Bolt Guides

How do weight loss pills work? Discover the science behind UK-licensed anti-obesity medications including orlistat and semaglutide, NHS eligibility criteria, side effects, and how to talk to your GP.

Weight Loss

min read

Weight Loss Pills & Shakes: UK Safety Guide

Orlistat, meal replacement shakes and the new oral Wegovy pill: NHS-aligned guidance on evidence, MHRA safety, side effects and when to see your GP.

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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

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

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

GLP-1 Brands

min read

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

Weight loss pill naltrexone (Mysimba) explained: how it works, who qualifies, dosage and side effects, plus how it compares with the new oral Wegovy pill.

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

GLP-1 Brands

min read

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

1 month retatrutide results explained: what Phase 2 trial data shows about early weight loss, common side effects, realistic expectations, and UK regulatory status in 2025.

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.

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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 Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

Does ibuprofen affect erectile dysfunction? Explore the evidence on NSAIDs and ED, understand established causes of erectile problems, learn which medications can impact sexual function, and discover when to seek medical advice from your GP.

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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.

Testosterone

min read

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

Can you take testosterone after prostate cancer treatment? Discover current UK guidance, eligibility criteria, risks and benefits, and essential monitoring requirements for testosterone replacement therapy following prostate cancer.

What Will 3 Days Without Testogel Do to Me?

Testosterone

min read

What Will 3 Days Without Testogel Do to Me?

What will 3 days without Testogel do to me? Discover how missing doses affects testosterone levels, what symptoms to expect within 72 hours, when to contact your GP, and how to safely resume treatment for hypogonadism.

Saxenda and Crohn's Disease: Safety, Risks and Clinical Guidance

GLP-1 Brands

min read

Saxenda and Crohn's Disease: Safety, Risks and Clinical Guidance

Can Saxenda be used safely in patients with Crohn's disease? Explore the risks, gastrointestinal side effects, clinical guidance, and alternative weight management options for people with inflammatory bowel disease.

Fatty Spots on Liver: Causes, Symptoms and Treatment

Weight Loss

min read

Fatty Spots on Liver: Causes, Symptoms and Treatment

Discover what fatty spots on the liver mean, why they develop, and how to manage this common condition. Learn about symptoms, diagnosis, and evidence-based lifestyle changes that can prevent progression to serious liver disease.

Is Biotin Good for Fatty Liver? Evidence and Treatment

Weight Loss

min read

Is Biotin Good for Fatty Liver? Evidence and Treatment

Is biotin good for fatty liver disease? Discover what the evidence says about biotin supplementation for NAFLD, plus proven treatments and safety considerations for managing hepatic steatosis.

1% HbA1c Reduction and Diabetic Retinopathy: Evidence and NHS Guidance

Weight Loss

min read

1% HbA1c Reduction and Diabetic Retinopathy: Evidence and NHS Guidance

A 1% HbA1c reduction can cut diabetic retinopathy risk by around 37%. Discover the evidence, NICE targets, and NHS screening guidance to protect your sight.

Mounjaro

min read

Where to Inject Mounjaro for Less Side Effects: UK Guide

Discover where to inject Mounjaro for less side effects. Learn about recommended UK injection sites, proper technique, site rotation, and evidence-based strategies to minimise nausea and local reactions with tirzepatide treatment.

Can Fatty Liver Affect Eyes? Connection and Symptoms Explained

Weight Loss

min read

Can Fatty Liver Affect Eyes? Connection and Symptoms Explained

Can fatty liver affect eyes? Discover the indirect connection between fatty liver disease and vision problems, including diabetic retinopathy, jaundice, and when to seek medical advice for eye symptoms related to liver health.

Gynaecomastia Surgery Under Local Anaesthesia: UK Patient Guide

Weight Loss

min read

Gynaecomastia Surgery Under Local Anaesthesia: UK Patient Guide

Can gynaecomastia surgery be done under local anaesthesia? Find out which patients are suitable, what the procedure involves, risks to consider, and how to access NHS or private treatment in the UK.

