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.

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.

Hair Loss

min read

How to Hide Hair Loss: UK Guide to Concealment and Treatment

How to hide hair loss with hairstyling tips, concealers, wigs, and scalp micropigmentation — plus NHS-recommended treatments and when to see your GP. Read our UK guide.

How to Extract Beetroot Juice for Lips: Safe Methods and Guidance

Supplements

min read

How to Extract Beetroot Juice for Lips: Safe Methods and Guidance

Discover how to extract beetroot juice for lips safely at home. Expert guidance on extraction methods, application techniques, potential benefits, and essential safety precautions for natural lip care in line with UK health standards.

Hair Loss

min read

Is Hair Loss a Side Effect of Tymlos (Abaloparatide)?

Is hair loss a side effect of Tymlos (abaloparatide)? Find out what clinical evidence and prescribing information say, plus recognised side effects, causes of hair shedding in postmenopausal women, and when to see your GP.

Gastric Banding, Bypass & Sleeve Gastrectomy: Can They Reduce Sleep Apnoea?

Weight Loss

min read

Gastric Banding, Bypass & Sleeve Gastrectomy: Can They Reduce Sleep Apnoea?

Can gastric banding, bypass, and sleeve gastrectomy reduce sleep apnoea? Explore the evidence, compare NHS bariatric procedures, and learn what NICE guidance says about OSA outcomes after weight loss surgery.

Retatrutide in Pill Form: What UK Patients Need to Know

GLP-1 Brands

min read

Retatrutide in Pill Form: What UK Patients Need to Know

Can you get retatrutide in pill form? Find out why no oral version exists yet, how peptide medicines work, and which licensed weight loss treatments are available in the UK right now.

How Long Does Vitamin D Take to Work? (Timeline & Factors)

Supplements

min read

How Long Does Vitamin D Take to Work? (Timeline & Factors)

Vitamin D typically works in 8-12 weeks. Learn the timeline for blood levels, symptom relief, and factors affecting absorption and effectiveness.

Are Gastric Bands Safe? Risks, Evidence and NHS Eligibility Explained

Weight Loss

min read

Are Gastric Bands Safe? Risks, Evidence and NHS Eligibility Explained

Are gastric bands safe? Explore the evidence on gastric band surgery risks, NHS eligibility criteria, long-term complications, and alternatives including sleeve gastrectomy and semaglutide.

Alkaline Water and Fatty Liver: What the Evidence Shows

Weight Loss

min read

Alkaline Water and Fatty Liver: What the Evidence Shows

Can alkaline water help with fatty liver disease? Discover what the clinical evidence shows about alkaline water and liver health, plus proven treatments recommended by NICE and the NHS for managing fatty liver disease effectively.

Weight Loss

min read

Hoodia Weight Loss Pills: Evidence, Safety, and UK Regulatory Guidance

Hoodia weight loss pills: do they really work? Discover what the clinical evidence, EFSA, and NHS guidance say about safety, legality, and effective alternatives for weight management.

Tirzepatide and Phentermine Together: UK Safety Guide

Mounjaro

min read

Tirzepatide and Phentermine Together: UK Safety Guide

Thinking of combining tirzepatide and phentermine? Learn the risks, UK clinical guidance, and safer weight loss alternatives before making any decisions.

How Do Natural GLP-1 Boosters Work? Mechanisms and Evidence

Weight Loss

min read

How Do Natural GLP-1 Boosters Work? Mechanisms and Evidence

Discover how natural GLP-1 boosters work through diet and lifestyle to support blood glucose regulation and appetite control. Learn about the science, evidence, and safety considerations for enhancing your body's own GLP-1 production naturally.

Weight Loss

min read

Weight Loss Pills Increase Heart Rate: UK Safety Guide

Discover why weight loss pills increase heart rate, which UK medications affect cardiovascular function, how to recognise warning symptoms, and safer evidence-based alternatives for weight management under medical supervision.

Probiotics for Bladder Infection: Evidence and Guidance

Supplements

min read

Probiotics for Bladder Infection: Evidence and Guidance

Discover how probiotics for bladder infection prevention may help reduce recurrent UTIs. Evidence-based guidance on Lactobacillus strains, effectiveness, safety, and when to seek medical advice for urinary tract infections.

Recommended Dose of Magnesium Daily: UK Guidelines and Safety

Supplements

min read

Recommended Dose of Magnesium Daily: UK Guidelines and Safety

Discover the recommended dose of magnesium daily for adults, children, and special populations in the UK. Learn about deficiency signs, food sources, supplement safety, and when to seek medical advice for optimal magnesium intake.

Erectile Dysfunction

min read

Is Horse Chestnut Good for Erectile Dysfunction? Evidence and Alternatives

Is horse chestnut good for erectile dysfunction? Discover what the evidence says about this herbal remedy, its safety profile, potential risks, and proven ED treatments available through the NHS.

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

How to Hide Hair Loss: UK Guide to Concealment and Treatment

How to Extract Beetroot Juice for Lips: Safe Methods and Guidance

Is Hair Loss a Side Effect of Tymlos (Abaloparatide)?

Gastric Banding, Bypass & Sleeve Gastrectomy: Can They Reduce Sleep Apnoea?

Retatrutide in Pill Form: What UK Patients Need to Know

How Long Does Vitamin D Take to Work? (Timeline & Factors)

Are Gastric Bands Safe? Risks, Evidence and NHS Eligibility Explained

Alkaline Water and Fatty Liver: What the Evidence Shows

Hoodia Weight Loss Pills: Evidence, Safety, and UK Regulatory Guidance

Tirzepatide and Phentermine Together: UK Safety Guide

How Do Natural GLP-1 Boosters Work? Mechanisms and Evidence

Weight Loss Pills Increase Heart Rate: UK Safety Guide

Probiotics for Bladder Infection: Evidence and Guidance

Recommended Dose of Magnesium Daily: UK Guidelines and Safety

Is Horse Chestnut Good for Erectile Dysfunction? Evidence and Alternatives

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