Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

The Wegovy pill (oral semaglutide) is now MHRA-approved in the UK. Who can take it, the dosing schedule, how to take it, and how it compares with the injection.

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Weight loss

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Weight Loss

min read

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

How alcohol interacts with UK weight loss medications including Wegovy, the oral Wegovy pill, Mysimba and orlistat: key risks and when to seek advice.

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Weight Loss

min read

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Bio-Rad HPLC HbA1c testing explained: how ion-exchange chromatography works, NHS laboratory use, NICE diagnostic thresholds, haemoglobin variant interference, and MHRA compliance guidance.

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Weight Loss

min read

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Gastric sleeve surgery explained: how sleeve gastrectomy works, NHS eligibility criteria, what to expect before and after surgery, risks, and long-term outcomes. Evidence-based UK guidance.

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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.

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GLP-1 Brands

min read

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Is Rybelsus a good weight loss pill? How oral semaglutide compares to the new Wegovy pill (25 mg), the evidence, side effects, and UK prescribing guidance.

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Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

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.

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.

How to Eat on Retatrutide: UK Dietary and Safety Guide

GLP-1 Brands

min read

How to Eat on Retatrutide: UK Dietary and Safety Guide

How to eat on retatrutide: expert UK dietary guidance covering meal patterns, foods to prioritise, managing nausea, and staying well-nourished during treatment. Read now.

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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 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

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Does testosterone treatment cause hunger? Discover how TRT may influence appetite, the mechanisms involved, and practical strategies to manage hunger changes during testosterone therapy in the UK.

Can Testogel Make You Lethargic? Causes and Management

Testosterone

min read

Can Testogel Make You Lethargic? Causes and Management

Can Testogel make you feel tired? Discover why testosterone replacement therapy may cause lethargy, key warning signs to watch for, and evidence-based strategies to manage fatigue during TRT in the UK.

Testosterone

min read

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can testosterone treatments cause swollen feet? Discover how TRT affects fluid retention, when to seek medical advice, management strategies, and alternative causes of peripheral oedema during testosterone therapy.

Should CoQ10 Be Taken With Food? UK Guidance on Absorption

Supplements

min read

Should CoQ10 Be Taken With Food? UK Guidance on Absorption

Should CoQ10 be taken with food? Discover why taking coenzyme Q10 with meals containing fat significantly improves absorption, plus expert guidance on optimal timing, dosage, and administration for UK patients.

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.

Can I Eat Pizza with Fatty Liver? UK Guidance

Weight Loss

min read

Can I Eat Pizza with Fatty Liver? UK Guidance

Can I eat pizza with fatty liver disease? Discover how portion control, healthier toppings, and wholegrain bases allow occasional pizza whilst supporting liver health. Expert UK guidance on NAFLD-friendly dietary choices.

Calorie Deficit Macro Split: Evidence-Based Guide for Fat Loss

Weight Loss

min read

Calorie Deficit Macro Split: Evidence-Based Guide for Fat Loss

Discover the optimal calorie deficit macro split for effective fat loss. Learn evidence-based protein, carbohydrate, and fat ratios to preserve muscle, enhance satiety, and achieve sustainable weight loss aligned with UK clinical guidance.

NAD Injection Side Effects: Risks, Safety and UK Guidance

Supplements

min read

NAD Injection Side Effects: Risks, Safety and UK Guidance

Discover the side effects of NAD injections, from common reactions to serious risks. Learn who should avoid treatment and understand UK regulatory status for this unlicensed therapy.

Does Saxenda Cause Water Retention? UK Clinical Evidence

GLP-1 Brands

min read

Does Saxenda Cause Water Retention? UK Clinical Evidence

Does Saxenda cause water retention? Discover what UK clinical evidence reveals about liraglutide and fluid balance, common side effects to expect, and when swelling requires medical attention during weight management treatment.

Hair Loss

min read

Can Lipitor Cause Hair Loss? Atorvastatin, Alopecia & What to Do

Can Lipitor cause hair loss? Learn whether atorvastatin is linked to alopecia, what the UK evidence shows, other causes to rule out, and when to speak to your GP or pharmacist.

