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.

Read Mounjaro guides

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.

Effect of Polycythaemia on HbA1c: Reliability, Alternatives and UK Guidance

Weight Loss

min read

Effect of Polycythaemia on HbA1c: Reliability, Alternatives and UK Guidance

Effect of polycythaemia on HbA1c explained: why results may be unreliable, how venesection affects accuracy, and which alternative glycaemic tests are recommended in UK clinical practice.

Can Trulicity Make You Tired? Causes and Management

GLP-1 Brands

min read

Can Trulicity Make You Tired? Causes and Management

Can Trulicity make you tired? Discover how this type 2 diabetes medication may cause fatigue, how common tiredness is, practical management strategies, and when to contact your GP for persistent or severe symptoms.

Smoking and Gastric Sleeve Surgery: UK Guidelines, Risks, and Quitting Support

Weight Loss

min read

Smoking and Gastric Sleeve Surgery: UK Guidelines, Risks, and Quitting Support

Smoking and gastric sleeve surgery: find out why UK bariatric teams require you to quit before surgery, what NICE and NHS guidelines say, key health risks, and free NHS support to help you stop smoking.

Does Sildenafil Cause Weight Gain? Clinical Evidence

Erectile Dysfunction

min read

Does Sildenafil Cause Weight Gain? Clinical Evidence

Sildenafil and weight gain: review the clinical evidence, side effects, and what really affects your weight. UK medical guidance explained.

GLP-1 with Hashimoto's Disease: Safety and Monitoring Guide

Weight Loss

min read

GLP-1 with Hashimoto's Disease: Safety and Monitoring Guide

Can you safely take GLP-1 medications with Hashimoto's disease? Discover essential guidance on interactions, monitoring requirements, and safety considerations for combining GLP-1 receptor agonists with thyroid hormone replacement therapy.

How to Take Rybelsus in Ramadan: Safe Fasting Guide

GLP-1 Brands

min read

How to Take Rybelsus in Ramadan: Safe Fasting Guide

Discover how to take Rybelsus safely during Ramadan fasting. Expert guidance on timing doses at Suhoor or Iftar, managing blood sugar levels, and adjusting your diabetes treatment plan for safe observance.

Allergy Medication Safe for Kidneys: UK Guide to CKD

Supplements

min read

Allergy Medication Safe for Kidneys: UK Guide to CKD

Allergy medication safe for kidneys — find out which antihistamines, nasal sprays, and treatments are suitable for CKD, which require dose adjustment, and what to avoid. UK-aligned guidance.

Wegovy

min read

How Many Calories on Wegovy: Personalised Guidance for Weight Management

How many calories on Wegovy? Discover personalised calorie guidance for Wegovy treatment, including recommended deficits, balanced nutrition, appetite effects, and monitoring strategies aligned with UK clinical guidance for sustainable weight management.

What Is a Normal B12 Number? UK Reference Ranges Explained

Supplements

min read

What Is a Normal B12 Number? UK Reference Ranges Explained

What is a normal B12 number in the UK? Learn the reference ranges (pmol/L), how to interpret your blood test results, symptoms of deficiency, and when to get tested according to NHS and NICE guidance.

Insulated Travel Case for Ozempic: UK Storage and Transport Guide

GLP-1 Brands

min read

Insulated Travel Case for Ozempic: UK Storage and Transport Guide

Discover how insulated travel cases for Ozempic protect your diabetes medication during travel. Expert guidance on temperature control, choosing the right case, and NHS storage guidelines to maintain medication efficacy.

Can't Lose Weight in a Calorie Deficit? Causes and UK Solutions

Weight Loss

min read

Can't Lose Weight in a Calorie Deficit? Causes and UK Solutions

Can't lose weight even in a calorie deficit? Discover the medical, hormonal, and lifestyle reasons your weight may have stalled — plus NHS-recommended steps and UK treatment options.

Calorie Deficit but Not Losing Weight: Causes and Solutions

Weight Loss

min read

Calorie Deficit but Not Losing Weight: Causes and Solutions

Discover why you might be in a calorie deficit but not losing weight. Learn about metabolic adaptation, medical conditions, medications, and tracking errors that prevent weight loss—plus practical solutions backed by NHS and NICE guidance.

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Supplements

min read

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Astelin prescription allergy medication (azelastine nasal spray) explained: how it works, UK prescribing guidance, dosing, side effects, drug interactions, and NHS alternatives for allergic rhinitis.

Can You Eat Pasta on a Calorie Deficit? A UK Guide

Weight Loss

min read

Can You Eat Pasta on a Calorie Deficit? A UK Guide

Can you eat pasta on a calorie deficit? Yes — find out how to manage portions, choose the right type, and build satisfying, calorie-conscious pasta meals, all in line with NHS guidance.

4:3 Intermittent Fasting: Benefits, Safety, and UK Guidance

Weight Loss

min read

4:3 Intermittent Fasting: Benefits, Safety, and UK Guidance

4:3 intermittent fasting explained: how it works, evidence-based health benefits, who should avoid it, and what NHS and NICE guidance says. Read our UK clinical guide.

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

Effect of Polycythaemia on HbA1c: Reliability, Alternatives and UK Guidance

Can Trulicity Make You Tired? Causes and Management

Smoking and Gastric Sleeve Surgery: UK Guidelines, Risks, and Quitting Support

Does Sildenafil Cause Weight Gain? Clinical Evidence

GLP-1 with Hashimoto's Disease: Safety and Monitoring Guide

How to Take Rybelsus in Ramadan: Safe Fasting Guide

Allergy Medication Safe for Kidneys: UK Guide to CKD

How Many Calories on Wegovy: Personalised Guidance for Weight Management

What Is a Normal B12 Number? UK Reference Ranges Explained

Insulated Travel Case for Ozempic: UK Storage and Transport Guide

Can't Lose Weight in a Calorie Deficit? Causes and UK Solutions

Calorie Deficit but Not Losing Weight: Causes and Solutions

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Can You Eat Pasta on a Calorie Deficit? A UK Guide

4:3 Intermittent Fasting: Benefits, Safety, and UK Guidance

Personalized weight management for women