Bolt Guides

Expert insights on weight loss and more.

Featured

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

GLP-1 Brands

min read

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

Lipo C with retatrutide: understand what these unlicensed and investigational treatments are, how they are used in weight management, key safety risks, and UK regulatory guidance before considering either therapy.

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Weight loss

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Abnormal HbA1c ICD-10 Codes: UK Clinical Guide and NHS Thresholds

Weight Loss

min read

Abnormal HbA1c ICD-10 Codes: UK Clinical Guide and NHS Thresholds

Abnormal HbA1c ICD-10 codes explained for UK clinical practice — covering R73.0, R73.9, NHS diagnostic thresholds, NICE guidance, and when to refer. Read our full clinical guide.

Comparison of Blood Glucose, HbA1c and Fructosamine: NHS Guide

Weight Loss

min read

Comparison of Blood Glucose, HbA1c and Fructosamine: NHS Guide

Comparison of blood glucose, HbA1c, and fructosamine explained — discover how each test works, when it's used in NHS practice, their limitations, and how to understand your results.

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.

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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

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

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Retatrutide: Can Anyone Take It and Is It Available in the UK?

GLP-1 Brands

min read

Retatrutide: Can Anyone Take It and Is It Available in the UK?

Can anyone take retatrutide? Find out who may be eligible, who should avoid it, its current UK regulatory status, potential side effects, and how to speak to your GP about obesity treatment options.

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

GLP-1 Brands

min read

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

1 month retatrutide results explained: what Phase 2 trial data shows about early weight loss, common side effects, realistic expectations, and UK regulatory status in 2025.

Retatrutide Fridge Storage: What You Need to Know

GLP-1 Brands

min read

Retatrutide Fridge Storage: What You Need to Know

Retatrutide storage in the fridge explained: why no confirmed shelf-life exists yet, correct refrigeration conditions, signs of degradation, and what to do if the product is left out of the fridge.

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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

Can Cialis Cause Gynaecomastia? Tadalafil Side Effects Explained

Erectile Dysfunction

min read

Can Cialis Cause Gynaecomastia? Tadalafil Side Effects Explained

Can Cialis cause gynaecomastia? Learn what the MHRA-approved evidence says about tadalafil and breast tissue changes, known side effects, and when to see a GP.

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Testosterone

min read

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Can testosterone cause gynaecomastia? Learn how testosterone converts to oestrogen, who is most at risk, how to spot symptoms, and what NHS treatment options are available.

Testosterone

min read

Testosterone Booster for Gynaecomastia: Evidence, Risks and UK Treatment Options

Testosterone booster for gynaecomastia — does it work? Explore the evidence, safety risks, MHRA and NHS guidance, and clinically recognised UK treatment options for enlarged male breast tissue.

Testosterone

min read

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Calorie deficit effect on testosterone explained — learn how energy restriction affects hormone levels, warning signs to watch for, and evidence-based steps to protect testosterone while losing weight safely.

Wegovy

min read

Wegovy and Phentermine Together: UK Safety Guide

Find out why combining Wegovy and phentermine isn't recommended in the UK, what the risks are, and which evidence-based alternatives are available instead.

Chips for Fatty Liver: Evidence-Based Dietary Guidance

Weight Loss

min read

Chips for Fatty Liver: Evidence-Based Dietary Guidance

Discover how chips affect fatty liver disease and explore healthier alternatives. Evidence-based guidance on managing NAFLD through dietary choices, cooking methods, and lifestyle modifications aligned with UK clinical recommendations.

Erectile Dysfunction

min read

Does Chlamydia Cause Erectile Dysfunction? UK Medical Evidence

Does chlamydia cause erectile dysfunction? Discover the evidence-based answer, how chlamydia affects male sexual health, treatment options, and when to seek medical advice for both conditions in the UK.

Nails and Zinc Deficiency: Causes, Symptoms and Treatment

Supplements

min read

Nails and Zinc Deficiency: Causes, Symptoms and Treatment

Discover how nails and zinc deficiency are connected. Learn to recognise nail changes linked to low zinc, understand causes, diagnosis, and evidence-based treatment options for healthy nails.

Does Magnesium Help Fatty Liver? Evidence and Guidance

Weight Loss

min read

Does Magnesium Help Fatty Liver? Evidence and Guidance

Does magnesium help fatty liver disease? Discover what current research reveals about magnesium's role in NAFLD, evidence-based dietary strategies, and when supplementation may be appropriate for liver health.

How Much GLP-1 to Take: UK Dosing Guidelines

Weight Loss

min read

How Much GLP-1 to Take: UK Dosing Guidelines

Discover how much GLP-1 to take for type 2 diabetes and weight management. Learn about personalised dosing for semaglutide, dulaglutide, and liraglutide, including UK prescribing guidelines, dose adjustments, and safety considerations from your GP.

