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.

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Weight Loss

min read

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Lap band gastric banding system explained: how LAGB works, NHS eligibility criteria, risks, diet after surgery, and UK alternatives including sleeve gastrectomy and gastric bypass.

Lap Band or Gastric Sleeve Surgery: How It Affects Pregnancy

Weight Loss

min read

Lap Band or Gastric Sleeve Surgery: How It Affects Pregnancy

Can lap band or gastric sleeve surgery affect pregnancy? Learn how bariatric surgery impacts fertility, nutritional needs, antenatal care, and pregnancy outcomes, with NHS and BOMSS guidance.

How Often Can You Eat Tuna: NHS Guidelines and Safety

Supplements

min read

How Often Can You Eat Tuna: NHS Guidelines and Safety

Discover how often you can safely eat tuna according to NHS guidelines. Learn about mercury levels, recommended intake for pregnant women and children, and how to choose lower-mercury options for your family's health.

Mounjaro

min read

Januvia and Mounjaro Together: UK Guidance and Safer Alternatives

Can you take Januvia and Mounjaro together? Discover why UK guidance advises against combining these diabetes medications, how they differ, potential risks, and safer alternatives for type 2 diabetes management.

Can Fatty Liver Cause Dark Spots on Skin? Evidence and Guidance

Weight Loss

min read

Can Fatty Liver Cause Dark Spots on Skin? Evidence and Guidance

Can fatty liver cause dark spots on skin? Discover the evidence-based connection between hepatic steatosis and skin pigmentation, learn which skin changes indicate liver disease, and find out when to seek medical advice for concerning symptoms.

How to Remove Excess Magnesium From Body: Medical Treatments

Supplements

min read

How to Remove Excess Magnesium From Body: Medical Treatments

Discover how to remove excess magnesium from the body safely. Learn about medical treatments for hypermagnesaemia, warning symptoms requiring urgent care, and essential prevention strategies for those at risk of elevated magnesium levels.

Saxenda Side Effects: Nausea, Sickness & Management

GLP-1 Brands

min read

Saxenda Side Effects: Nausea, Sickness & Management

Nausea affects 40% of Saxenda users. Learn why it happens, how long it lasts, and how to manage this GLP-1 side effect during treatment.

HbA1c vs A1c: Are They the Same Test? UK Guide

Weight Loss

min read

HbA1c vs A1c: Are They the Same Test? UK Guide

Is A1c the same as HbA1c? Yes — find out how this key diabetes blood test works, what your UK results mean in mmol/mol, target ranges, and when to see your GP.

Best Bread for Type 2 Diabetes: Wholegrain, Seeded & Rye Options

Weight Loss

min read

Best Bread for Type 2 Diabetes: Wholegrain, Seeded & Rye Options

Discover the best bread for type 2 diabetes, including wholegrain, seeded, and rye options. Learn how to choose diabetes-friendly bread, manage portions, and pair bread with protein for better blood glucose control.

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Supplements

min read

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Does CoQ10 help joint pain? Discover what the evidence says about coenzyme Q10 for joint health, including dosage, safety, side effects, and how it compares with NHS-recommended treatments for osteoarthritis and inflammatory arthritis.

Weight Loss

min read

Weight Loss Pills Increase Heart Rate: UK Safety Guide

Why do weight loss pills increase heart rate? Which UK medications affect the heart, warning symptoms to watch, and where the oral Wegovy pill fits in.

Salmon and Cholesterol: Heart Health Benefits and UK Guidance

Supplements

min read

Salmon and Cholesterol: Heart Health Benefits and UK Guidance

Discover how salmon affects cholesterol levels and heart health. Learn about omega-3 benefits, recommended portions, and how salmon compares to other fish for cholesterol management. Evidence-based UK guidance included.

Naltrexone Prescription for Weight Loss: UK Guide to Mysimba

GLP-1 Brands

min read

Naltrexone Prescription for Weight Loss: UK Guide to Mysimba

Naltrexone prescription for weight loss in the UK — find out how Mysimba (naltrexone/bupropion) works, who is eligible under NICE criteria, how to access it on the NHS or privately, and what side effects to expect.

Diabetes Status from HbA1c: UK Thresholds, NICE Guidelines and Next Steps

Weight Loss

min read

Diabetes Status from HbA1c: UK Thresholds, NICE Guidelines and Next Steps

Diabetes status from HbA1c explained: understand UK diagnostic thresholds, NICE guidelines, what your mmol/mol result means, and the next steps for normal, prediabetes, or type 2 diabetes results.

Obesity-Related Glomerulopathy: Treatment Guide

Weight Loss

min read

Obesity-Related Glomerulopathy: Treatment Guide

Discover how UK specialists treat obesity-related glomerulopathy with renoprotective medications, weight loss strategies and long-term kidney monitoring.

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

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Lap Band or Gastric Sleeve Surgery: How It Affects Pregnancy

How Often Can You Eat Tuna: NHS Guidelines and Safety

Januvia and Mounjaro Together: UK Guidance and Safer Alternatives

Can Fatty Liver Cause Dark Spots on Skin? Evidence and Guidance

How to Remove Excess Magnesium From Body: Medical Treatments

Saxenda Side Effects: Nausea, Sickness & Management

HbA1c vs A1c: Are They the Same Test? UK Guide

Best Bread for Type 2 Diabetes: Wholegrain, Seeded & Rye Options

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Weight Loss Pills Increase Heart Rate: UK Safety Guide

Salmon and Cholesterol: Heart Health Benefits and UK Guidance

Naltrexone Prescription for Weight Loss: UK Guide to Mysimba

Diabetes Status from HbA1c: UK Thresholds, NICE Guidelines and Next Steps

Obesity-Related Glomerulopathy: Treatment Guide