Bolt Guides

Expert insights on weight loss and more.

Featured

Does Meat Cause Visceral Fat? Evidence, NHS Guidance, and Practical Advice

Weight Loss

min read

Does Meat Cause Visceral Fat? Evidence, NHS Guidance, and Practical Advice

Does meat cause visceral fat? Explore the evidence on red, processed, and white meat, NHS dietary guidance, and practical steps to reduce visceral fat through diet and lifestyle.

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Weight loss

Read all on weight loss

Weight Loss

min read

Does Meat Cause Visceral Fat? Evidence, NHS Guidance, and Practical Advice

Does meat cause visceral fat? Explore the evidence on red, processed, and white meat, NHS dietary guidance, and practical steps to reduce visceral fat through diet and lifestyle.

HbA1c Non-Fasting Range: UK Reference Ranges Explained

Weight Loss

min read

HbA1c Non-Fasting Range: UK Reference Ranges Explained

Understand your HbA1c result without fasting. See UK reference ranges for normal, borderline, and diabetes levels in mmol/mol — and what to do next.

Seaweed After Gastric Sleeve: Benefits & Safety Tips

Weight Loss

min read

Seaweed After Gastric Sleeve: Benefits & Safety Tips

Discover which seaweed varieties are safe after gastric sleeve surgery, when to introduce them, and key nutritional tips for bariatric patients.

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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

How to Use a Trulicity Pen: Injection Guide

Step-by-step guide to using your Trulicity (dulaglutide) pen correctly. Covers injection technique, site rotation, storage and common errors to avoid.

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How to Use a Trulicity Pen: Injection Guide

Does Trulicity Cause Hair Loss? Facts About Dulaglutide

GLP-1 Brands

min read

Does Trulicity Cause Hair Loss? Facts About Dulaglutide

Does Trulicity cause hair loss? Discover the facts about dulaglutide and hair thinning, including indirect causes, what to do if you experience shedding, and when to seek medical advice for this type 2 diabetes medication.

Victoza for Weight Loss: UK Medical Guide

GLP-1 Brands

min read

Victoza for Weight Loss: UK Medical Guide

Considering Victoza for weight loss? Understand how liraglutide works, its licensed uses in the UK, and what results you can realistically expect.

Victoza Side Effects: Does It Cause Bloating?

GLP-1 Brands

min read

Victoza Side Effects: Does It Cause Bloating?

Victoza can cause bloating and digestive side effects. Learn why liraglutide affects digestion, how to manage symptoms, and when to see your GP.

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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

Prostatitis, UTIs & Erectile Dysfunction Explained

Pain when urinating and erectile dysfunction may share a cause. Discover how prostatitis and UTIs affect sexual health and available NHS treatments.

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Testosterone

min read

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Can testosterone treatment cause heart palpitations? Discover the cardiovascular effects of TRT, risk factors, warning signs, and when to seek medical advice. Expert guidance on safe monitoring and management during testosterone therapy.

Post Cycle Therapy After Steroids: Can Testogel Help?

Testosterone

min read

Post Cycle Therapy After Steroids: Can Testogel Help?

Testogel isn't suitable for PCT. Learn why it suppresses natural testosterone and discover UK-approved options for hormonal recovery.

Testosterone

min read

How Many Days of Testosterone Gel Pump Treatment Are Needed?

How many days of testosterone gel pump treatment do you need? Discover why testosterone replacement therapy isn't measured in days but requires long-term management. Learn about treatment timelines, monitoring schedules, and when to review your therapy with evidence-based UK guidance.

How Long Does a B12 Injection Last? UK Treatment Guide

Supplements

min read

How Long Does a B12 Injection Last? UK Treatment Guide

How long does a B12 injection last? Discover the duration of hydroxocobalamin injections, recommended treatment schedules for pernicious anaemia, factors affecting B12 levels, and signs your levels may be dropping. UK guidance from NICE and BNF explained.

Hirsutism and Gynaecomastia: Causes, Diagnosis, and NHS Treatment

Weight Loss

min read

Hirsutism and Gynaecomastia: Causes, Diagnosis, and NHS Treatment

Hirsutism and gynaecomastia explained: causes, NHS diagnosis, treatments, and when to see your GP. Clear UK clinical guidance on managing these hormonal conditions.

Saxenda and Thyroid Cancer: UK Evidence Explained

GLP-1 Brands

min read

Saxenda and Thyroid Cancer: UK Evidence Explained

Does Saxenda cause thyroid cancer? Explore UK clinical evidence on liraglutide, thyroid tumour risk, warning signs, and MHRA prescribing guidance.

Magnesium Supplement for Calm: Benefits, Dosage and Safety

Supplements

min read

Magnesium Supplement for Calm: Benefits, Dosage and Safety

Discover how magnesium supplement for calm may support relaxation through its effects on brain chemistry and stress response. Learn about different supplement types, recommended dosages, safety considerations, and when to seek professional advice for stress and anxiety management.

Weight Loss

min read

Topamax for Weight Loss: What UK Patients Need to Know

Is Topamax a weight loss pill? Find out what topiramate is actually licensed for in the UK, its serious side effects, pregnancy risks, and which NHS-approved weight loss treatments are available instead.

