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.

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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

Red Mountain Weight Loss Pills: UK Safety Guide

Red Mountain weight loss pills aren't UK-licensed. Learn what they contain, why the MHRA flags them, and the regulated alternatives like the Wegovy pill.

What Does Sildenafil Do to Females? Evidence and Safety

Erectile Dysfunction

min read

What Does Sildenafil Do to Females? Evidence and Safety

What does sildenafil do to females? Discover the evidence on sildenafil use in women, including effects on sexual function, safety concerns, and why it remains unlicensed for female sexual dysfunction in the UK.

Can I Skip a Day of Saxenda? Missed Dose Guidance

GLP-1 Brands

min read

Can I Skip a Day of Saxenda? Missed Dose Guidance

Can you skip a day of Saxenda? Discover what happens when you miss a dose, when to resume treatment, the risks of irregular dosing, and practical strategies to maintain your injection schedule for effective weight management.

Hair Loss

min read

Revita Hair Loss Shampoo: Ingredients, Evidence, and Safe Use

Revita hair loss shampoo reviewed: discover how it works, the evidence behind key ingredients like ketoconazole and caffeine, safe usage tips, and when to see a GP.

Does Fatty Liver Cause IBS? Understanding the Connection

Weight Loss

min read

Does Fatty Liver Cause IBS? Understanding the Connection

Does fatty liver cause IBS? Discover the relationship between fatty liver disease and irritable bowel syndrome, including shared risk factors, overlapping symptoms, and when to seek medical advice for digestive and liver health concerns.

Hair Loss

min read

Does Tacrolimus Cause Hair Loss? Evidence, Risks & Management

Does tacrolimus cause hair loss? Learn what UK prescribing guidance says, how common it is, what else may be contributing, and when to speak to your GP or transplant team.

Can Rybelsus Make You Gain Weight? Clinical Evidence Explained

GLP-1 Brands

min read

Can Rybelsus Make You Gain Weight? Clinical Evidence Explained

Can Rybelsus make you gain weight? Discover what clinical evidence reveals about weight changes with this type 2 diabetes medication, why individual responses vary, and what to do if you notice unexpected weight gain whilst taking Rybelsus.

N-Acetylcysteine for Fatty Liver: Uses, Evidence and Safety

Weight Loss

min read

N-Acetylcysteine for Fatty Liver: Uses, Evidence and Safety

Discover how N-acetylcysteine for fatty liver works, its potential benefits, safety considerations, and why lifestyle changes remain the gold standard for NAFLD management in the UK.

Does Sildenafil Cause Dependence? Facts About Addiction Risk

Erectile Dysfunction

min read

Does Sildenafil Cause Dependence? Facts About Addiction Risk

Does sildenafil cause dependence? Discover the facts about physical addiction versus psychological reliance, safe usage guidelines, and when to seek medical advice for erectile dysfunction treatment.

How to Stop Taking Ozempic Safely: UK Medical Guidance

GLP-1 Brands

min read

How to Stop Taking Ozempic Safely: UK Medical Guidance

How to stop taking Ozempic safely: expert guidance on discontinuing semaglutide with medical supervision, managing blood glucose after stopping, and preventing weight regain. Essential UK advice for type 2 diabetes patients.

Digital Health Providers: Value-Based Care in Obesity Treatment

Weight Loss

min read

Digital Health Providers: Value-Based Care in Obesity Treatment

Discover how digital health providers are enabling value-based care in obesity treatment across the NHS. Learn about outcome measurement, evidence for digital interventions, commissioning considerations, and how these platforms support sustainable weight management aligned with NICE guidance and UK clinical standards.

Foods to Eat to Lower HbA1c: UK Dietary Guide

Weight Loss

min read

Foods to Eat to Lower HbA1c: UK Dietary Guide

Foods to eat to lower HbA1c: discover evidence-based UK dietary advice on wholegrains, vegetables, legumes, and more to support better blood glucose control and reduce your HbA1c levels.

Should You Rotate Allergy Medication? What the Evidence Says

Supplements

min read

Should You Rotate Allergy Medication? What the Evidence Says

Should you rotate allergy medication to stop it losing effectiveness? Discover what the clinical evidence, NICE guidance, and NHS advice say about antihistamine rotation and how to manage allergy symptoms safely.

D-Aspartic Acid and Gynaecomastia: Risks, Evidence, and NHS Guidance

Weight Loss

min read

D-Aspartic Acid and Gynaecomastia: Risks, Evidence, and NHS Guidance

D-aspartic acid and gynaecomastia: could this popular testosterone supplement cause male breast tissue growth? Explore the evidence, risks, NHS guidance, and when to see your GP.

How to Reduce HbA1c: Realistic Timescales and Safe UK Strategies

Weight Loss

min read

How to Reduce HbA1c: Realistic Timescales and Safe UK Strategies

How to reduce HbA1c safely and effectively — understand what's realistic in a week versus over months, with NHS-aligned diet, exercise, and medication advice for UK adults.

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

Red Mountain Weight Loss Pills: UK Safety Guide

What Does Sildenafil Do to Females? Evidence and Safety

Can I Skip a Day of Saxenda? Missed Dose Guidance

Revita Hair Loss Shampoo: Ingredients, Evidence, and Safe Use

Does Fatty Liver Cause IBS? Understanding the Connection

Does Tacrolimus Cause Hair Loss? Evidence, Risks & Management

Can Rybelsus Make You Gain Weight? Clinical Evidence Explained

N-Acetylcysteine for Fatty Liver: Uses, Evidence and Safety

Does Sildenafil Cause Dependence? Facts About Addiction Risk

How to Stop Taking Ozempic Safely: UK Medical Guidance

Digital Health Providers: Value-Based Care in Obesity Treatment

Foods to Eat to Lower HbA1c: UK Dietary Guide

Should You Rotate Allergy Medication? What the Evidence Says

D-Aspartic Acid and Gynaecomastia: Risks, Evidence, and NHS Guidance

How to Reduce HbA1c: Realistic Timescales and Safe UK Strategies