Bolt Guides

Expert insights on weight loss and more.

Featured

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

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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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.

Read Wegovy guides

Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

Read Mounjaro guides

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.

Read now

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.

Read testosterone guides

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.

How Long Does Rybelsus Take to Work for Type 2 Diabetes?

GLP-1 Brands

min read

How Long Does Rybelsus Take to Work for Type 2 Diabetes?

Discover how long Rybelsus takes to work for type 2 diabetes. Learn about the timeframe for blood glucose improvements, factors affecting effectiveness, and what to expect during treatment with this GLP-1 receptor agonist.

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Erectile Dysfunction

min read

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Does tadalafil raise PSA levels? Discover what clinical evidence reveals about tadalafil's effect on prostate-specific antigen testing and why this matters for men monitoring prostate health whilst taking this medication.

Retatrutide Heart Rate Increase: Mechanism, Evidence, and Clinical Guidance

GLP-1 Brands

min read

Retatrutide Heart Rate Increase: Mechanism, Evidence, and Clinical Guidance

Retatrutide heart rate increase explained: understand the mechanism, Phase 2 trial evidence, who is most at risk, and when to seek medical advice. UK-focused clinical guidance.

Supplements

min read

Vitamin B12 Supplements for Pregnancy: UK Guidance and Dosage

Discover which pregnant women need vitamin B12 supplements for pregnancy, recommended dosages, food sources, and safety guidance. Expert UK advice on B12 supplementation for vegans, vegetarians, and those with deficiency to support maternal and fetal health.

HbA1c Finger Prick Test: Results, Accuracy and NHS Guidance

Weight Loss

min read

HbA1c Finger Prick Test: Results, Accuracy and NHS Guidance

HbA1c finger prick test: find out how it works, what your results mean, NICE thresholds for diabetes and prediabetes, and what to do next. NHS-aligned guidance.

B12 Under the Tongue: Uses, Benefits and UK Guidance

Supplements

min read

B12 Under the Tongue: Uses, Benefits and UK Guidance

Discover how B12 under the tongue works, who should consider sublingual vitamin B12 supplements, correct usage, potential benefits, and when intramuscular injections are necessary. Evidence-based UK guidance.

Erectile Dysfunction

min read

Does Carbidopa Levodopa Cause Erectile Dysfunction? Evidence and Solutions

Does carbidopa levodopa cause erectile dysfunction? Discover the evidence-based answer, why ED is common in Parkinson's disease, and effective management strategies to maintain both motor control and sexual health.

Can Magnesium Help You Lose Weight? The Evidence

Supplements

min read

Can Magnesium Help You Lose Weight? The Evidence

Can magnesium help you lose weight? Discover what the evidence shows on metabolic effects, belly fat, safety, and UK supplement guidance.

Can You Eat Fish Every Day? NHS Guidelines and Safety

Supplements

min read

Can You Eat Fish Every Day? NHS Guidelines and Safety

Can you eat fish every day safely? Discover NHS guidelines on daily fish consumption, mercury risks, safest fish species to choose, and which groups should limit intake for optimal health.

Testosterone

min read

How Often Should Testosterone Be Checked When Using Testogel?

Find out how often testosterone levels should be checked when using Testogel. Learn about UK monitoring schedules, blood tests, safety checks, and signs your dose may need adjusting under NHS guidelines.

Supplements

min read

Best Fish Oil Supplements: UK Quality Guide

Find out what makes a high-quality fish oil supplement. Covers EPA, DHA, purity standards, and NHS omega-3 guidance to help you choose with confidence.

Calorie Deficit for Athletes: Safe Strategies, Risks, and UK Guidance

Weight Loss

min read

Calorie Deficit for Athletes: Safe Strategies, Risks, and UK Guidance

Calorie deficit for athletes explained: learn how to calculate a safe deficit, avoid RED-S, protect performance, and fuel smarter with UK-aligned sports nutrition guidance.

Best Detox Tea for Fatty Liver: Evidence and Safe Alternatives

Weight Loss

min read

Best Detox Tea for Fatty Liver: Evidence and Safe Alternatives

Discover the truth about detox teas for fatty liver disease. Learn which herbal teas are safe, what the research actually shows, and the evidence-based lifestyle changes proven to improve liver health according to NICE guidelines and UK medical experts.

Erectile Dysfunction

min read

Cashews and Erectile Dysfunction: What the Evidence Says

Can cashews support erection health? Explore the nutritional evidence, vascular benefits, and expert dietary guidance for managing ED naturally in the UK.

GLP-1 Side Effects: Acid Reflux Causes and Management

Weight Loss

min read

GLP-1 Side Effects: Acid Reflux Causes and Management

Experiencing acid reflux on GLP-1 medications? Discover why GLP-1 side effects include acid reflux, practical management strategies, and when to seek medical advice. UK-focused guidance for patients taking semaglutide, dulaglutide and liraglutide.

Bolt Guides

Featured

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

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

How Long Does Rybelsus Take to Work for Type 2 Diabetes?

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Retatrutide Heart Rate Increase: Mechanism, Evidence, and Clinical Guidance

Vitamin B12 Supplements for Pregnancy: UK Guidance and Dosage

HbA1c Finger Prick Test: Results, Accuracy and NHS Guidance

B12 Under the Tongue: Uses, Benefits and UK Guidance

Does Carbidopa Levodopa Cause Erectile Dysfunction? Evidence and Solutions

Can Magnesium Help You Lose Weight? The Evidence

Can You Eat Fish Every Day? NHS Guidelines and Safety

How Often Should Testosterone Be Checked When Using Testogel?

Best Fish Oil Supplements: UK Quality Guide

Calorie Deficit for Athletes: Safe Strategies, Risks, and UK Guidance

Best Detox Tea for Fatty Liver: Evidence and Safe Alternatives

Cashews and Erectile Dysfunction: What the Evidence Says

GLP-1 Side Effects: Acid Reflux Causes and Management