Alcoholic Fatty Liver Fatigue: Causes, Symptoms and Recovery

Weight Loss

min read

Alcoholic Fatty Liver Fatigue: Causes, Symptoms and Recovery

Alcoholic fatty liver fatigue explained: discover why ARLD disrupts your energy, what symptoms to look out for, when to see your GP, and how abstinence and lifestyle changes can help you recover.

Flaxseed and Omega-3 Fatty Acids: Benefits and Safety

Supplements

min read

Flaxseed and Omega-3 Fatty Acids: Benefits and Safety

Discover how flaxseed and omega-3 fatty acids support your health. Learn about ALA conversion, recommended daily intake, cardiovascular benefits, and essential safety considerations for this plant-based omega-3 source.

Medical Paper Tape Allergy: Symptoms, Diagnosis and NHS Treatment

Supplements

min read

Medical Paper Tape Allergy: Symptoms, Diagnosis and NHS Treatment

Medical paper tape allergy: learn to recognise symptoms, understand the difference between irritant and allergic reactions, and find NHS-aligned advice on diagnosis, treatment, and when to seek help.

Does CoQ10 Help with Weight Loss? Evidence Review

Supplements

min read

Does CoQ10 Help with Weight Loss? Evidence Review

Does CoQ10 help with weight loss? Discover what clinical evidence reveals about CoQ10 supplementation for weight management, its role in metabolism, and evidence-based approaches to healthy weight loss.

Botox and Fatty Liver: Safety, Risks and Medical Guidance

Weight Loss

min read

Botox and Fatty Liver: Safety, Risks and Medical Guidance

Can you have Botox if you have fatty liver disease? Discover the safety considerations, medical guidance, and when to consult your GP before Botox treatment with hepatic steatosis or NASH.

Fish Oil: Benefits, Side Effects & How Much to Take

Supplements

min read

Fish Oil: Benefits, Side Effects & How Much to Take

Discover what fish oil actually does, its side effects, omega-3 benefits, and how much to take daily. Evidence-based UK guidance to help you decide.

Saxenda and Sertraline: Safe to Take Together?

GLP-1 Brands

min read

Saxenda and Sertraline: Safe to Take Together?

No known interaction between Saxenda and sertraline, but there are important safety points to review with your GP before combining these medicines.

Paxlovid and Allergy Medication: Interactions, Risks, and UK Guidance

Supplements

min read

Paxlovid and Allergy Medication: Interactions, Risks, and UK Guidance

Paxlovid and allergy medication interactions explained — find out which antihistamines, inhaled corticosteroids, and asthma treatments are affected, and when to seek NHS advice.

Bolt Guides

Featured

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

Weight loss

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

GLP-1 Brands

Wegovy

Mounjaro

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide in Pill Form: What UK Patients Need to Know

How to Eat on Retatrutide: UK Dietary and Safety Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Can Testogel Make You Lethargic? Causes and Management

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Browse all

Should CoQ10 Be Taken With Food? UK Guidance on Absorption

Does Wegovy Cause Hot Flushes? UK Evidence and Guidance

Can I Eat Pizza with Fatty Liver? UK Guidance

Calorie Deficit Macro Split: Evidence-Based Guide for Fat Loss

NAD Injection Side Effects: Risks, Safety and UK Guidance

Does Saxenda Cause Water Retention? UK Clinical Evidence

Can Lipitor Cause Hair Loss? Atorvastatin, Alopecia & What to Do

Alcoholic Fatty Liver Fatigue: Causes, Symptoms and Recovery

Flaxseed and Omega-3 Fatty Acids: Benefits and Safety

Medical Paper Tape Allergy: Symptoms, Diagnosis and NHS Treatment

Does CoQ10 Help with Weight Loss? Evidence Review

Botox and Fatty Liver: Safety, Risks and Medical Guidance

Fish Oil: Benefits, Side Effects & How Much to Take

Saxenda and Sertraline: Safe to Take Together?

Paxlovid and Allergy Medication: Interactions, Risks, and UK Guidance