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.

Hair Loss

min read

Tirzepatide & Hair Loss: What the Evidence Shows

Does tirzepatide cause hair loss? We explain what the SmPC says, the link to rapid weight loss, and when to speak to your GP.

Can You Get Weight Loss Injections for PCOS? UK Guide

Wegovy

min read

Can You Get Weight Loss Injections for PCOS? UK Guide

Can you get weight loss injections for PCOS? Discover NHS eligibility criteria, GLP-1 medications like Wegovy and Saxenda, clinical evidence, and alternative weight management options for women with polycystic ovary syndrome in the UK.

Erectile Dysfunction

min read

Does Allopurinol Cause Erectile Dysfunction? Evidence and Guidance

Does allopurinol cause erectile dysfunction? Discover the clinical evidence, explore alternative gout treatments, and learn when to speak to your GP about sexual health concerns whilst managing gout effectively.

Can You Gain Muscle While in a Calorie Deficit? UK Guide

Weight Loss

min read

Can You Gain Muscle While in a Calorie Deficit? UK Guide

Can you gain muscle while in a calorie deficit? Discover the science behind body recomposition, who can achieve it, and evidence-based strategies for muscle retention during weight loss. UK clinical guidance included.

Does Viagra Lower Blood Pressure? Sildenafil Explained

Erectile Dysfunction

min read

Does Viagra Lower Blood Pressure? Sildenafil Explained

Sildenafil lowers blood pressure via vasodilation. Learn the risks with nitrates, alpha-blockers & hypertension — UK clinical guidance explained.

When to Take Retatrutide: UK Dosing and Safety Guide

GLP-1 Brands

min read

When to Take Retatrutide: UK Dosing and Safety Guide

When to take retatrutide, how it works, and what to expect — a UK clinical guide covering dosing schedules, safe injection technique, side effects, and current MHRA approval status.

Zinc Oxide Is Good for Skin: Benefits and Uses

Supplements

min read

Zinc Oxide Is Good for Skin: Benefits and Uses

Discover why zinc oxide is good for skin, from nappy rash treatment to sun protection. Learn evidence-based benefits, safe application methods, and UK clinical guidance on this trusted dermatological ingredient.

Canagliflozin (Invokana): UK Guide for Type 2 Diabetes

Weight Loss

min read

Canagliflozin (Invokana): UK Guide for Type 2 Diabetes

Learn how canagliflozin (Invokana) works, its side effects, dosing, and cardiovascular benefits. UK guidance aligned with NICE and MHRA recommendations.

Testosterone

min read

How Effective Is Testogel for Testosterone Replacement Therapy?

Discover how effective Testogel is for testosterone replacement therapy. Learn about success rates (75–90%), timeline for results, factors affecting effectiveness, and what to expect from treatment with this UK-licensed TRT gel.

Cost

min read

Lotus Weight Loss Mounjaro Cost: UK Pricing & Access Guide

Discover Lotus Weight Loss Mounjaro costs in the UK, from £150–£300 monthly. Compare NHS vs private access, eligibility criteria, package inclusions, and what to expect from tirzepatide treatment for weight management.

Ozempic and Your Period: What the Evidence Shows

GLP-1 Brands

min read

Ozempic and Your Period: What the Evidence Shows

Can Ozempic affect your menstrual cycle? Learn how semaglutide may indirectly alter periods, what changes to look out for, and when to speak to your GP.

Hair Loss

min read

Pau D'Arco Hair Loss: Evidence, Safety, and NHS Alternatives

Pau d'arco hair loss claims examined: discover what the evidence really shows, potential side effects, safety warnings, and NHS-recommended treatments for hair loss in the UK.

Should Allergies Be Recorded in Medication Records? UK Guidance Explained

Supplements

min read

Should Allergies Be Recorded in Medication Records? UK Guidance Explained

Should allergies be recorded in medication records? Yes — find out what UK NHS and NICE guidance says, who is responsible, what to document, and how to keep your allergy records accurate and safe.

Erectile Dysfunction

min read

Alcohol & Erectile Dysfunction: What the Evidence Shows

Can white wine help with erectile dysfunction? We review the clinical evidence and what UK guidelines recommend for managing ED.

Weight Loss

min read

Can You Take Weight Loss Injections While Trying to Conceive?

Can you take weight loss injections while trying to conceive? Discover UK medical guidance on GLP-1 medications like Wegovy and Saxenda during preconception, including safe discontinuation timelines and alternative weight management approaches for women planning pregnancy.

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

Tirzepatide & Hair Loss: What the Evidence Shows

Can You Get Weight Loss Injections for PCOS? UK Guide

Does Allopurinol Cause Erectile Dysfunction? Evidence and Guidance

Can You Gain Muscle While in a Calorie Deficit? UK Guide

Does Viagra Lower Blood Pressure? Sildenafil Explained

When to Take Retatrutide: UK Dosing and Safety Guide

Zinc Oxide Is Good for Skin: Benefits and Uses

Canagliflozin (Invokana): UK Guide for Type 2 Diabetes

How Effective Is Testogel for Testosterone Replacement Therapy?

Lotus Weight Loss Mounjaro Cost: UK Pricing & Access Guide

Ozempic and Your Period: What the Evidence Shows

Pau D'Arco Hair Loss: Evidence, Safety, and NHS Alternatives

Should Allergies Be Recorded in Medication Records? UK Guidance Explained

Alcohol & Erectile Dysfunction: What the Evidence Shows

Can You Take Weight Loss Injections While Trying to Conceive?