Bolt Guides

Expert insights on weight loss and more.

Featured

Should You Feel Hungry in a Calorie Deficit? What to Expect

Weight Loss

min read

Should You Feel Hungry in a Calorie Deficit? What to Expect

Should you feel hungry in a calorie deficit? Learn why hunger is normal during weight loss, how hormones like ghrelin and leptin drive appetite, and NHS-backed strategies to manage hunger safely and sustainably.

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Weight loss

Read all on weight loss

Weight Loss

min read

Should You Feel Hungry in a Calorie Deficit? What to Expect

Which Diuretic Causes Gynaecomastia? Spironolactone Explained

Weight Loss

min read

Which Diuretic Causes Gynaecomastia? Spironolactone Explained

Which diuretic causes gynaecomastia? Spironolactone is the main culprit. Learn why it affects breast tissue in men, how it compares to other diuretics, and what UK guidance says about managing this side effect.

Lemon Water and Fatty Liver: Evidence and Effective Treatments

Weight Loss

min read

Lemon Water and Fatty Liver: Evidence and Effective Treatments

Can lemon water help fatty liver disease? Discover the evidence behind this popular claim, understand what fatty liver disease is, and learn about proven treatments recommended by UK health guidance for managing liver health effectively.

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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.

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GLP-1 Brands

min read

Retatrutide on a Plane: UK Rules for Flying with This Injectable

Retatrutide on a plane — find out the UK rules for flying with this injectable medication, including documentation, storage, airport security, and international travel advice.

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Retatrutide on a Plane: UK Rules for Flying with This Injectable

Ozempic Meal Plan for Weight Loss: Evidence-Based UK Guide

GLP-1 Brands

min read

Ozempic Meal Plan for Weight Loss: Evidence-Based UK Guide

Discover evidence-based meal planning strategies for Ozempic (semaglutide) users. Learn which foods to prioritise, how to manage side effects, and create sustainable eating habits aligned with UK guidance for safe, effective weight management.

Does Ozempic Cause Heat Intolerance? UK Evidence and Guidance

GLP-1 Brands

min read

Does Ozempic Cause Heat Intolerance? UK Evidence and Guidance

Does Ozempic cause heat intolerance? Explore the evidence behind temperature sensitivity on semaglutide, potential causes like dehydration, and practical management strategies for UK patients with type 2 diabetes.

Does Ozempic Cause Hot Flushes? Evidence and Management

GLP-1 Brands

min read

Does Ozempic Cause Hot Flushes? Evidence and Management

Does Ozempic cause hot flushes? Explore the evidence, potential indirect mechanisms, and practical management strategies for vasomotor symptoms during semaglutide treatment for type 2 diabetes.

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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

Tadalafil & Brain Blood Flow: What the Evidence Shows

Erectile Dysfunction

min read

Tadalafil & Brain Blood Flow: What the Evidence Shows

Can tadalafil support brain health? Explore clinical evidence on cerebral blood flow, cognitive effects, and UK safety guidance for daily low-dose use.

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Testosterone

min read

What Does Testogel Do for Men? UK Guide to Testosterone Gel

Discover what Testogel does for men with testosterone deficiency. Learn how this prescription TRT gel works, its benefits for sexual function and muscle mass, proper application techniques, side effects, and essential safety guidance from UK medical experts.

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.

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.

How Long Do NAD Side Effects Last? Duration and Recovery

Supplements

min read

How Long Do NAD Side Effects Last? Duration and Recovery

How long do NAD side effects last? Discover the typical duration of NAD+ therapy side effects, from IV infusions to oral supplements, plus when to seek medical advice and UK regulatory guidance.

Best Glutathione for Fatty Liver: UK Guide to Supplements

Weight Loss

min read

Best Glutathione for Fatty Liver: UK Guide to Supplements

Discover the best glutathione supplements for fatty liver disease in the UK, including liposomal, NAC, and acetyl-glutathione. Learn about bioavailability, safety, NHS guidance, and how glutathione fits with evidence-based lifestyle interventions for NAFLD management.

Erectile Dysfunction

min read

Does Lion's Mane Help with Erectile Dysfunction? UK Evidence Review

Does lion's mane help with erectile dysfunction? Explore the current evidence, proposed mechanisms, safety concerns, and proven NHS treatment options for ED in this comprehensive UK medical guide.

Erectile Dysfunction

min read

Does Carbamazepine Cause Erectile Dysfunction? UK Evidence and Management

Does carbamazepine cause erectile dysfunction? Explore the evidence, mechanisms including testosterone reduction, and practical NHS management options for sexual health concerns on this anticonvulsant medication.

Can You Get Weight Loss Injections for PCOS? UK Guide

Wegovy

min read

Can You Get Weight Loss Injections for PCOS? UK Guide

Can you get weight loss injections for PCOS? Discover NHS eligibility criteria, GLP-1 medications like Wegovy and Saxenda, clinical evidence, and alternative weight management options for women with polycystic ovary syndrome in the UK.

