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.

Krill Oil Side Effects: Safety Guide and Risks

Supplements

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Krill Oil Side Effects: Safety Guide and Risks

Discover the common and serious krill oil side effects, including gastrointestinal issues and bleeding risks. Learn who should avoid krill oil, when to seek medical advice, and practical strategies to minimise adverse reactions from this omega-3 supplement.

Weight Loss

min read

Capsicum Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Capsicum pills for weight loss — do they really work? Explore the evidence on capsaicin supplements, safety considerations, side effects, and NHS-recommended alternatives for managing your weight effectively.

Mounjaro

min read

Does Mounjaro Cause Depression or Anxiety? Evidence and Guidance

Does Mounjaro cause depression or anxiety? Explore the clinical evidence, learn to recognise mental health symptoms, and discover what to do if mood changes occur whilst taking tirzepatide for diabetes or weight management.

Weight Loss

min read

Do Weight Loss Injections Cause Pancreatitis? UK Evidence and Safety

Do weight loss injections cause pancreatitis? Explore the evidence on GLP-1 receptor agonists like Wegovy and Saxenda, understand the risks, recognise warning symptoms, and learn essential safety precautions for UK patients.

Allergy Medication for Bee Stings: Treatments, Emergency Care & NHS Options

Supplements

min read

Allergy Medication for Bee Stings: Treatments, Emergency Care & NHS Options

Allergy medication for bee stings explained — from antihistamines and hydrocortisone for mild reactions to adrenaline auto-injectors and NHS venom immunotherapy. Know when to call 999.

Cost

min read

Well Pharmacy Wegovy Cost: Price & Eligibility UK

Find out how much Wegovy costs at Well Pharmacy, from £199/month privately. Compare NHS vs private access, eligibility criteria, and your options.

Saxenda for Binge Eating Disorder: UK Evidence and Treatment Options

GLP-1 Brands

min read

Saxenda for Binge Eating Disorder: UK Evidence and Treatment Options

Saxenda for binge eating disorder: explore the current evidence, UK regulatory status, safety considerations and NICE-recommended treatment alternatives for this off-label use of liraglutide in managing binge eating behaviours.

Best Time to Take Fish Oil: UK Guidance on Timing and Absorption

Supplements

min read

Best Time to Take Fish Oil: UK Guidance on Timing and Absorption

Discover the best time to take fish oil supplements for optimal absorption and fewer side effects. Evidence-based UK guidance on timing, dosing with food, and maximising omega-3 benefits for your health.

Erectile Dysfunction

min read

Hypnotherapy for Erectile Dysfunction: Does It Work?

Can hypnotherapy help with ED? Explore the evidence, psychological benefits, and when to use it alongside NHS treatments like PDE5 inhibitors.

NASH & Fatty Liver Disease: Causes, Symptoms, Treatment

Weight Loss

min read

NASH & Fatty Liver Disease: Causes, Symptoms, Treatment

Understand NASH (MASH), how it differs from fatty liver, and explore UK diagnosis and treatment options. Know your risks and next steps.

Which Group Has a Higher Metabolic Rate? Age, Sex and Clinical Factors

Weight Loss

min read

Which Group Has a Higher Metabolic Rate? Age, Sex and Clinical Factors

Discover which group has a higher metabolic rate and why it matters. Learn how age, sex, body composition, and medical conditions influence energy expenditure, with evidence-based insights for clinical practice and personalised nutritional care.

Gastric Band Surgery: Eligibility, Risks, and UK Pathways Explained

Weight Loss

min read

Gastric Band Surgery: Eligibility, Risks, and UK Pathways Explained

Gastric band surgery explained: how it works, NICE eligibility criteria, risks, recovery, and NHS vs private costs in the UK. Read our expert guide to make an informed choice.

Allergy Medicine and Thyroid Medication: Interactions, Safety and UK Guidance

Supplements

min read

Allergy Medicine and Thyroid Medication: Interactions, Safety and UK Guidance

Allergy medicine and thyroid medication can interact in important ways. Learn which antihistamines and decongestants are safer with levothyroxine or carbimazole, plus MHRA and NICE guidance for UK patients.

High Protein Calorie Deficit Meal Plan: UK Evidence-Based Guide

Weight Loss

min read

High Protein Calorie Deficit Meal Plan: UK Evidence-Based Guide

High protein calorie deficit meal plans explained — discover how much protein you need, a sample 1,600–1,800 kcal day plan, the best food sources, and when to see a dietitian. Evidence-based UK guidance.

Wegovy

min read

Wegovy Protein Calculator: Daily Protein Goals on Semaglutide

Use our Wegovy protein calculator guide to find your daily protein target on semaglutide. Learn NHS-aligned intake recommendations, high-protein foods, and expert tips to preserve muscle during weight loss.

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

Krill Oil Side Effects: Safety Guide and Risks

Capsicum Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Does Mounjaro Cause Depression or Anxiety? Evidence and Guidance

Do Weight Loss Injections Cause Pancreatitis? UK Evidence and Safety

Allergy Medication for Bee Stings: Treatments, Emergency Care & NHS Options

Well Pharmacy Wegovy Cost: Price & Eligibility UK

Saxenda for Binge Eating Disorder: UK Evidence and Treatment Options

Best Time to Take Fish Oil: UK Guidance on Timing and Absorption

Hypnotherapy for Erectile Dysfunction: Does It Work?

NASH & Fatty Liver Disease: Causes, Symptoms, Treatment

Which Group Has a Higher Metabolic Rate? Age, Sex and Clinical Factors

Gastric Band Surgery: Eligibility, Risks, and UK Pathways Explained

Allergy Medicine and Thyroid Medication: Interactions, Safety and UK Guidance

High Protein Calorie Deficit Meal Plan: UK Evidence-Based Guide

Wegovy Protein Calculator: Daily Protein Goals on Semaglutide