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.

Weight Loss

min read

Calorie Deficit Salmon Recipes: Easy, Nutritious Meals for Weight Loss

Calorie deficit salmon recipes to support healthy weight loss — explore easy, nutritionist-aligned meal ideas, cooking tips, and NHS-backed guidance on portions and food safety.

Gynaecomastia & Tummy Tuck: Combined Surgery Guide

Weight Loss

min read

Gynaecomastia & Tummy Tuck: Combined Surgery Guide

Considering combined gynaecomastia and tummy tuck surgery? Explore NHS eligibility, costs, risks, and recovery in this UK patient guide.

UK Allergy Services: NHS Referral & Treatment

Supplements

min read

UK Allergy Services: NHS Referral & Treatment

Explore UK allergy services covering NHS referrals, testing, diagnosis and treatment for hay fever, urticaria, anaphylaxis and more. Find the right care.

Shelf Life of Saxenda: Storage Guidelines and Expiry

GLP-1 Brands

min read

Shelf Life of Saxenda: Storage Guidelines and Expiry

Discover the shelf life of Saxenda (liraglutide) for weight management. Learn how long unopened and opened pens last, proper storage guidelines, and how to identify expired medication to ensure safe, effective treatment.

Year-Round Allergy Medication: Treatments, Safety and Long-Term Management

Supplements

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Year-Round Allergy Medication: Treatments, Safety and Long-Term Management

Year-round allergy medication explained: discover the best treatments for perennial allergic rhinitis in the UK, from antihistamines and nasal sprays to long-term safety advice and lifestyle tips.

Testosterone

min read

Does Testosterone Treatment Affect Sleep Apnoea? UK Clinical Guidance

Does testosterone treatment affect sleep apnoea? Discover the complex relationship between TRT and OSA, including mechanisms, screening recommendations, management strategies, and when to seek medical advice for safe treatment.

Do You Lose Muscle in a Calorie Deficit? Evidence-Based Guide

Weight Loss

min read

Do You Lose Muscle in a Calorie Deficit? Evidence-Based Guide

Do you lose muscle in a calorie deficit? Discover evidence-based strategies to preserve muscle mass during weight loss, including optimal protein intake, resistance training, and safe deficit levels recommended by UK health guidelines.

Hair Loss

min read

What Medications Can Cause Hair Loss: A UK Clinical Guide

What medications can cause hair loss? Discover which drug classes are linked to alopecia, how to tell drug-induced hair loss apart from other causes, and what to do next — with UK clinical guidance.

Does Ozempic Cause Dark Stools? UK Medical Guidance

GLP-1 Brands

min read

Does Ozempic Cause Dark Stools? UK Medical Guidance

Does Ozempic cause dark stools? Discover whether semaglutide affects stool colour, when dark stools require urgent medical attention, and how to manage gastrointestinal side effects safely whilst taking Ozempic for type 2 diabetes.

Foods to Avoid with Fatty Liver and Gallstones: UK Guide

Weight Loss

min read

Foods to Avoid with Fatty Liver and Gallstones: UK Guide

Discover which foods to avoid with fatty liver and gallstones, plus safe dietary alternatives. Evidence-based UK guidance to support liver and gallbladder health through informed food choices.

At What Age Does Gynaecomastia Go Away? Causes, Timeline & Treatment

Weight Loss

min read

At What Age Does Gynaecomastia Go Away? Causes, Timeline & Treatment

At what age does gynaecomastia go away? Learn when pubertal breast tissue typically resolves, what factors affect duration, when to see a GP, and NHS treatment options.

Cost

min read

Zava Mounjaro Cost: UK Pricing and Service Guide

Discover the cost of Mounjaro through Zava online clinic, including pricing structure, service inclusions, NHS vs private options, and essential clinical considerations for UK patients seeking tirzepatide treatment.

Does Testogel Cause Hair Loss? Evidence and Management

Testosterone

min read

Does Testogel Cause Hair Loss? Evidence and Management

Does Testogel cause hair loss? Discover the evidence on testosterone therapy and alopecia, including genetic risk factors, DHT conversion, management strategies, and when to seek medical advice for hair changes during treatment.

Weight Loss

min read

Cider Vinegar Pills for Weight Loss: Evidence, Risks, and NHS Alternatives

Cider vinegar pills for weight loss — do they actually work? We review the clinical evidence, safety risks, drug interactions, and NHS-recommended alternatives to help you make an informed decision.

Are Nectarines Good for Fatty Liver? Evidence-Based Guidance

Weight Loss

min read

Are Nectarines Good for Fatty Liver? Evidence-Based Guidance

Are nectarines good for fatty liver? Discover how these stone fruits fit into evidence-based dietary management for hepatic steatosis, including nutritional benefits, portion guidance, and comprehensive lifestyle recommendations from UK clinical guidelines.

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

Calorie Deficit Salmon Recipes: Easy, Nutritious Meals for Weight Loss

Gynaecomastia & Tummy Tuck: Combined Surgery Guide

UK Allergy Services: NHS Referral & Treatment

Shelf Life of Saxenda: Storage Guidelines and Expiry

Year-Round Allergy Medication: Treatments, Safety and Long-Term Management

Does Testosterone Treatment Affect Sleep Apnoea? UK Clinical Guidance

Do You Lose Muscle in a Calorie Deficit? Evidence-Based Guide

What Medications Can Cause Hair Loss: A UK Clinical Guide

Does Ozempic Cause Dark Stools? UK Medical Guidance

Foods to Avoid with Fatty Liver and Gallstones: UK Guide

At What Age Does Gynaecomastia Go Away? Causes, Timeline & Treatment

Zava Mounjaro Cost: UK Pricing and Service Guide

Does Testogel Cause Hair Loss? Evidence and Management

Cider Vinegar Pills for Weight Loss: Evidence, Risks, and NHS Alternatives

Are Nectarines Good for Fatty Liver? Evidence-Based Guidance