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.

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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.

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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.

Mounjaro

min read

Mounjaro for Skinny People: Risks and Safe Alternatives

Mounjaro for skinny people: understand why this diabetes and obesity medicine is unsafe for healthy-weight individuals, the serious health risks involved, NHS prescribing criteria, and safe alternatives for weight management.

How Often Can You Eat Salmon? NHS Guidelines and Safety

Supplements

min read

How Often Can You Eat Salmon? NHS Guidelines and Safety

How often can you eat salmon safely? Discover NHS guidance on salmon consumption frequency, nutritional benefits, mercury levels, and special considerations for pregnancy and children in the UK.

Lap Band or Gastric Sleeve Surgery: How It Affects Pregnancy

Weight Loss

min read

Lap Band or Gastric Sleeve Surgery: How It Affects Pregnancy

Can lap band or gastric sleeve surgery affect pregnancy? Learn how bariatric surgery impacts fertility, nutritional needs, antenatal care, and pregnancy outcomes, with NHS and BOMSS guidance.

Can I Take Berberine While Breastfeeding? Safety and Alternatives

Supplements

min read

Can I Take Berberine While Breastfeeding? Safety and Alternatives

Can I take berberine while breastfeeding? Discover why berberine is not recommended during lactation, understand the potential risks to your baby, and explore safer alternatives for managing blood glucose, cholesterol and weight whilst nursing.

Fish Oil for Kids: Benefits, Dosage, and Safety Guide

Supplements

min read

Fish Oil for Kids: Benefits, Dosage, and Safety Guide

Discover everything parents need to know about fish oil for kids, including health benefits, recommended dosages, safety considerations, and how to choose quality supplements for children's development.

Cost

min read

Ashcroft Pharmacy Wegovy Cost: UK Pricing & Access Guide

Discover Ashcroft Pharmacy Wegovy costs, typically £150–£250 monthly for private prescriptions. Compare NHS vs private pricing, learn eligibility criteria, and understand how to access safe, clinically supervised weight management treatment in the UK.

Vyvanse and Allergy Medication: Interactions, Safety, and UK Guidance

Supplements

min read

Vyvanse and Allergy Medication: Interactions, Safety, and UK Guidance

Vyvanse (Elvanse) and allergy medication interactions explained — find out which antihistamines, decongestants, and nasal sprays are safe to use alongside lisdexamfetamine, with UK clinical guidance.

Can Fatty Liver Cause Vitamin B12 Deficiency? UK Guide

Weight Loss

min read

Can Fatty Liver Cause Vitamin B12 Deficiency? UK Guide

Can fatty liver cause vitamin B12 deficiency? Discover the complex relationship between hepatic steatosis and B12 status, including risk factors, symptoms to watch for, testing recommendations, and evidence-based treatment options for UK patients.

Erectile Dysfunction

min read

Does Hair Loss Treatment Cause Erectile Dysfunction? UK Evidence

Does hair loss treatment cause erectile dysfunction? Discover the evidence on finasteride's sexual side effects, how common they are, what to do if affected, and alternative treatments without hormonal impact. Expert UK guidance.

Intermittent Fasting for Obesity Treatment: Evidence and Safety Guide

Weight Loss

min read

Intermittent Fasting for Obesity Treatment: Evidence and Safety Guide

Discover how intermittent fasting for obesity treatment works, the evidence behind it, different fasting methods, who should avoid it, and how to combine it safely with NHS weight management support for sustainable results.

Fish Oil with CoQ10: Benefits, Dosage and Safety Guide UK

Supplements

min read

Fish Oil with CoQ10: Benefits, Dosage and Safety Guide UK

Discover the facts about fish oil with CoQ10 supplements in the UK. Learn about potential cardiovascular benefits, safe dosing, side effects, drug interactions, and how to choose quality products. Evidence-based guidance for informed decisions.

Weight Loss

min read

HGH Weight Loss Pills: Evidence, UK Legal Status, and Safe Alternatives

HGH weight loss pills: do they work, are they legal in the UK, and what are the risks? Our expert guide covers the clinical evidence, MHRA regulation, side effects, and NHS-approved alternatives for safe weight management.

Does HbA1c Increase During Pregnancy? What UK Guidelines Say

Weight Loss

min read

Does HbA1c Increase During Pregnancy? What UK Guidelines Say

Does HbA1c increase during pregnancy? Learn why HbA1c typically falls in pregnancy, why it can be misleading, and what NICE NG3 guidelines recommend for blood glucose monitoring.

Weight Loss

min read

Menopause Weight Loss Pills: What UK Evidence and NHS Guidance Says

Menopause weight loss pills — what does the evidence say? Discover what NICE and NHS guidance recommends, how HRT and lifestyle changes compare to prescription medicines, and when to see your GP.

Do NAD Patches Work? Evidence and Safety Review

Supplements

min read

Do NAD Patches Work? Evidence and Safety Review

Do NAD patches work? Discover what the science says about NAD+ patches, their claimed benefits, safety concerns, and UK regulatory status. Evidence-based guidance for consumers considering transdermal NAD+ supplementation.

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

Mounjaro for Skinny People: Risks and Safe Alternatives

How Often Can You Eat Salmon? NHS Guidelines and Safety

Lap Band or Gastric Sleeve Surgery: How It Affects Pregnancy

Can I Take Berberine While Breastfeeding? Safety and Alternatives

Fish Oil for Kids: Benefits, Dosage, and Safety Guide

Ashcroft Pharmacy Wegovy Cost: UK Pricing & Access Guide

Vyvanse and Allergy Medication: Interactions, Safety, and UK Guidance

Can Fatty Liver Cause Vitamin B12 Deficiency? UK Guide

Does Hair Loss Treatment Cause Erectile Dysfunction? UK Evidence

Intermittent Fasting for Obesity Treatment: Evidence and Safety Guide

Fish Oil with CoQ10: Benefits, Dosage and Safety Guide UK

HGH Weight Loss Pills: Evidence, UK Legal Status, and Safe Alternatives

Does HbA1c Increase During Pregnancy? What UK Guidelines Say

Menopause Weight Loss Pills: What UK Evidence and NHS Guidance Says

Do NAD Patches Work? Evidence and Safety Review

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