and How to Increase Intake

Discover the key low omega-3 symptoms, including dry skin, poor concentration, and mood changes. Learn who's at risk, how deficiency affects your health, and safe ways to boost omega-3 intake through diet and supplements with UK NHS guidance.

Zinc and Gynaecomastia: What the Evidence Shows

Supplements

min read

Zinc and Gynaecomastia: What the Evidence Shows

Can zinc really reduce gynaecomastia? Explore the clinical evidence, how zinc affects hormone balance, and which NHS-recognised treatments may help.

Erectile Dysfunction

min read

Does Belly Fat Cause Erectile Dysfunction? Evidence and Solutions

Does belly fat cause erectile dysfunction? Discover the proven link between abdominal obesity and ED, how visceral fat affects sexual function through vascular and hormonal pathways, and evidence-based strategies for improvement including weight loss and lifestyle modification.

Where to Inject Trulicity: Safe Injection Sites and Technique Guide

GLP-1 Brands

min read

Where to Inject Trulicity: Safe Injection Sites and Technique Guide

Discover where to inject Trulicity safely and effectively. Learn about approved injection sites—abdomen, thigh, and upper arm—plus expert guidance on technique, site rotation, and managing reactions for optimal type 2 diabetes management.

Can Herbalife Cause Fatty Liver? Evidence and Safety Guidance

Weight Loss

min read

Can Herbalife Cause Fatty Liver? Evidence and Safety Guidance

Can Herbalife cause fatty liver? Explore the evidence on Herbalife and liver health, including documented cases of liver injury, symptoms to watch for, and safe supplement use guidance from UK medical experts.

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

GLP-1 Agonist Allergic Reactions: Symptoms, Risks and Alternatives

Gastric Band or Bypass: UK Guide to Weight Loss Surgery

Does High Cholesterol Cause Hair Loss? What the Evidence Shows

How Much Zinc Is Too Much for a Woman? UK Safe Limits

Can Coeliac Disease Cause Fatty Liver? UK Guide

Saxenda and High Triglycerides: UK Clinical Guidance

How to Stop Mounjaro Safely: UK Clinical Guidance

Best Magnesium for Constipation: UK Guide to Safe Relief

Fatty Liver at Age 30: Causes, Symptoms and Treatment

Saxenda and Hormones: Periods, PCOS & More

Low Omega-3 Symptoms: Signs, Risks and How to Increase Intake

Zinc and Gynaecomastia: What the Evidence Shows

Does Belly Fat Cause Erectile Dysfunction? Evidence and Solutions

Where to Inject Trulicity: Safe Injection Sites and Technique Guide

Can Herbalife Cause Fatty Liver? Evidence and Safety Guidance