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.

Does Intermittent Fasting Lower HbA1c? Evidence and UK Guidance

Weight Loss

min read

Does Intermittent Fasting Lower HbA1c? Evidence and UK Guidance

Does intermittent fasting lower HbA1c? Explore the clinical evidence, NHS and NICE guidance, safety considerations, and practical steps for managing blood sugar through fasting in the UK.

Hair Loss

min read

Moth-Eaten Hair Loss: Causes, Symptoms, and NHS Treatments

Moth-eaten hair loss can signal secondary syphilis or other serious conditions. Learn what causes this patchy pattern, when to see a GP, and what NHS treatments are available.

Does Lexapro Cause Gynaecomastia? Escitalopram, Cipralex & Breast Changes

Weight Loss

min read

Does Lexapro Cause Gynaecomastia? Escitalopram, Cipralex & Breast Changes

Does Lexapro (escitalopram/Cipralex) cause gynaecomastia? Learn what UK guidance says, the theoretical hormonal mechanism, how common it is, and when to see your GP.

Gynecomastia Surgery for Bodybuilders: UK Guide to Treatment

Weight Loss

min read

Gynecomastia Surgery for Bodybuilders: UK Guide to Treatment

Gynecomastia surgery for bodybuilders explained: causes, surgical options, UK costs, recovery timelines, and how to find a qualified plastic surgeon. Read our expert guide.

When to Take Zinc: Morning or Night for Best Results

Supplements

min read

When to Take Zinc: Morning or Night for Best Results

Discover the best time to take zinc supplements—morning or night—and how timing affects absorption and tolerability. Learn about dosage, food interactions, and safety considerations for optimal zinc supplementation with evidence-based UK guidance.

Body Aches in a Calorie Deficit: Causes, Deficiencies and NHS Advice

Weight Loss

min read

Body Aches in a Calorie Deficit: Causes, Deficiencies and NHS Advice

Body aches in a calorie deficit can be caused by muscle breakdown, glycogen depletion, and nutritional deficiencies. Learn the causes, red flag symptoms, and NHS-backed advice on safe dieting.

Can Vitamin D Cause Diarrhea? Symptoms & Safe Doses

Supplements

min read

Can Vitamin D Cause Diarrhea? Symptoms & Safe Doses

Learn how vitamin D can cause diarrhea, recognize overdose symptoms, understand NHS safe dosage limits, and know when to seek medical help.

SGLT2 Inhibitors for Type 2 Diabetes: UK Guide

Weight Loss

min read

SGLT2 Inhibitors for Type 2 Diabetes: UK Guide

Learn how SGLT2 inhibitors work, who can take them, contraindications, and NICE-recommended options including dapagliflozin and empagliflozin.

Weight Loss

min read

GLP-1 Probiotics for Weight Loss: Evidence and NHS Guidance

Discover the truth about GLP-1 probiotics for weight loss. Learn how they differ from prescription medications, review the clinical evidence, understand safety considerations, and explore NHS-approved weight management treatments backed by NICE guidance.

Wegovy

min read

Can You Take Ashwagandha with Wegovy? Safety Guide

Can you take ashwagandha with Wegovy safely? Explore potential interactions, safety considerations, and when to consult your GP about combining this herbal supplement with semaglutide for weight management.

Does Rybelsus Cause Vomiting? Causes & Management

GLP-1 Brands

min read

Does Rybelsus Cause Vomiting? Causes & Management

Rybelsus can cause vomiting due to delayed gastric emptying. Learn how common it is, why it happens, and how to manage it — with UK guidance for patients.

Adiponectin and Visceral Fat: Risks, Assessment, and Lifestyle Solutions

Weight Loss

min read

Adiponectin and Visceral Fat: Risks, Assessment, and Lifestyle Solutions

Adiponectin and visceral fat have a critical inverse relationship linked to type 2 diabetes and heart disease. Learn how visceral fat suppresses adiponectin, what the health risks are, and how lifestyle changes can help — with UK NHS and NICE guidance.

Melatonin After Gastric Sleeve: UK Safety Guide and Prescribing Advice

Weight Loss

min read

Melatonin After Gastric Sleeve: UK Safety Guide and Prescribing Advice

Can you take melatonin after gastric sleeve surgery? Learn about UK prescribing rules, absorption changes, drug interactions, safe formulations, and when to seek advice from your bariatric team.

Cannabis and Fatty Liver Disease: Evidence, Risks and UK Guidance

Weight Loss

min read

Cannabis and Fatty Liver Disease: Evidence, Risks and UK Guidance

Discover the latest evidence on cannabis and fatty liver disease, including potential risks, what research shows, and how to discuss cannabis use with your GP. UK-focused guidance for patients with liver conditions.

Erectile Dysfunction

min read

Does Bromide Cause Erectile Dysfunction? Evidence and Guidance

Does bromide cause erectile dysfunction? Discover what the evidence shows about bromide and sexual function, which medications can affect erections, and when to seek medical advice for erectile difficulties.

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

Does Intermittent Fasting Lower HbA1c? Evidence and UK Guidance

Moth-Eaten Hair Loss: Causes, Symptoms, and NHS Treatments

Does Lexapro Cause Gynaecomastia? Escitalopram, Cipralex & Breast Changes

Gynecomastia Surgery for Bodybuilders: UK Guide to Treatment

When to Take Zinc: Morning or Night for Best Results

Body Aches in a Calorie Deficit: Causes, Deficiencies and NHS Advice

Can Vitamin D Cause Diarrhea? Symptoms & Safe Doses

SGLT2 Inhibitors for Type 2 Diabetes: UK Guide

GLP-1 Probiotics for Weight Loss: Evidence and NHS Guidance

Can You Take Ashwagandha with Wegovy? Safety Guide

Does Rybelsus Cause Vomiting? Causes & Management

Adiponectin and Visceral Fat: Risks, Assessment, and Lifestyle Solutions

Melatonin After Gastric Sleeve: UK Safety Guide and Prescribing Advice

Cannabis and Fatty Liver Disease: Evidence, Risks and UK Guidance

Does Bromide Cause Erectile Dysfunction? Evidence and Guidance