Bolt Guides

Expert insights on weight loss and more.

Featured

Vitamin K Trade Name: Konakion & UK Clinical Use

Supplements

min read

Vitamin K Trade Name: Konakion & UK Clinical Use

Discover UK trade names for vitamin K, including Konakion MM, plus formulations, doses, and clinical uses for neonates and warfarin reversal.

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Weight loss

Read all on weight loss

HbA1c Normal but OGTT High: Causes, Diagnosis, and NHS Next Steps

Weight Loss

min read

HbA1c Normal but OGTT High: Causes, Diagnosis, and NHS Next Steps

HbA1c normal but OGTT high? Discover why these results can conflict, what it means for your diabetes risk, and the NHS-recommended next steps for diagnosis and management.

Gastric Sleeve Operation Pensacola: Eligibility, Risks and Recovery

Weight Loss

min read

Gastric Sleeve Operation Pensacola: Eligibility, Risks and Recovery

Gastric sleeve operation in Pensacola explained — eligibility criteria, what to expect before and after surgery, risks, diet, and how to find accredited bariatric services. Read our clinically reviewed guide.

Decrease in HbA1c with Bydureon: Evidence, Expectations & NICE Guidance

Weight Loss

min read

Decrease in HbA1c with Bydureon: Evidence, Expectations & NICE Guidance

Decrease in HbA1c with Bydureon: discover what reductions to expect, clinical trial evidence, NICE NG28 prescribing criteria, and how to monitor your diabetes management on the NHS.

Read all on weight loss

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

Ozempic Face: Does Semaglutide Make You Look Old?

Learn what causes 'Ozempic face', why rapid weight loss affects facial volume, and how to manage facial ageing changes during semaglutide treatment.

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Ozempic Face: Does Semaglutide Make You Look Old?

Trulicity Mechanism of Action: How It Controls Blood Sugar

GLP-1 Brands

min read

Trulicity Mechanism of Action: How It Controls Blood Sugar

Discover how Trulicity's mechanism of action works to control blood sugar in type 2 diabetes. Learn about GLP-1 receptor activation, insulin secretion, glucagon suppression, and clinical effects on glucose and weight management.

Saxenda Side Effects: Nausea, Sickness & Management

GLP-1 Brands

min read

Saxenda Side Effects: Nausea, Sickness & Management

Nausea affects 40% of Saxenda users. Learn why it happens, how long it lasts, and how to manage this GLP-1 side effect during treatment.

GLP-1 & Libido: Saxenda, Tirzepatide & Sex Drive

GLP-1 Brands

min read

GLP-1 & Libido: Saxenda, Tirzepatide & Sex Drive

Do GLP-1 weight loss drugs affect libido? Explore UK clinical evidence on medicines like Saxenda and tirzepatide, plus 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

Does Sitagliptin Cause Erectile Dysfunction? Evidence and Guidance

Does sitagliptin cause erectile dysfunction? Discover the evidence on this DPP-4 inhibitor, how diabetes affects sexual health, and when to seek medical advice for ED.

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How Does Testogel Affect My Girlfriend: Transfer Risks and Prevention

Testosterone

min read

How Does Testogel Affect My Girlfriend: Transfer Risks and Prevention

Concerned about how Testogel might affect your girlfriend? Learn about testosterone transfer risks, potential effects on female partners, and essential precautions to prevent exposure. Expert UK guidance on safe use of topical testosterone therapy.

Does Testogel Cause You to Fail a Doping Test?

Testosterone

min read

Does Testogel Cause You to Fail a Doping Test?

Does Testogel cause you to fail a doping test? Discover how testosterone replacement therapy affects anti-doping tests, TUE requirements for athletes, detection methods, and UKAD/WADA regulations for competitive sport in the UK.

Does Anyone Use 2 Sachets of Testogel at a Time?

Testosterone

min read

Does Anyone Use 2 Sachets of Testogel at a Time?

Can you use two sachets of Testogel daily? Discover when two sachets may be prescribed for testosterone deficiency, how to apply them safely, essential monitoring requirements, and potential side effects. Evidence-based UK guidance for patients.

Can Fatty Liver Cause High Ammonia Levels? UK Medical Guide

Weight Loss

min read

Can Fatty Liver Cause High Ammonia Levels? UK Medical Guide

Can fatty liver cause high ammonia levels? Discover when fatty liver disease affects ammonia metabolism, the warning signs of hepatic encephalopathy, and when simple steatosis progresses to dangerous complications requiring urgent medical attention.

What Strength Sildenafil Should I Take? UK Dosing Guide

Erectile Dysfunction

min read

What Strength Sildenafil Should I Take? UK Dosing Guide

Discover what strength of sildenafil you should take for erectile dysfunction. Learn about the 25 mg, 50 mg, and 100 mg doses available in the UK, how to determine the right starting dose, and which factors affect your optimal strength. Expert guidance on safe, effective ED treatment.

Weight Loss

min read

Can Weight Loss Injections Affect Periods? UK Medical Guide

Can weight loss injections affect periods? Discover how GLP-1 medications like Wegovy and Saxenda may influence menstrual cycles, why weight loss disrupts hormones, and when to seek medical advice about period changes during treatment.

Retatrutide Not Working: Causes, Solutions and UK Alternatives

GLP-1 Brands

min read

Retatrutide Not Working: Causes, Solutions and UK Alternatives

Retatrutide not working? Discover the clinical and lifestyle reasons behind suboptimal results, when to contact your GP, and MHRA-approved alternatives available in the UK.

