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.

Does Magnesium Help with Anxiety? Evidence and Safety Guide

Supplements

min read

Does Magnesium Help with Anxiety? Evidence and Safety Guide

Does magnesium help with anxiety? Discover what the evidence shows about magnesium supplementation for anxiety symptoms, recommended doses, safety considerations, and when to seek medical advice for persistent anxiety.

Does Testogel Work? Evidence, Timeframes and Effectiveness

Testosterone

min read

Does Testogel Work? Evidence, Timeframes and Effectiveness

Does Testogel work for low testosterone? Discover the clinical evidence, how long it takes to see results, factors affecting effectiveness, and what to expect from this UK-licensed testosterone replacement therapy.

Gas After Gastric Sleeve: Causes, Remedies, and When to Seek Help

Weight Loss

min read

Gas After Gastric Sleeve: Causes, Remedies, and When to Seek Help

Gas after gastric sleeve surgery is common but manageable. Learn why it happens, which foods trigger bloating, practical tips to reduce wind, and when to seek medical advice.

Mounjaro

min read

What to Eat on Mounjaro Injection Day: UK Dietary Guidance

Discover what to eat on Mounjaro injection day to minimise side effects and support your treatment. Expert UK guidance on foods to choose, avoid, and when to seek medical advice for tirzepatide therapy.

Hair Loss

min read

Is Hair Loss a Side Effect of Tymlos (Abaloparatide)?

Is hair loss a side effect of Tymlos (abaloparatide)? Find out what clinical evidence and prescribing information say, plus recognised side effects, causes of hair shedding in postmenopausal women, and when to see your GP.

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.

Vitamin D 50000 International Units: Prescription Treatment for Severe Deficiency

Supplements

min read

Vitamin D 50000 International Units: Prescription Treatment for Severe Deficiency

Vitamin D 50000 international units: discover when this high-dose prescription treatment is needed for severe deficiency, how to take it safely, potential side effects, who should avoid it, and essential monitoring guidance from UK clinical experts.

Does Ozempic Lower Uric Acid? Evidence and Management Guidance

GLP-1 Brands

min read

Does Ozempic Lower Uric Acid? Evidence and Management Guidance

Does Ozempic lower uric acid levels? Explore the emerging evidence on semaglutide's effect on serum urate, its mechanisms, and what patients with gout or hyperuricaemia need to know about managing uric acid whilst taking Ozempic.

What to Stack With Retatrutide: UK Safety and Clinical Guidance

GLP-1 Brands

min read

What to Stack With Retatrutide: UK Safety and Clinical Guidance

What to stack with retatrutide? Learn about safety considerations, potential interactions, lifestyle factors, and what UK clinical guidance says about combining this investigational triple receptor agonist with other substances.

Do Most Older People Get Fatty Liver? UK Prevalence and Facts

Weight Loss

min read

Do Most Older People Get Fatty Liver? UK Prevalence and Facts

Do most older people get fatty liver? Discover the facts about NAFLD prevalence in elderly adults, why age increases risk, and how lifestyle changes can prevent and manage fatty liver disease in later life.

Best Foods to Eat on Saxenda: UK Expert Nutrition Guide

GLP-1 Brands

min read

Best Foods to Eat on Saxenda: UK Expert Nutrition Guide

Discover the best foods to eat on Saxenda for optimal weight management. Expert UK guidance on high-protein choices, fibre-rich options, meal planning strategies, and foods to limit whilst taking liraglutide for safe, effective results.

Mounjaro

min read

Mounjaro and Bodybuilding: Safety, Risks and Medical Guidance

Mounjaro and bodybuilding: understand how tirzepatide works, why athletes consider it, potential risks to muscle mass and performance, and essential medical guidance before use. Expert UK clinical advice.

Probiotics and Diverticular Disease: Evidence and Guidance

Supplements

min read

Probiotics and Diverticular Disease: Evidence and Guidance

Discover how probiotics and diverticular disease are connected. Learn about the evidence, potential benefits, safety considerations, and when to seek medical advice for this common bowel condition affecting UK adults.

Hair Loss

min read

Does Low Potassium Cause Hair Loss? Evidence, Treatment & Advice

Does low potassium cause hair loss? Explore the clinical evidence, how hypokalaemia affects hair follicles, related nutrient deficiencies, NHS treatment options, and when to see your GP.

Mounjaro

min read

Does Mounjaro Make Your Pee Yellow? UK Guide

Does Mounjaro make your pee yellow? Discover why urine colour may change whilst taking tirzepatide, when dehydration is a concern, and how to manage side effects safely with expert UK guidance.

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

Does Magnesium Help with Anxiety? Evidence and Safety Guide

Does Testogel Work? Evidence, Timeframes and Effectiveness

Gas After Gastric Sleeve: Causes, Remedies, and When to Seek Help

What to Eat on Mounjaro Injection Day: UK Dietary Guidance

Is Hair Loss a Side Effect of Tymlos (Abaloparatide)?

What Nitrates to Avoid with Tadalafil: Essential Safety Guide

Vitamin D 50000 International Units: Prescription Treatment for Severe Deficiency

Does Ozempic Lower Uric Acid? Evidence and Management Guidance

What to Stack With Retatrutide: UK Safety and Clinical Guidance

Do Most Older People Get Fatty Liver? UK Prevalence and Facts

Best Foods to Eat on Saxenda: UK Expert Nutrition Guide

Mounjaro and Bodybuilding: Safety, Risks and Medical Guidance

Probiotics and Diverticular Disease: Evidence and Guidance

Does Low Potassium Cause Hair Loss? Evidence, Treatment & Advice

Does Mounjaro Make Your Pee Yellow? UK Guide