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.

Magnesium L-Threonate Benefits: Evidence Reviewed

Supplements

min read

Magnesium L-Threonate Benefits: Evidence Reviewed

What does the evidence say about magnesium L-threonate and brain health? Expert review of human trials, safety, dosage, and how it compares to other forms.

Can You Take Advil With Allergy Medication? UK Safety Guide

Supplements

min read

Can You Take Advil With Allergy Medication? UK Safety Guide

Can you take Advil with allergy medication? Learn which combinations are safe, what interactions to watch for with ibuprofen and antihistamines, and when to seek NHS advice.

How to Ask Your Doctor for Weight Loss Injections in the UK

Wegovy

min read

How to Ask Your Doctor for Weight Loss Injections in the UK

Learn how to ask your doctor for weight loss injections in the UK. Understand NHS eligibility criteria for semaglutide and liraglutide, prepare effectively for your GP appointment, and discover what to expect during assessment and treatment pathways.

Erectile Dysfunction

min read

Does Erectile Dysfunction Mean He's Not Attracted to Me?

Worried that erectile dysfunction means he's not attracted to you? Discover the real medical causes of ED, why it's rarely about attraction, and how to support your partner through this common condition with expert NHS-aligned guidance.

Is the Cholesterol in Whey Protein Powder Bad for You?

Supplements

min read

Is the Cholesterol in Whey Protein Powder Bad for You?

Is the cholesterol in whey protein powder bad for you? Discover how much cholesterol whey contains, its impact on heart health, and whether you should be concerned. Evidence-based guidance for UK readers.

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Supplements

min read

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Does canned tuna have omega-3? Discover how much omega-3 is in canned tuna, which varieties offer the most, and why it doesn't count as oily fish under NHS guidance. Learn practical tips for balancing nutrition and safety.

Medication for Contrast Allergy: NHS Protocols and Treatment Guide

Supplements

min read

Medication for Contrast Allergy: NHS Protocols and Treatment Guide

Medication for contrast allergy explained — discover NHS pre-medication protocols, emergency treatments including adrenaline, and who is at higher risk. Evidence-based UK guidance for patients and clinicians.

Weight Loss

min read

Guava Weight Loss Pills: Evidence, Safety, and NHS Alternatives

Do guava weight loss pills work? See the clinical evidence, safety risks, drug interactions, and licensed alternatives like the new oral Wegovy pill.

What Nitrates to Avoid with Tadalafil: Essential Safety Guide

Erectile Dysfunction

min read

What Nitrates to Avoid with Tadalafil: Essential Safety Guide

What nitrates to avoid with tadalafil: discover which prescription medications, recreational substances, and emergency treatments are absolutely contraindicated with this PDE5 inhibitor to prevent life-threatening hypotension and cardiovascular collapse.

Wegovy

min read

Does Wegovy Cause Heart Palpitations? UK Evidence and Guidance

Does Wegovy cause heart palpitations? Discover what UK evidence shows about semaglutide and heart rhythm, when to seek medical help, and how to manage cardiovascular symptoms safely during weight-loss treatment.

Erectile Dysfunction

min read

Does Prednisone Cause Erectile Dysfunction? UK Medical Guide

Does prednisone cause erectile dysfunction? Discover how prednisolone may affect sexual function through hormonal, metabolic, and psychological mechanisms, plus practical management strategies and when to seek medical advice.

Erectile Dysfunction

min read

Does Isosorbide Help Erectile Dysfunction? Safety and Alternatives

Does isosorbide help erectile dysfunction? Discover why isosorbide cannot treat ED, the serious risks of combining nitrates with Viagra or Cialis, and safe treatment options for men taking heart medications.

How Much Salmon Per Week: NHS Guidance for Adults

Supplements

min read

How Much Salmon Per Week: NHS Guidance for Adults

Discover how much salmon per week is recommended for adults, pregnant women, and children. Learn about omega-3 benefits, mercury levels, and NHS guidance on safe oily fish consumption for optimal health.

How to Lose Weight Safely: Evidence-Based Tips

Weight Loss

min read

How to Lose Weight Safely: Evidence-Based Tips

NHS-aligned advice on safe weight loss, including diet, exercise and medical options like weight loss injections. Evidence-based guidance you can trust.

Bruising from Trulicity Injection: Causes, Prevention and Management

GLP-1 Brands

min read

Bruising from Trulicity Injection: Causes, Prevention and Management

Discover why bruising from Trulicity injection occurs, how common it is, and expert techniques to reduce bruising risk. Learn when injection site reactions require medical attention and how to manage bruising effectively whilst maintaining your type 2 diabetes treatment.

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

Magnesium L-Threonate Benefits: Evidence Reviewed

Can You Take Advil With Allergy Medication? UK Safety Guide

How to Ask Your Doctor for Weight Loss Injections in the UK

Does Erectile Dysfunction Mean He's Not Attracted to Me?

Is the Cholesterol in Whey Protein Powder Bad for You?

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Medication for Contrast Allergy: NHS Protocols and Treatment Guide

Guava Weight Loss Pills: Evidence, Safety, and NHS Alternatives

What Nitrates to Avoid with Tadalafil: Essential Safety Guide

Does Wegovy Cause Heart Palpitations? UK Evidence and Guidance

Does Prednisone Cause Erectile Dysfunction? UK Medical Guide

Does Isosorbide Help Erectile Dysfunction? Safety and Alternatives

How Much Salmon Per Week: NHS Guidance for Adults

How to Lose Weight Safely: Evidence-Based Tips

Bruising from Trulicity Injection: Causes, Prevention and Management