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.

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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

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.

Zinc Deficiency and Stunted Growth in Children: UK Guide

Supplements

min read

Zinc Deficiency and Stunted Growth in Children: UK Guide

Discover how a deficiency in zinc might result in stunted growth in children. Learn to recognise the signs, understand UK diagnostic approaches, explore treatment options including supplementation, and find practical dietary strategies to prevent zinc deficiency and support healthy development.

Glucose in Urine: Meaning, Tests & Saxenda

GLP-1 Brands

min read

Glucose in Urine: Meaning, Tests & Saxenda

Learn what glucose in urine means, how urine sugar tests work, and whether Saxenda affects results. Clear guidance for patients and clinicians.

Zinc and Hair Loss: Deficiency, Intake and Treatment

Supplements

min read

Zinc and Hair Loss: Deficiency, Intake and Treatment

Discover the connection between zinc and hair loss, including how deficiency affects hair growth, recommended intake levels, dietary sources, and when to seek medical advice for hair loss concerns.

Hair Loss

min read

Do Bonnets Help With Hair Loss? Evidence, Benefits and UK Advice

Do bonnets help with hair loss? Learn how satin and silk bonnets reduce breakage, which hair loss types may benefit, what the evidence shows, and when to see your GP.

Does Fatty Liver Affect Sperm Quality and Male Fertility?

Weight Loss

min read

Does Fatty Liver Affect Sperm Quality and Male Fertility?

Does fatty liver affect sperm quality and male fertility? Discover how NAFLD impacts sperm count, testosterone levels, and reproductive health, plus evidence-based strategies to improve both liver function and fertility outcomes.

Is Elderberry Good for Fatty Liver? Evidence and Safety

Weight Loss

min read

Is Elderberry Good for Fatty Liver? Evidence and Safety

Is elderberry good for fatty liver? Discover what the evidence says about elderberry supplements for NAFLD, including safety considerations, proven treatments, and why lifestyle changes remain the cornerstone of fatty liver management in the UK.

Omega-3 and Brain Health: Evidence, Benefits and UK Guidance

Supplements

min read

Omega-3 and Brain Health: Evidence, Benefits and UK Guidance

Discover how omega-3 and brain health are connected, including the roles of DHA and EPA in cognitive function, mood, and neurological conditions. Learn about UK dietary recommendations, evidence-based guidance, and practical advice for optimising omega-3 intake to support long-term brain health.

Sulfonylureas for Type 2 Diabetes: UK Guide to Treatment

Weight Loss

min read

Sulfonylureas for Type 2 Diabetes: UK Guide to Treatment

Discover how sulfonylureas work to manage type 2 diabetes, which medications are commonly prescribed in the UK, their effectiveness in lowering blood sugar, potential side effects including hypoglycaemia, and who should or shouldn't take them according to NICE guidance.

Cost

min read

How Much Does Mounjaro Cost With Insurance in the UK?

How much does Mounjaro cost with insurance in the UK? Discover NHS prescription charges, private insurance coverage limitations, and practical ways to reduce costs for tirzepatide treatment in 2025.

Are Salads Good for Fatty Liver? Evidence-Based Guidance

Weight Loss

min read

Are Salads Good for Fatty Liver? Evidence-Based Guidance

Are salads good for fatty liver? Discover how the right salad ingredients can support liver health in NAFLD, which foods to include and avoid, and how to build a liver-friendly eating plan backed by NHS and NICE guidance.

Is Vitamin K Potassium? Key Differences Explained

Supplements

min read

Is Vitamin K Potassium? Key Differences Explained

Is vitamin K potassium? Discover the crucial differences between these two nutrients, their distinct roles in blood clotting, heart health, and why confusing them could affect your medication safety and dietary choices.

How Long Does Sildenafil Take to Wear Off? Duration and Effects

Erectile Dysfunction

min read

How Long Does Sildenafil Take to Wear Off? Duration and Effects

Discover how long sildenafil takes to wear off, when therapeutic effects diminish, and what factors influence elimination time. Expert guidance on duration, side effects, and safe use of this erectile dysfunction medication.

Hair Loss

min read

Can Argan Oil Cause Hair Loss? Evidence, Ingredients, and Advice

Can argan oil cause hair loss? Learn what the evidence says, which product ingredients may affect your scalp, common causes of hair shedding, and when to see a GP or dermatologist.

Vitamin A B C D E Supplement: UK Guidance and Benefits

Supplements

min read

Vitamin A B C D E Supplement: UK Guidance and Benefits

Discover when vitamin A, B, C, D and E supplements are needed, recommended UK doses, health benefits, safety guidance and who should consider supplementation for optimal health.

Does Lexapro Cause Gynaecomastia? Escitalopram, Cipralex & Breast Changes

Weight Loss

min read

Does Lexapro Cause Gynaecomastia? Escitalopram, Cipralex & Breast Changes

Does Lexapro (escitalopram/Cipralex) cause gynaecomastia? Learn what UK guidance says, the theoretical hormonal mechanism, how common it is, and when to see your GP.

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

Zinc Deficiency and Stunted Growth in Children: UK Guide

Glucose in Urine: Meaning, Tests & Saxenda

Zinc and Hair Loss: Deficiency, Intake and Treatment

Do Bonnets Help With Hair Loss? Evidence, Benefits and UK Advice

Does Fatty Liver Affect Sperm Quality and Male Fertility?

Is Elderberry Good for Fatty Liver? Evidence and Safety

Omega-3 and Brain Health: Evidence, Benefits and UK Guidance

Sulfonylureas for Type 2 Diabetes: UK Guide to Treatment

How Much Does Mounjaro Cost With Insurance in the UK?

Are Salads Good for Fatty Liver? Evidence-Based Guidance

Is Vitamin K Potassium? Key Differences Explained

How Long Does Sildenafil Take to Wear Off? Duration and Effects

Can Argan Oil Cause Hair Loss? Evidence, Ingredients, and Advice

Vitamin A B C D E Supplement: UK Guidance and Benefits

Does Lexapro Cause Gynaecomastia? Escitalopram, Cipralex & Breast Changes

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