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 You Take Allergy Medication When Pregnant? UK Safety Guide

Supplements

min read

Can You Take Allergy Medication When Pregnant? UK Safety Guide

Can you take allergy medication when pregnant? Discover which antihistamines and nasal sprays are safe during pregnancy, which to avoid, and when to seek medical advice. Evidence-based UK guidance for expectant mothers.

Is Haddock Good for You? Nutritional Benefits and Health Guide

Supplements

min read

Is Haddock Good for You? Nutritional Benefits and Health Guide

Is haddock good for you? Discover the nutritional benefits of this lean white fish, including high protein, essential vitamins, and low mercury levels. Learn how to incorporate haddock into a healthy UK diet with expert guidance on preparation methods and safety considerations.

Nicotinamide Adenine Dinucleotide (NAD): Function, Benefits and Safety

Supplements

min read

Nicotinamide Adenine Dinucleotide (NAD): Function, Benefits and Safety

Discover what nicotinamide adenine dinucleotide (NAD) is, how this essential coenzyme supports cellular energy and DNA repair, current research on NAD supplementation, and important UK safety guidance for NAD precursors.

Can You Eat Ice Cream After Gastric Sleeve Surgery?

Weight Loss

min read

Can You Eat Ice Cream After Gastric Sleeve Surgery?

Can you eat ice cream after gastric sleeve surgery? Find out what UK bariatric guidelines say, why ice cream is discouraged, the risks of dumping syndrome, and healthier alternatives recommended by NHS dietitians.

History of Incretin Mimetics: Evolution and Impact on Diabetes Care

Weight Loss

min read

History of Incretin Mimetics: Evolution and Impact on Diabetes Care

Discover the fascinating history of incretin mimetics, from early incretin effect observations to modern GLP-1 receptor agonists. Learn how these diabetes medicines evolved, their UK regulatory journey, and their transformative impact on type 2 diabetes management and cardiovascular outcomes.

Allergy Medication and Propranolol: Interactions, Risks, and Safe Management

Supplements

min read

Allergy Medication and Propranolol: Interactions, Risks, and Safe Management

Allergy medication and propranolol can interact seriously — from reduced adrenaline efficacy in anaphylaxis to dangerous blood pressure spikes with decongestants. Learn what's safe and what to avoid.

Mounjaro

min read

When to Resume Mounjaro After Surgery: UK Guidance

When to resume Mounjaro after surgery: UK guidance on safely restarting tirzepatide post-operatively, factors affecting timing, managing blood glucose during interruption, and individualised perioperative considerations.

Erectile Dysfunction

min read

HIV and Erectile Dysfunction: Understanding the Link

Find out how HIV can affect sexual function, including the biological, psychological and medication-related causes of ED and when to seek medical advice.

Vitamin D 1000 IU: Dosage, Benefits, and Safe Use

Supplements

min read

Vitamin D 1000 IU: Dosage, Benefits, and Safe Use

Discover how vitamin D 1000 IU supports bone health and immune function. Learn who needs this dose, safe usage guidance, potential benefits, side effects, and when to consult your GP for personalised advice.

Wegovy

min read

Can Wegovy Cause Gastritis? Symptoms and When to Seek Help

Can Wegovy cause gastritis? Discover how this GLP-1 weight management medication affects your stomach, learn to recognise gastritis symptoms, and find out when to seek medical advice for gastrointestinal side effects.

Saxenda and Bloating: Causes, Frequency & Relief

GLP-1 Brands

min read

Saxenda and Bloating: Causes, Frequency & Relief

Saxenda commonly causes bloating due to slowed gastric emptying. Learn how often it occurs, why it happens, and how to manage it with NHS-aligned advice.

Chronic Liver Disease and Decreased HbA1c: Causes, Risks, and Alternatives

Weight Loss

min read

Chronic Liver Disease and Decreased HbA1c: Causes, Risks, and Alternatives

Chronic liver disease can decrease HbA1c readings, masking poor blood sugar control. Learn why this happens, which alternative tests to use, and when to seek specialist review — with UK NHS and NICE guidance.

Erectile Dysfunction

min read

Does Delta-8 Help With Erectile Dysfunction? UK Evidence and Treatments

Does Delta-8 help with erectile dysfunction? Discover the facts about Delta-8 THC, its legal status in the UK, potential risks, and evidence-based NHS treatments for ED that actually work.

Does Tadalafil Make You Last Longer in Bed? UK Guide

Erectile Dysfunction

min read

Does Tadalafil Make You Last Longer in Bed? UK Guide

Does tadalafil make you last longer in bed? Discover what tadalafil actually does, how it treats erectile dysfunction, and why it doesn't delay ejaculation. Expert UK guidance on safe use and when to seek help.

Does Sildenafil Cause Hypotension? Risks and Safety Guide

Erectile Dysfunction

min read

Does Sildenafil Cause Hypotension? Risks and Safety Guide

Does sildenafil cause hypotension? Discover how this PDE5 inhibitor affects blood pressure, key risk factors including dangerous drug interactions with nitrates, symptoms to watch for, and essential safety precautions for patients and prescribers in UK clinical practice.

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 You Take Allergy Medication When Pregnant? UK Safety Guide

Is Haddock Good for You? Nutritional Benefits and Health Guide

Nicotinamide Adenine Dinucleotide (NAD): Function, Benefits and Safety

Can You Eat Ice Cream After Gastric Sleeve Surgery?

History of Incretin Mimetics: Evolution and Impact on Diabetes Care

Allergy Medication and Propranolol: Interactions, Risks, and Safe Management

When to Resume Mounjaro After Surgery: UK Guidance

HIV and Erectile Dysfunction: Understanding the Link

Vitamin D 1000 IU: Dosage, Benefits, and Safe Use

Can Wegovy Cause Gastritis? Symptoms and When to Seek Help

Saxenda and Bloating: Causes, Frequency & Relief

Chronic Liver Disease and Decreased HbA1c: Causes, Risks, and Alternatives

Does Delta-8 Help With Erectile Dysfunction? UK Evidence and Treatments

Does Tadalafil Make You Last Longer in Bed? UK Guide

Does Sildenafil Cause Hypotension? Risks and Safety Guide

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