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.

Wegovy

min read

When Does Wegovy Start Working? UK Timeline and Expectations

When does Wegovy start working? Discover the realistic timeline for appetite changes and weight loss, from initial doses through to maintenance treatment. Learn what to expect week by week and how to maximise your results with this UK-licensed GLP-1 medication.

How Long Does Testogel Last? Duration, Absorption & UK Guidance

Testosterone

min read

How Long Does Testogel Last? Duration, Absorption & UK Guidance

How long does Testogel last in your system? Discover absorption times, duration of action, factors affecting testosterone levels, and expert UK guidance on safe daily use for hypogonadism treatment.

Is Beetroot Extract as Good as Beetroot Juice? Evidence Compared

Supplements

min read

Is Beetroot Extract as Good as Beetroot Juice? Evidence Compared

Is beetroot extract as good as beetroot juice for health benefits? Compare nutritional content, clinical evidence, bioavailability, and effectiveness to find which form suits your cardiovascular and performance goals best.

When Can I Have Chips After Gastric Sleeve Surgery?

Weight Loss

min read

When Can I Have Chips After Gastric Sleeve Surgery?

When can I have chips after gastric sleeve surgery? Learn the NHS-aligned dietary stages, why chips are discouraged in the first year, and what bariatric dietitians recommend for long-term eating.

Are Carbs Bad for Fatty Liver? UK Evidence-Based Guidance

Weight Loss

min read

Are Carbs Bad for Fatty Liver? UK Evidence-Based Guidance

Are carbs bad for fatty liver? Discover which carbohydrates to limit and which support liver health in NAFLD. Evidence-based UK guidance on managing fatty liver disease through diet, including practical tips on whole grains, refined sugars, and Mediterranean eating patterns for optimal metabolic health.

Rybelsus Tablet vs Injection: Semaglutide Explained

GLP-1 Brands

min read

Rybelsus Tablet vs Injection: Semaglutide Explained

Rybelsus is an oral tablet, not an injection. Learn how it compares to injectable semaglutide, who it suits, and how to take it correctly in the UK.

Best Probiotics for Vaginal Health: UK Evidence and Guidance

Supplements

min read

Best Probiotics for Vaginal Health: UK Evidence and Guidance

Discover the best probiotics for vaginal health, including evidence-based Lactobacillus strains available in the UK. Learn how probiotics support vaginal flora, when to consider them for bacterial vaginosis and thrush, and what NHS guidance says about their use.

Bad Cholesterol but Good HbA1c: What Your Results Really Mean

Weight Loss

min read

Bad Cholesterol but Good HbA1c: What Your Results Really Mean

Bad cholesterol but good HbA1c? Find out what high LDL with a normal HbA1c means for your heart health, what NHS and NICE guidance recommends, and when to see your GP.

Fish Oil & Omega-3 Benefits: UK Evidence Guide

Supplements

min read

Fish Oil & Omega-3 Benefits: UK Evidence Guide

What does fish oil actually do? Explore EPA, DHA benefits, safe dosages, side effects, and NHS-aligned guidance on omega-3 supplements in the UK.

When Does Sildenafil Peak After Taking? Timing and Optimisation Guide

Erectile Dysfunction

min read

When Does Sildenafil Peak After Taking? Timing and Optimisation Guide

Discover when sildenafil peaks after taking and how to optimise timing for best results. Learn about factors affecting absorption, dosing guidance, and what to expect during peak effect. Evidence-based UK clinical advice.

Ozempic Side Effects & Safety: UK Guidance

GLP-1 Brands

min read

Ozempic Side Effects & Safety: UK Guidance

Discover Ozempic side effects, serious risks and who should avoid it. UK guidance on semaglutide safety, contraindications and when to seek help.

Cost

min read

Lloyds Pharmacy Wegovy Cost: NHS vs Private Pricing Guide

Discover Lloyds Pharmacy Wegovy costs, NHS vs private pricing, eligibility criteria, and affordable alternatives. Expert guidance on accessing semaglutide for weight management in the UK.

What Is the Problem with Rybelsus? Side Effects and Risks

GLP-1 Brands

min read

What Is the Problem with Rybelsus? Side Effects and Risks

What is the problem with Rybelsus? Discover the common side effects, serious risks, absorption challenges, and dosing difficulties associated with this oral diabetes medication, plus safer alternatives.

Gastric Band Constant Burping: Causes, Treatments and NHS Advice

Weight Loss

min read

Gastric Band Constant Burping: Causes, Treatments and NHS Advice

Gastric band constant burping explained — causes, warning signs, dietary tips, and NHS treatment options including band adjustments. Know when to contact your bariatric team.

Can Jogging Reduce Fatty Liver? Evidence and Guidelines

Weight Loss

min read

Can Jogging Reduce Fatty Liver? Evidence and Guidelines

Can jogging reduce fatty liver? Discover how regular jogging helps reverse NAFLD through improved insulin sensitivity and fat oxidation, plus evidence-based guidance on exercise duration, intensity, and combining jogging with diet for optimal liver health.

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

When Does Wegovy Start Working? UK Timeline and Expectations

How Long Does Testogel Last? Duration, Absorption & UK Guidance

Is Beetroot Extract as Good as Beetroot Juice? Evidence Compared

When Can I Have Chips After Gastric Sleeve Surgery?

Are Carbs Bad for Fatty Liver? UK Evidence-Based Guidance

Rybelsus Tablet vs Injection: Semaglutide Explained

Best Probiotics for Vaginal Health: UK Evidence and Guidance

Bad Cholesterol but Good HbA1c: What Your Results Really Mean

Fish Oil & Omega-3 Benefits: UK Evidence Guide

When Does Sildenafil Peak After Taking? Timing and Optimisation Guide

Ozempic Side Effects & Safety: UK Guidance

Lloyds Pharmacy Wegovy Cost: NHS vs Private Pricing Guide

What Is the Problem with Rybelsus? Side Effects and Risks

Gastric Band Constant Burping: Causes, Treatments and NHS Advice

Can Jogging Reduce Fatty Liver? Evidence and Guidelines

Personalized weight management for women