Bolt Guides

Expert insights on weight loss and more.

Featured

What Medication Is Good for Allergies? UK Treatment Guide

Supplements

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What Medication Is Good for Allergies? UK Treatment Guide

What medication is good for allergies? Discover the best UK allergy treatments — from non-drowsy antihistamines to nasal sprays — with NHS-aligned guidance on choosing the right option for your symptoms.

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Weight loss

Read all on weight loss

Can You Eat Ramen on a Calorie Deficit? UK Nutrition Guide

Weight Loss

min read

Can You Eat Ramen on a Calorie Deficit? UK Nutrition Guide

Can you eat ramen on a calorie deficit? Yes — find out how many calories ramen contains, how to fit it into your daily target, and healthier ways to prepare it, with UK NHS-aligned guidance.

Lorcaserin HCl for Obesity Treatment: Withdrawal and UK Alternatives

Weight Loss

min read

Lorcaserin HCl for Obesity Treatment: Withdrawal and UK Alternatives

Lorcaserin HCl for the treatment of obesity: understand why this weight-loss medication was withdrawn, how it worked, clinical evidence, safety concerns, and current UK-approved alternatives for obesity management.

Is Metabolism Genetic? Genes, Lifestyle and Metabolic Rate

Weight Loss

min read

Is Metabolism Genetic? Genes, Lifestyle and Metabolic Rate

Is metabolism genetic? Discover how genes and lifestyle factors influence your metabolic rate. Learn evidence-based strategies to optimise metabolism regardless of genetic inheritance, including exercise, nutrition, and medical considerations for UK patients.

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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

Victoza Side Effects: Does It Cause Bloating?

Victoza can cause bloating and digestive side effects. Learn why liraglutide affects digestion, how to manage symptoms, and when to see your GP.

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Victoza Side Effects: Does It Cause Bloating?

How Quickly Does Saxenda Work? Results Timeline

GLP-1 Brands

min read

How Quickly Does Saxenda Work? Results Timeline

Find out when you may start losing weight on Saxenda, what to expect week by week, and factors that influence your results with this UK-licensed treatment.

How Long Does Saxenda Stay in Your System?

GLP-1 Brands

min read

How Long Does Saxenda Stay in Your System?

Saxenda (liraglutide) has a ~13-hour half-life. Find out how long it stays in your system, what happens after stopping, and why once-daily dosing works.

Does Trulicity Cause Hair Loss? Facts About Dulaglutide

GLP-1 Brands

min read

Does Trulicity Cause Hair Loss? Facts About Dulaglutide

Does Trulicity cause hair loss? Discover the facts about dulaglutide and hair thinning, including indirect causes, what to do if you experience shedding, and when to seek medical advice for this type 2 diabetes medication.

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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

What Does Tadalafil Do for Bodybuilding? Risks and Alternatives

Erectile Dysfunction

min read

What Does Tadalafil Do for Bodybuilding? Risks and Alternatives

What does tadalafil do for bodybuilding? Discover the science behind this prescription drug's effects on blood flow, muscle pump, and performance—plus the risks of off-label use and safer alternatives for athletes.

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Testosterone

min read

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Can testosterone treatment cause heart palpitations? Discover the cardiovascular effects of TRT, risk factors, warning signs, and when to seek medical advice. Expert guidance on safe monitoring and management during testosterone therapy.

Post Cycle Therapy After Steroids: Can Testogel Help?

Testosterone

min read

Post Cycle Therapy After Steroids: Can Testogel Help?

Testogel isn't suitable for PCT. Learn why it suppresses natural testosterone and discover UK-approved options for hormonal recovery.

Testosterone

min read

How Many Days of Testosterone Gel Pump Treatment Are Needed?

How many days of testosterone gel pump treatment do you need? Discover why testosterone replacement therapy isn't measured in days but requires long-term management. Learn about treatment timelines, monitoring schedules, and when to review your therapy with evidence-based UK guidance.

Will Nausea from Using Testogel Pass? Duration and Management

Testosterone

min read

Will Nausea from Using Testogel Pass? Duration and Management

Will nausea from using Testogel pass? Discover how long Testogel-related nausea typically lasts, why it occurs, practical management strategies, and when to seek medical advice about testosterone gel side effects.

Hair Loss

min read

Does Phentermine Cause Hair Loss? UK Evidence and Guidance

Does phentermine cause hair loss? Learn what the evidence says, why telogen effluvium is the likely cause, UK prescribing rules, and when to see your GP.

Sluggish Skin & Metabolism: What May Help

Weight Loss

min read

Sluggish Skin & Metabolism: What May Help

Boost metabolism & revive sluggish skin with evidence-based tips. NHS-aligned guidance on treatments, nutrition & when to see your GP.

Which Group Has a Higher Metabolic Rate? Age, Sex and Clinical Factors

Weight Loss

min read

Which Group Has a Higher Metabolic Rate? Age, Sex and Clinical Factors

Discover which group has a higher metabolic rate and why it matters. Learn how age, sex, body composition, and medical conditions influence energy expenditure, with evidence-based insights for clinical practice and personalised nutritional care.

Can I Order an HbA1c for Myself? UK Private Testing Guide

Weight Loss

min read

Can I Order an HbA1c for Myself? UK Private Testing Guide

Can I order an HbA1c for myself in the UK? Yes — find out how to access private HbA1c testing without a GP referral, understand your results using NHS ranges, and know when to seek medical advice.