Wegovy

min read

How to Stop Hair Loss from Wegovy: UK Medical Guide

Discover how to stop hair loss from Wegovy with expert guidance on causes, prevention, and treatment. Learn about nutritional strategies, when to seek medical advice, and UK-specific recommendations for managing hair shedding during semaglutide treatment.

Fish Oil for Gynaecomastia: Evidence, Treatments, and When to Seek Help

Weight Loss

min read

Fish Oil for Gynaecomastia: Evidence, Treatments, and When to Seek Help

Fish oil for gynaecomastia: does it work? Discover what the clinical evidence shows, recognised NHS treatments, safety considerations, and when to see your GP about male breast tissue changes.

Erectile Dysfunction

min read

Does Pelvic Floor Dysfunction Cause Erectile Dysfunction? UK Guide

Does pelvic floor dysfunction cause erectile dysfunction? Discover how weakened pelvic floor muscles contribute to erectile difficulties, the mechanisms involved, diagnostic approaches, and evidence-based treatment options including pelvic floor muscle training and lifestyle modifications for improved sexual function.

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Weight Loss

min read

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Protein shakes for gastric sleeve surgery: find out when to start, how to choose the right product, daily protein targets, and how to transition to a balanced diet. NHS-aligned guidance.

Vitamin D Sun Lamps: Do They Work and Are They Safe?

Supplements

min read

Vitamin D Sun Lamps: Do They Work and Are They Safe?

Discover whether vitamin D sun lamps work, how they differ from SAD lamps, and why UK health authorities recommend safer alternatives like supplements for maintaining vitamin D levels during winter months.

Will Victoza Make You Tired? Fatigue and Liraglutide Explained

GLP-1 Brands

min read

Will Victoza Make You Tired? Fatigue and Liraglutide Explained

Will Victoza make you tired? Discover why some patients experience fatigue with liraglutide, how to manage tiredness, and when to seek medical advice for this GLP-1 receptor agonist used in type 2 diabetes treatment.

Phlegm After Gastric Sleeve Surgery: Causes, Management and When to Seek Help

Weight Loss

min read

Phlegm After Gastric Sleeve Surgery: Causes, Management and When to Seek Help

Phlegm after gastric sleeve surgery is common but manageable. Learn why excess mucus occurs, practical NHS-aligned tips to reduce it, and when to seek urgent medical advice.

Omega-3 Fatty Acid Daily Dose: UK Recommendations and Guidance

Supplements

min read

Omega-3 Fatty Acid Daily Dose: UK Recommendations and Guidance

Discover the recommended omega-3 fatty acid daily dose in the UK. Learn how much EPA and DHA you need for heart health, safe upper limits, food sources versus supplements, and tailored guidance for pregnancy and specific health conditions.

Hair Loss

min read

Monday Shampoo Hair Loss: Ingredients, Causes, and UK Guidance

Monday Shampoo and hair loss: is there a real link? Explore the ingredients, common causes of shedding, UK clinical guidance, and when to see a GP or dermatologist.

Bolt Guides

Featured

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

Weight loss

Abnormal HbA1c ICD-10 Codes: UK Clinical Guide and NHS Thresholds

Comparison of Blood Glucose, HbA1c and Fructosamine: NHS Guide

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

GLP-1 Brands

Wegovy

Mounjaro

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

Retatrutide: Can Anyone Take It and Is It Available in the UK?

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

Retatrutide Fridge Storage: What You Need to Know

Men’s Health

Testosterone

Erectile dysfunction

Can Cialis Cause Gynaecomastia? Tadalafil Side Effects Explained

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Testosterone Booster for Gynaecomastia: Evidence, Risks and UK Treatment Options

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Browse all

Wegovy and Phentermine Together: UK Safety Guide

Chips for Fatty Liver: Evidence-Based Dietary Guidance

Does Chlamydia Cause Erectile Dysfunction? UK Medical Evidence

Nails and Zinc Deficiency: Causes, Symptoms and Treatment

Does Magnesium Help Fatty Liver? Evidence and Guidance

How Much GLP-1 to Take: UK Dosing Guidelines

How to Stop Hair Loss from Wegovy: UK Medical Guide

Fish Oil for Gynaecomastia: Evidence, Treatments, and When to Seek Help

Does Pelvic Floor Dysfunction Cause Erectile Dysfunction? UK Guide

Protein Shakes for Gastric Sleeve Surgery: UK Nutritional Guide

Vitamin D Sun Lamps: Do They Work and Are They Safe?

Will Victoza Make You Tired? Fatigue and Liraglutide Explained

Phlegm After Gastric Sleeve Surgery: Causes, Management and When to Seek Help

Omega-3 Fatty Acid Daily Dose: UK Recommendations and Guidance

Monday Shampoo Hair Loss: Ingredients, Causes, and UK Guidance

Personalized weight management for women