Ozempic and Hair Loss: Evidence, Causes and Management

GLP-1 Brands

min read

Ozempic and Hair Loss: Evidence, Causes and Management

Ozempic and hair loss: discover the evidence linking semaglutide to hair thinning, why it may occur during treatment, and practical strategies to manage and prevent hair loss whilst maintaining effective type 2 diabetes control in the UK.

How to Build Muscle in a Calorie Deficit: UK Evidence-Based Guide

Weight Loss

min read

How to Build Muscle in a Calorie Deficit: UK Evidence-Based Guide

Building muscle in a calorie deficit is possible with the right approach. Discover evidence-based UK guidance on protein intake, resistance training, and safe deficit sizes to achieve body recomposition effectively.

Vitamin K Deficiency Bleeding: Causes & Prevention

Supplements

min read

Vitamin K Deficiency Bleeding: Causes & Prevention

Learn what causes VKDB in newborns, how to recognise warning signs, and why vitamin K prophylaxis at birth is recommended by NHS guidelines.

Erectile Dysfunction

min read

Does Cirrhosis Cause Erectile Dysfunction? UK Medical Guide

Does cirrhosis cause erectile dysfunction? Discover how liver cirrhosis affects sexual function through hormonal changes, vascular complications, and neurological factors. Learn about safe treatment options, when to seek medical advice, and how UK specialists manage ED in men with liver disease.

Bio-Rad D-10 HbA1c Manual: NHS Laboratory Guide to HPLC Testing

Weight Loss

min read

Bio-Rad D-10 HbA1c Manual: NHS Laboratory Guide to HPLC Testing

Bio-Rad D-10 HbA1c manual guidance for NHS laboratories — covering HPLC operating instructions, calibration, QC, UKAS compliance, result interpretation per NICE, troubleshooting, and MHRA regulations.

Wegovy

min read

Can Wegovy Be Stored at Room Temperature? UK Storage Guidelines

Can Wegovy be stored at room temperature? Discover MHRA-approved storage guidelines, how long Wegovy can stay unrefrigerated, and essential tips for maintaining medication effectiveness during travel and daily use.

Erectile Dysfunction

min read

Does Lamictal Cause Erectile Dysfunction? Evidence and Management

Does Lamictal cause erectile dysfunction? Discover the evidence linking lamotrigine to sexual side effects, understand the mechanisms involved, and learn practical management strategies including when to seek medical advice and available treatment options.

Rybelsus Storage: Temperature & Handling Guide

GLP-1 Brands

min read

Rybelsus Storage: Temperature & Handling Guide

Store Rybelsus correctly to protect its effectiveness. Learn the right temperature, moisture precautions, and travel tips for this oral semaglutide tablet.

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.

Carnivore Fatty Liver Reset: Evidence, Risks and UK Treatment

Weight Loss

min read

Carnivore Fatty Liver Reset: Evidence, Risks and UK Treatment

Can a carnivore fatty liver reset reverse NAFLD? Explore the evidence, mechanisms, risks, and UK-approved treatments for fatty liver disease. Expert medical guidance on dietary approaches and when to seek help.

Bolt Guides

Featured

Should You Feel Hungry in a Calorie Deficit? What to Expect

Weight loss

Should You Feel Hungry in a Calorie Deficit? What to Expect

Which Diuretic Causes Gynaecomastia? Spironolactone Explained

Lemon Water and Fatty Liver: Evidence and Effective Treatments

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide on a Plane: UK Rules for Flying with This Injectable

Ozempic Meal Plan for Weight Loss: Evidence-Based UK Guide

Does Ozempic Cause Heat Intolerance? UK Evidence and Guidance

Does Ozempic Cause Hot Flushes? Evidence and Management

Men’s Health

Testosterone

Erectile dysfunction

Tadalafil & Brain Blood Flow: What the Evidence Shows

What Does Testogel Do for Men? UK Guide to Testosterone Gel

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Browse all

How Long Do NAD Side Effects Last? Duration and Recovery

Best Glutathione for Fatty Liver: UK Guide to Supplements

Does Lion's Mane Help with Erectile Dysfunction? UK Evidence Review

Does Carbamazepine Cause Erectile Dysfunction? UK Evidence and Management

Can You Get Weight Loss Injections for PCOS? UK Guide

Ozempic and Hair Loss: Evidence, Causes and Management

How to Build Muscle in a Calorie Deficit: UK Evidence-Based Guide

Vitamin K Deficiency Bleeding: Causes & Prevention

Does Cirrhosis Cause Erectile Dysfunction? UK Medical Guide

Bio-Rad D-10 HbA1c Manual: NHS Laboratory Guide to HPLC Testing

Can Wegovy Be Stored at Room Temperature? UK Storage Guidelines

Does Lamictal Cause Erectile Dysfunction? Evidence and Management

Rybelsus Storage: Temperature & Handling Guide

Magnesium L-Threonate Benefits: Evidence Reviewed

Carnivore Fatty Liver Reset: Evidence, Risks and UK Treatment

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