Is Ozempic Safe for Breastfeeding? UK Guidance and Alternatives

GLP-1 Brands

min read

Is Ozempic Safe for Breastfeeding? UK Guidance and Alternatives

Is Ozempic safe for breastfeeding? Discover what UK guidelines say about using semaglutide whilst nursing, safer diabetes treatment alternatives, and when to speak to your GP about managing type 2 diabetes during lactation.

Erectile Dysfunction

min read

How Does Apomorphine Work in Erectile Dysfunction? UK Guide

Discover how apomorphine worked for erectile dysfunction through central dopamine receptor stimulation. Learn why it was withdrawn from the UK market and explore current NICE-recommended ED treatments available today.

Cost

min read

Wegovy UK Private Cost: Pricing & What to Expect

Find out what Wegovy costs through private prescription in the UK — consultation fees, monthly doses, and how private compares to NHS access.

Erectile Dysfunction

min read

Vasectomy and Erectile Dysfunction: The Evidence

Can a vasectomy cause erectile dysfunction? Medical evidence says no. Learn why it won't affect your erections, testosterone, or sexual performance.

Does Ozempic Cause Ulcers? Evidence and Gastrointestinal Effects

GLP-1 Brands

min read

Does Ozempic Cause Ulcers? Evidence and Gastrointestinal Effects

Does Ozempic cause ulcers? Discover the evidence on semaglutide and stomach ulcers, common gastrointestinal side effects, risk factors, and when to seek urgent medical attention for digestive symptoms.

Erectile Dysfunction

min read

How to Sexually Transition Without Erectile Dysfunction: UK Guide

Discover evidence-based strategies to maintain erectile function during gender transition. Learn how feminising hormone therapy affects sexual function, practical approaches to preserve erectile capacity, UK treatment options including PDE5 inhibitors, and when to seek specialist support for your individual transition goals.

Erectile Dysfunction

min read

Does Prozac Cause Erectile Dysfunction? UK Medical Guide

Does Prozac cause erectile dysfunction? Discover how fluoxetine affects sexual function, evidence-based management strategies, alternative antidepressants with lower sexual side effects, and when to seek medical advice for SSRI-related erectile problems.

Ozempic for PCOS: Evidence, Safety & UK Alternatives

GLP-1 Brands

min read

Ozempic for PCOS: Evidence, Safety & UK Alternatives

Find out what the evidence says about Ozempic for PCOS, why it's unlicensed in the UK, and which NICE-recommended treatments can help manage your symptoms.

Does Omeprazole Cause Fatty Liver? UK Evidence and Guidance

Weight Loss

min read

Does Omeprazole Cause Fatty Liver? UK Evidence and Guidance

Does omeprazole cause fatty liver disease? Discover what UK evidence and regulatory guidance say about PPIs and liver health, plus when to seek medical advice about omeprazole side effects.

Saxenda and Nuvigil (Modafinil): Drug Interactions and Safety

GLP-1 Brands

min read

Saxenda and Nuvigil (Modafinil): Drug Interactions and Safety

Does Saxenda interact with Nuvigil (modafinil)? Discover the evidence on drug interactions, safety considerations, cardiovascular monitoring, and what to tell your doctor when using both medications together in the UK.

Bolt Guides

Featured

What Medication Is Good for Allergies? UK Treatment Guide

Weight loss

Can You Eat Ramen on a Calorie Deficit? UK Nutrition Guide

Lorcaserin HCl for Obesity Treatment: Withdrawal and UK Alternatives

Is Metabolism Genetic? Genes, Lifestyle and Metabolic Rate

GLP-1 Brands

Wegovy

Mounjaro

Victoza Side Effects: Does It Cause Bloating?

How Quickly Does Saxenda Work? Results Timeline

How Long Does Saxenda Stay in Your System?

Does Trulicity Cause Hair Loss? Facts About Dulaglutide

Men’s Health

Testosterone

Erectile dysfunction

What Does Tadalafil Do for Bodybuilding? Risks and Alternatives

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Post Cycle Therapy After Steroids: Can Testogel Help?

How Many Days of Testosterone Gel Pump Treatment Are Needed?

Browse all

Will Nausea from Using Testogel Pass? Duration and Management

Does Phentermine Cause Hair Loss? UK Evidence and Guidance

Sluggish Skin & Metabolism: What May Help

Which Group Has a Higher Metabolic Rate? Age, Sex and Clinical Factors

Can I Order an HbA1c for Myself? UK Private Testing Guide

Is Ozempic Safe for Breastfeeding? UK Guidance and Alternatives

How Does Apomorphine Work in Erectile Dysfunction? UK Guide

Wegovy UK Private Cost: Pricing & What to Expect

Vasectomy and Erectile Dysfunction: The Evidence

Does Ozempic Cause Ulcers? Evidence and Gastrointestinal Effects

How to Sexually Transition Without Erectile Dysfunction: UK Guide

Does Prozac Cause Erectile Dysfunction? UK Medical Guide

Ozempic for PCOS: Evidence, Safety & UK Alternatives

Does Omeprazole Cause Fatty Liver? UK Evidence and Guidance

Saxenda and Nuvigil (Modafinil): Drug Interactions and Safety

Personalized weight management for women