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.

Spicy Food After Gastric Sleeve: What You Need to Know

Weight Loss

min read

Spicy Food After Gastric Sleeve: What You Need to Know

Can you eat spicy food after gastric sleeve surgery? Learn when it is safe to reintroduce spice, what the evidence says, NHS dietary guidelines, and when to contact your bariatric team.

Hair Loss

min read

Castor Hair Oil for Hair Loss: Evidence, Safety, and UK Treatments

Castor hair oil for hair loss: find out what the evidence says, how to use it safely on your scalp, potential side effects, and which MHRA-licensed treatments are available in the UK.

How Much CoQ10 for Fertility: UK Dosage and Evidence Guide

Supplements

min read

How Much CoQ10 for Fertility: UK Dosage and Evidence Guide

Discover evidence-based guidance on CoQ10 dosage for fertility in the UK. Learn how much CoQ10 to take, when to start supplementation, safety considerations, and what the research shows for male and female reproductive health.

Erectile Dysfunction

min read

Is Erectile Dysfunction a Sign of Cancer? UK Medical Guide

Is erectile dysfunction a sign of cancer? Discover the real link between ED and cancer, when to worry, and what causes most cases of erectile dysfunction in UK men.

Erectile Dysfunction

min read

Does Tequila Cause Erectile Dysfunction? UK Medical Guidance

Does tequila cause erectile dysfunction? Discover how alcohol affects sexual function, whether tequila differs from other drinks, UK safe drinking limits, and when to seek medical advice for erectile difficulties.

Gastric Band v Gastric Sleeve: UK Comparison Guide

Weight Loss

min read

Gastric Band v Gastric Sleeve: UK Comparison Guide

Gastric band v gastric sleeve: compare how each procedure works, NHS eligibility, weight loss outcomes, risks, and what UK surgeons recommend to help you make an informed choice.

Helicobacter Pylori and Probiotics: Evidence and NHS Guidance

Supplements

min read

Helicobacter Pylori and Probiotics: Evidence and NHS Guidance

Discover how Helicobacter pylori and probiotics interact, which strains may support eradication therapy, and what NHS guidance says about using probiotics alongside antibiotics for H. pylori treatment.

Does Zinc Help You Sleep? Evidence and Safety Guidance

Supplements

min read

Does Zinc Help You Sleep? Evidence and Safety Guidance

Does zinc help you sleep? Explore the evidence linking zinc to sleep quality, recommended intake levels, potential benefits for sleep disorders, and important safety considerations. Learn when to consult your GP about sleep problems.

Is Trout Good for You? Health Benefits and NHS Guidance

Supplements

min read

Is Trout Good for You? Health Benefits and NHS Guidance

Discover whether trout is good for you: explore its omega-3 content, cardiovascular and brain health benefits, safety considerations, and NHS guidance on how much to eat weekly for optimal nutrition.

How Do You Break a Plateau on Ozempic: Evidence-Based Strategies

GLP-1 Brands

min read

How Do You Break a Plateau on Ozempic: Evidence-Based Strategies

Discover how to break a plateau on Ozempic with evidence-based strategies. Learn about medical causes, lifestyle adjustments, dose optimisation, and when to consult your healthcare provider for safe, effective weight management.

Effect of Blood Transfusion on HbA1c: UK Clinical Guide

Weight Loss

min read

Effect of Blood Transfusion on HbA1c: UK Clinical Guide

The effect of blood transfusion on HbA1c can make results unreliable for up to three months. Learn why this happens, what the evidence shows, and which alternative tests UK clinicians recommend.

Erectile Dysfunction

min read

Does Rhodiola Rosea Help Erectile Dysfunction? UK Evidence Review

Does rhodiola rosea help erectile dysfunction? Discover what the evidence says about this herbal adaptogen, its safety profile, potential interactions and proven UK treatment options for ED.

Weight Loss

min read

Matcha Pills for Weight Loss: Evidence, Safety, and UK Alternatives

Matcha pills for weight loss: do they really work? Explore the clinical evidence, safety risks including liver injury, MHRA guidance, and NHS-approved alternatives available in the UK.

Erectile Dysfunction

min read

Does Hyperthyroidism Cause Erectile Dysfunction? UK Medical Guide

Does hyperthyroidism cause erectile dysfunction? Discover the evidence linking overactive thyroid to ED in men, how hormonal imbalances affect sexual function, and why treating hyperthyroidism often improves erectile dysfunction. Expert UK medical guidance on diagnosis and treatment options.

Popcorn and Type 2 Diabetes: Safe Snacking Guide

Weight Loss

min read

Popcorn and Type 2 Diabetes: Safe Snacking Guide

Discover whether popcorn is safe for type 2 diabetes management. Learn which varieties to choose, ideal portion sizes, and how to enjoy this whole grain snack without compromising blood glucose control, with evidence-based NHS guidance.

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

Spicy Food After Gastric Sleeve: What You Need to Know

Castor Hair Oil for Hair Loss: Evidence, Safety, and UK Treatments

How Much CoQ10 for Fertility: UK Dosage and Evidence Guide

Is Erectile Dysfunction a Sign of Cancer? UK Medical Guide

Does Tequila Cause Erectile Dysfunction? UK Medical Guidance

Gastric Band v Gastric Sleeve: UK Comparison Guide

Helicobacter Pylori and Probiotics: Evidence and NHS Guidance

Does Zinc Help You Sleep? Evidence and Safety Guidance

Is Trout Good for You? Health Benefits and NHS Guidance

How Do You Break a Plateau on Ozempic: Evidence-Based Strategies

Effect of Blood Transfusion on HbA1c: UK Clinical Guide

Does Rhodiola Rosea Help Erectile Dysfunction? UK Evidence Review

Matcha Pills for Weight Loss: Evidence, Safety, and UK Alternatives

Does Hyperthyroidism Cause Erectile Dysfunction? UK Medical Guide

Popcorn and Type 2 Diabetes: Safe Snacking Guide