Bolt Guides

Expert insights on weight loss and more.

Featured

Fish Oil Pills & Weight Loss: What the Evidence Says

Supplements

min read

Fish Oil Pills & Weight Loss: What the Evidence Says

Can fish oil supplements support weight loss? We review the evidence on omega-3 capsules, benefits, side effects, and UK guidance to help you decide.

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Weight loss

Read all on weight loss

Weight Loss

min read

Lemon Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Lemon pills for weight loss: do they work? Explore the evidence, UK regulations, safety considerations, and NHS-approved alternatives to make an informed decision.

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Weight Loss

min read

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Discover how treatment of genetic obesity has been transformed by targeted therapies for rare inherited forms. Learn about diagnosis, licensed medications like setmelanotide, specialist NHS services, and comprehensive management approaches for monogenic obesity conditions.

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

Weight Loss

min read

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

Spironolactone causes gynaecomastia by blocking androgen receptors and shifting the oestrogen-to-androgen ratio in breast tissue. Learn how it happens, how common it is, and what your options are.

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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.

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GLP-1 Brands

min read

How to Wean Off Rybelsus Safely: UK Clinical Guidance

Learn how to wean off Rybelsus safely with expert guidance on stopping semaglutide, managing blood sugar after discontinuation, and maintaining diabetes control. Essential UK clinical advice for patients and healthcare professionals.

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How to Wean Off Rybelsus Safely: UK Clinical Guidance

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

GLP-1 Brands

min read

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

Discover how Trulicity (dulaglutide) helps manage type 2 diabetes with once-weekly injections. Learn about dosing, eligibility, side effects, and NICE guidance for UK patients seeking better blood glucose control.

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

GLP-1 Brands

min read

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

Retatrutide triple receptor agonist explained: how it works, Phase 2 trial results, side effects, and UK regulatory status. Find out what the evidence says and what to expect next.

Ozempic Effects on the Body: How Semaglutide Works

GLP-1 Brands

min read

Ozempic Effects on the Body: How Semaglutide Works

Discover how Ozempic affects blood sugar, weight & heart health. Learn side effects & safe usage with expert UK guidance.

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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.

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Erectile Dysfunction

min read

What Is the Best Vacuum Device for Erectile Dysfunction?

What is the best vacuum device for erectile dysfunction? Discover how vacuum erection devices work, which features matter most, how to access clinically tested VEDs through the NHS, and what the evidence shows about effectiveness and safety for treating ED.

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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.

Does Testogel Make Your Penis Larger? Evidence and Facts

Testosterone

min read

Does Testogel Make Your Penis Larger? Evidence and Facts

Does Testogel make your penis larger? Discover the evidence-based answer about testosterone therapy and penis size, plus realistic effects on male sexual health and when to seek medical advice.

How to Use Testogel for Women: Dosage, Application and Safety

Testosterone

min read

How to Use Testogel for Women: Dosage, Application and Safety

Learn how to use Testogel for women safely, including application technique, dosage guidelines, monitoring requirements, and potential side effects. Expert guidance on off-label testosterone therapy for postmenopausal women with HSDD.

Weight Loss

min read

Can You Ruin Your Metabolism? The Facts

Worried about a slow or damaged metabolism? Learn what really affects metabolic rate, the warning signs to watch for, and how to support recovery.

Hair Loss

min read

Crown of Head Hair Loss: Causes, Diagnosis, and UK Treatments

Crown of head hair loss explained: causes, NHS diagnosis, and UK-licensed treatments including minoxidil and finasteride. Find out when to see your GP and what lifestyle changes may help.

Aspirin Allergy: Medications to Avoid and Safe UK Alternatives

Supplements

min read

Aspirin Allergy: Medications to Avoid and Safe UK Alternatives

Aspirin allergy medications to avoid — find out which NSAIDs, cold remedies, and hidden salicylates are unsafe, plus safe alternatives and UK NHS guidance on managing aspirin sensitivity.

Hay Fever Allergy Medication: UK Guide to Treatments and Safety

Supplements

min read

Hay Fever Allergy Medication: UK Guide to Treatments and Safety

Hay fever allergy medication explained: discover the best antihistamines, nasal sprays, and eye drops available in the UK, plus safety advice, NHS options, and when to see a GP.

Erectile Dysfunction

min read

Does Hypnosis Work for Erectile Dysfunction? Evidence and Options

Does hypnosis work for erectile dysfunction? Discover how hypnotherapy compares with standard ED treatments, the evidence behind its use, what to expect from sessions, and whether it could complement your treatment plan.