Weight Loss

min read

Peptide Pills for Weight Loss: Evidence, Risks and NHS Options

Peptide pills for weight loss are widely marketed but poorly regulated in the UK. Discover what the evidence really shows, which treatments are NHS-approved, and when to see your GP.

How Quickly Does Testogel Work? Timeline and What to Expect

Testosterone

min read

How Quickly Does Testogel Work? Timeline and What to Expect

Discover how quickly Testogel works for testosterone replacement therapy. Learn the timeline for improvements in energy, mood, sexual function, and body composition, plus essential monitoring and safety guidance for UK patients.

Ulcer After Gastric Sleeve: Causes, Symptoms and NHS Treatment

Weight Loss

min read

Ulcer After Gastric Sleeve: Causes, Symptoms and NHS Treatment

Ulcer after gastric sleeve surgery: discover why staple-line ulcers develop, how to recognise symptoms, NHS treatment options including PPI therapy, and when to seek urgent medical advice.

Type 2 Diabetes Stomach Pain: Causes, Medications & When to Seek Help

Weight Loss

min read

Type 2 Diabetes Stomach Pain: Causes, Medications & When to Seek Help

Discover the causes of type 2 diabetes stomach pain, from medication side effects to serious complications. Learn when to seek urgent help, how diabetes medications affect digestion, and practical management strategies for abdominal discomfort.

How Much Zinc Should I Take: UK Dosage Guide

Supplements

min read

How Much Zinc Should I Take: UK Dosage Guide

Discover how much zinc you should take daily based on UK guidance. Learn about recommended intakes for adults, children, pregnancy, deficiency symptoms, supplement safety, maximum doses, and when to consult your GP about zinc supplementation.

Supplements

min read

B12 vs B Complex: Which Vitamin Supplement Should You Take?

B12 vs B complex: understand the key differences, when to take each supplement, and which is right for your health needs. Expert UK guidance on vitamin B supplementation, deficiency risks, and safe use.

Weight Loss

min read

Safe Weight Loss Pills in the UK: Approved Options and NHS Guidance

Looking for a safe weight loss pill in the UK? Discover which MHRA-approved medicines are available on the NHS, who qualifies, potential side effects, and how to access treatment safely through a regulated provider.

Mounjaro

min read

Mounjaro and Vitamin C: Safety, Interactions, and Guidance

Can you take Mounjaro and vitamin C together? Discover the safety, potential interactions, and expert guidance on combining tirzepatide with vitamin C supplements for type 2 diabetes management.

Bolt Guides

Featured

Oral Incretin Mimetics Available in the UK

Weight loss

Oral Incretin Mimetics Available in the UK

How Weight Loss Pills Work: UK Guide to Anti-Obesity Medications

Weight Loss Pills & Shakes: UK Safety Guide

GLP-1 Brands

Wegovy

Mounjaro

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

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

What Will 3 Days Without Testogel Do to Me?

Browse all

Saxenda and Crohn's Disease: Safety, Risks and Clinical Guidance

Fatty Spots on Liver: Causes, Symptoms and Treatment

Is Biotin Good for Fatty Liver? Evidence and Treatment

1% HbA1c Reduction and Diabetic Retinopathy: Evidence and NHS Guidance

Where to Inject Mounjaro for Less Side Effects: UK Guide

Can Fatty Liver Affect Eyes? Connection and Symptoms Explained

Gynaecomastia Surgery Under Local Anaesthesia: UK Patient Guide

Peptide Pills for Weight Loss: Evidence, Risks and NHS Options

How Quickly Does Testogel Work? Timeline and What to Expect

Ulcer After Gastric Sleeve: Causes, Symptoms and NHS Treatment

Type 2 Diabetes Stomach Pain: Causes, Medications & When to Seek Help

How Much Zinc Should I Take: UK Dosage Guide

B12 vs B Complex: Which Vitamin Supplement Should You Take?

Safe Weight Loss Pills in the UK: Approved Options and NHS Guidance

Mounjaro and Vitamin C: Safety, Interactions, and Guidance

Personalized weight management for women