How Much Zinc to Increase Sperm Volume: Evidence-Based Guidance

Supplements

min read

How Much Zinc to Increase Sperm Volume: Evidence-Based Guidance

Discover how much zinc to increase sperm volume with evidence-based guidance on dosage, timeframes, and realistic expectations. Learn about zinc's role in male fertility, recommended supplementation levels, and when to seek medical advice for low semen volume concerns.

Omega Fatty Acids and Vitamins: UK Guide to Benefits and Safety

Supplements

min read

Omega Fatty Acids and Vitamins: UK Guide to Benefits and Safety

Discover how omega fatty acids and vitamins work together to support heart, brain, and immune health. Learn about UK-recommended doses, food sources, and safety considerations for combining these essential nutrients in your diet.

Can I Take Vitamin D at Night? Timing and Safety Guide

Supplements

min read

Can I Take Vitamin D at Night? Timing and Safety Guide

Can you take vitamin D at night? Discover the best time to take vitamin D supplements, whether timing affects sleep quality, and how to supplement safely according to NHS and NICE guidance for optimal absorption and adherence.

Does Ozempic Lower Cortisol? Evidence and Guidance

GLP-1 Brands

min read

Does Ozempic Lower Cortisol? Evidence and Guidance

Does Ozempic lower cortisol levels? Explore the evidence on semaglutide's effects on stress hormones, cortisol regulation, and evidence-based approaches to managing cortisol in the UK.

Omega-3 in Salmon: Content, Health Benefits and Preparation Guide

Supplements

min read

Omega-3 in Salmon: Content, Health Benefits and Preparation Guide

Discover how omega-3 in salmon supports heart health, brain function, and inflammation control. Learn which salmon types contain the most EPA and DHA, how much you need, and evidence-based preparation methods to maximise nutritional benefits whilst following NHS guidance.

Erectile Dysfunction

min read

Is Levitra Better Than Sildenafil for Erectile Dysfunction?

Is Levitra better than sildenafil for erectile dysfunction? Compare effectiveness, side effects, and costs of these PDE5 inhibitors. Expert UK guidance on choosing the right ED treatment for you.

Hair Loss

min read

Can Prolia Cause Hair Loss? UK Evidence and Side Effects Explained

Can Prolia cause hair loss? Learn what UK clinical evidence and MHRA guidance say about denosumab and alopecia, plus Prolia's real side effects and when to see your GP.

Wegovy

min read

Can You Eat Peanut Butter on Wegovy? UK Clinical Guidance

Can you eat peanut butter on Wegovy? Discover how to safely include peanut butter in your Wegovy diet plan, with expert guidance on portion control, nutritional considerations, managing side effects, and optimising weight loss results whilst taking semaglutide.

How to Bring Down HbA1c Naturally: Evidence-Based Strategies

Weight Loss

min read

How to Bring Down HbA1c Naturally: Evidence-Based Strategies

How to bring down HbA1c naturally — discover evidence-based dietary, exercise, and lifestyle strategies aligned with NICE and NHS guidance to lower your blood sugar levels safely.

Wegovy

min read

Wegovy Shelf Life: Storage Guidelines and Expiry Information

Discover everything you need to know about Wegovy shelf life, including proper storage guidelines, how to identify expired medication, and practical tips to maintain semaglutide's efficacy for safe and effective weight management.

Bolt Guides

Featured

Does Meat Cause Visceral Fat? Evidence, NHS Guidance, and Practical Advice

Weight loss

Does Meat Cause Visceral Fat? Evidence, NHS Guidance, and Practical Advice

HbA1c Non-Fasting Range: UK Reference Ranges Explained

Seaweed After Gastric Sleeve: Benefits & Safety Tips

GLP-1 Brands

Wegovy

Mounjaro

How to Use a Trulicity Pen: Injection Guide

Does Trulicity Cause Hair Loss? Facts About Dulaglutide

Victoza for Weight Loss: UK Medical Guide

Victoza Side Effects: Does It Cause Bloating?

Men’s Health

Testosterone

Erectile dysfunction

Prostatitis, UTIs & Erectile Dysfunction Explained

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Post Cycle Therapy After Steroids: Can Testogel Help?

How Many Days of Testosterone Gel Pump Treatment Are Needed?

Browse all

How Long Does a B12 Injection Last? UK Treatment Guide

Hirsutism and Gynaecomastia: Causes, Diagnosis, and NHS Treatment

Saxenda and Thyroid Cancer: UK Evidence Explained

Magnesium Supplement for Calm: Benefits, Dosage and Safety

Topamax for Weight Loss: What UK Patients Need to Know

How Much Zinc to Increase Sperm Volume: Evidence-Based Guidance

Omega Fatty Acids and Vitamins: UK Guide to Benefits and Safety

Can I Take Vitamin D at Night? Timing and Safety Guide

Does Ozempic Lower Cortisol? Evidence and Guidance

Omega-3 in Salmon: Content, Health Benefits and Preparation Guide

Is Levitra Better Than Sildenafil for Erectile Dysfunction?

Can Prolia Cause Hair Loss? UK Evidence and Side Effects Explained

Can You Eat Peanut Butter on Wegovy? UK Clinical Guidance

How to Bring Down HbA1c Naturally: Evidence-Based Strategies

Wegovy Shelf Life: Storage Guidelines and Expiry Information

Personalized weight management for women