Erectile Dysfunction

min read

Do Watermelon Help with Erectile Dysfunction? UK Evidence Review

Do watermelon help with erectile dysfunction? Discover the science behind citrulline, why watermelon isn't a proven ED treatment, and which evidence-based options actually work. Expert UK guidance on when to see your GP.

Trulicity Doses Per Pen: UK Dosing Guide

GLP-1 Brands

min read

Trulicity Doses Per Pen: UK Dosing Guide

Learn about Trulicity pen strengths, how to administer your weekly dose, storage tips, and what to do if you miss a dose.

Digoxin and Gynaecomastia: Causes, Risks, and When to Seek Help

Weight Loss

min read

Digoxin and Gynaecomastia: Causes, Risks, and When to Seek Help

Does digoxin cause gynaecomastia? Learn how this cardiac glycoside may trigger male breast enlargement, who is most at risk, key monitoring advice, and when to see your GP.

Can You Build Muscle on a Calorie Deficit? Evidence-Based Guide

Weight Loss

min read

Can You Build Muscle on a Calorie Deficit? Evidence-Based Guide

Can you build muscle on a calorie deficit? Discover the science behind body recomposition, who benefits most, optimal protein targets, and NHS-aligned guidance for safe, effective fat loss whilst preserving muscle.

Hair Loss

min read

Hair Loss and Tea Tree Oil: Evidence, Safe Use, and UK Treatments

Hair loss and tea tree oil: discover what the evidence says, how to use it safely on your scalp, potential risks, and NHS-recommended treatments available in the UK.

Mounjaro

min read

Mounjaro Side Effects: Swollen Lymph Nodes Explained

Mounjaro side effects swollen lymph nodes: Are they linked? Discover what UK clinical evidence shows, when to seek medical attention, and alternative causes of lymphadenopathy during tirzepatide treatment.

Does Saxenda Show in Blood Tests? Patient Guide

GLP-1 Brands

min read

Does Saxenda Show in Blood Tests? Patient Guide

Does Saxenda show on blood tests? Learn what UK patients need to know about GLP-1 detection, drug screening and monitoring.

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.

Does Sildenafil Work With Alcohol? UK Safety Guidance

Erectile Dysfunction

min read

Does Sildenafil Work With Alcohol? UK Safety Guidance

Does sildenafil work with alcohol? Discover how drinking affects Viagra's effectiveness, safe alcohol limits when taking sildenafil, potential risks, and when to seek medical advice. UK clinical guidance explained.

How Fast Can You Lose Weight on a Calorie Deficit? NHS-Aligned Guide

Weight Loss

min read

How Fast Can You Lose Weight on a Calorie Deficit? NHS-Aligned Guide

How fast can you lose weight on a calorie deficit? Discover safe, realistic weekly targets, NHS and NICE guidance, and key factors that affect your rate of weight loss.

Bolt Guides

Featured

Fish Oil Pills & Weight Loss: What the Evidence Says

Weight loss

Lemon Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

GLP-1 Brands

Wegovy

Mounjaro

How to Wean Off Rybelsus Safely: UK Clinical Guidance

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

Ozempic Effects on the Body: How Semaglutide Works

Men’s Health

Testosterone

Erectile dysfunction

What Is the Best Vacuum Device for Erectile Dysfunction?

How Many Days of Testosterone Gel Pump Treatment Are Needed?

Does Testogel Make Your Penis Larger? Evidence and Facts

How to Use Testogel for Women: Dosage, Application and Safety

Browse all

Can You Ruin Your Metabolism? The Facts

Crown of Head Hair Loss: Causes, Diagnosis, and UK Treatments

Aspirin Allergy: Medications to Avoid and Safe UK Alternatives

Hay Fever Allergy Medication: UK Guide to Treatments and Safety

Does Hypnosis Work for Erectile Dysfunction? Evidence and Options

Do Watermelon Help with Erectile Dysfunction? UK Evidence Review

Trulicity Doses Per Pen: UK Dosing Guide

Digoxin and Gynaecomastia: Causes, Risks, and When to Seek Help

Can You Build Muscle on a Calorie Deficit? Evidence-Based Guide

Hair Loss and Tea Tree Oil: Evidence, Safe Use, and UK Treatments

Mounjaro Side Effects: Swollen Lymph Nodes Explained

Does Saxenda Show in Blood Tests? Patient Guide

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Does Sildenafil Work With Alcohol? UK Safety Guidance

How Fast Can You Lose Weight on a Calorie Deficit? NHS-Aligned Guide

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