How to Inject Weight Loss Medication: Safe UK Guide

Wegovy

min read

How to Inject Weight Loss Medication: Safe UK Guide

Master how to inject weight loss medication safely at home with this expert UK guide. Learn proper injection technique, site rotation, side effect management, and storage for semaglutide (Wegovy) and liraglutide (Saxenda) to maximise treatment success.

Sources of Vitamin A, B, C, D, E and K: Complete UK Guide

Supplements

min read

Sources of Vitamin A, B, C, D, E and K: Complete UK Guide

Discover the best sources of vitamin A, B, C, D, E and K in your diet. Learn which foods provide essential vitamins, daily requirements, absorption factors and how to prevent deficiencies with evidence-based UK guidance.

Canned Sardines Health Risks: NHS Safety Guidance

Supplements

min read

Canned Sardines Health Risks: NHS Safety Guidance

Discover the health risks of canned sardines including salt content, mercury levels, and purine concerns. Evidence-based NHS guidance on safe consumption for all ages, pregnant women, and those with gout or hypertension. Learn which varieties to choose and who should limit intake.

Does Wellbutrin Cause Gynaecomastia? Bupropion, MHRA Guidance Explained

Weight Loss

min read

Does Wellbutrin Cause Gynaecomastia? Bupropion, MHRA Guidance Explained

Does Wellbutrin cause gynaecomastia? Explore the evidence on bupropion (Zyban) and male breast tissue changes, MHRA guidance, recognised side effects, and when to see your GP.

Weight Loss

min read

Do Weight Loss Injections Increase Metabolism?

Find out how fat jabs like Wegovy really work. Do they speed up metabolism? Get clear, evidence-based answers aligned with NHS and NICE guidance.

Fasting with Type 2 Diabetes: Safety, Risks and NHS Guidance

Weight Loss

min read

Fasting with Type 2 Diabetes: Safety, Risks and NHS Guidance

Fasting with type 2 diabetes requires medical supervision and careful planning. Learn about medication adjustments, safety risks, NHS guidance, and when fasting may be appropriate for you. Essential advice for religious and intermittent fasting.

Weight Regain After Stopping Ozempic: What to Expect

GLP-1 Brands

min read

Weight Regain After Stopping Ozempic: What to Expect

Most people regain weight after stopping semaglutide. Learn how quickly appetite returns, how much weight comes back, and what the clinical evidence says.

Wegovy

min read

Can Wegovy Cause Ovarian Cysts? Evidence and Guidance

Can Wegovy cause ovarian cysts? Discover what the clinical evidence shows about semaglutide and ovarian health, recognised side effects in women, and when to seek medical advice whilst taking this weight management medication.

Hair Loss

min read

Microneedling for Hair Loss: Evidence, Risks, and UK Access

Does microneedling work for hair loss? Explore the clinical evidence, suitable candidates, risks, and how to access safe treatment in the UK for androgenetic alopecia and alopecia areata.

Mounjaro

min read

Can Mounjaro Cause Dizziness? Causes & How to Stop It

Experiencing dizziness on Mounjaro? Learn why tirzepatide causes lightheadedness, how to manage it safely, and when to seek medical help.

How to Stick to a Calorie Deficit: Evidence-Based Strategies

Weight Loss

min read

How to Stick to a Calorie Deficit: Evidence-Based Strategies

Discover evidence-based strategies on how to stick to a calorie deficit for sustainable weight loss. Learn practical techniques, overcome common challenges, and understand when to seek NHS support for your weight management goals.

Bolt Guides

Featured

Vitamin K Trade Name: Konakion & UK Clinical Use

Weight loss

HbA1c Normal but OGTT High: Causes, Diagnosis, and NHS Next Steps

Gastric Sleeve Operation Pensacola: Eligibility, Risks and Recovery

Decrease in HbA1c with Bydureon: Evidence, Expectations & NICE Guidance

GLP-1 Brands

Wegovy

Mounjaro

Ozempic Face: Does Semaglutide Make You Look Old?

Trulicity Mechanism of Action: How It Controls Blood Sugar

Saxenda Side Effects: Nausea, Sickness & Management

GLP-1 & Libido: Saxenda, Tirzepatide & Sex Drive

Men’s Health

Testosterone

Erectile dysfunction

Does Sitagliptin Cause Erectile Dysfunction? Evidence and Guidance

How Does Testogel Affect My Girlfriend: Transfer Risks and Prevention

Does Testogel Cause You to Fail a Doping Test?

Does Anyone Use 2 Sachets of Testogel at a Time?

Browse all

Can Fatty Liver Cause High Ammonia Levels? UK Medical Guide

What Strength Sildenafil Should I Take? UK Dosing Guide

Can Weight Loss Injections Affect Periods? UK Medical Guide

Retatrutide Not Working: Causes, Solutions and UK Alternatives

How to Inject Weight Loss Medication: Safe UK Guide

Sources of Vitamin A, B, C, D, E and K: Complete UK Guide

Canned Sardines Health Risks: NHS Safety Guidance

Does Wellbutrin Cause Gynaecomastia? Bupropion, MHRA Guidance Explained

Do Weight Loss Injections Increase Metabolism?

Fasting with Type 2 Diabetes: Safety, Risks and NHS Guidance

Weight Regain After Stopping Ozempic: What to Expect

Can Wegovy Cause Ovarian Cysts? Evidence and Guidance

Microneedling for Hair Loss: Evidence, Risks, and UK Access

Can Mounjaro Cause Dizziness? Causes & How to Stop It

How to Stick to a Calorie Deficit: Evidence-Based Strategies

Personalized weight management for women