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.

Hair Loss

min read

Copper Peptides for Hair Loss: Evidence, Safety, and How to Use Them

Copper peptides for hair loss — discover how GHK-Cu works, what the clinical evidence shows, how to use scalp serums safely, and when to see a doctor. UK-focused, medically reviewed guidance.

Hair Loss

min read

Does Botox Cause Hair Loss? Evidence, Side Effects & UK Guidance

Does Botox cause hair loss? Explore the evidence, MHRA-recognised side effects, and common causes of hair thinning — plus when to see a GP or dermatologist in the UK.

5 Months Post-Op Gastric Sleeve Stall: Causes and NHS Guidance

Weight Loss

min read

5 Months Post-Op Gastric Sleeve Stall: Causes and NHS Guidance

Experiencing a 5 months post-op gastric sleeve stall? Learn why weight loss plateaus happen after sleeve gastrectomy, what to expect, and how NHS and BOMSS guidance can help you break through safely.

Omega Fatty Acids and Vitamins: UK Guide to Benefits and Safety

Supplements

min read

Omega Fatty Acids and Vitamins: UK Guide to Benefits and Safety

Discover how omega fatty acids and vitamins work together to support heart, brain, and immune health. Learn about UK-recommended doses, food sources, and safety considerations for combining these essential nutrients in your diet.

Erectile Dysfunction

min read

Do Nitrates Cause Erectile Dysfunction? Evidence and Safe Management

Do nitrates cause erectile dysfunction? Discover the evidence-based answer, understand the critical drug interactions with ED medications, and learn safe management options for men taking nitrates for heart conditions.

Does Ozempic Cause Blindness? Eye Side Effects

GLP-1 Brands

min read

Does Ozempic Cause Blindness? Eye Side Effects

Concerned about Ozempic and your eyesight? Learn what the evidence says about blindness risk, diabetic retinopathy, and when to seek medical advice.

Why Does Rybelsus Taste So Bad? Causes and Solutions

GLP-1 Brands

min read

Why Does Rybelsus Taste So Bad? Causes and Solutions

Why does Rybelsus taste so bad? Discover the science behind the unpleasant taste, how the tablet's absorption enhancer affects flavour, and practical tips to minimise taste issues when taking this type 2 diabetes medication.

Erectile Dysfunction

min read

Does Topical Minoxidil Cause Erectile Dysfunction? UK Evidence Review

Does topical minoxidil cause erectile dysfunction? Discover what clinical evidence reveals about this common hair loss treatment, how it differs from oral minoxidil, and when to seek medical advice about side effects.

Is Vitamin D a Hormone? Understanding Its Dual Role

Supplements

min read

Is Vitamin D a Hormone? Understanding Its Dual Role

Is vitamin D a hormone or a vitamin? Discover why vitamin D functions as both a prohormone and essential nutrient, how your body produces and regulates it, and what this means for your health and supplementation needs.

Does Coke Zero Cause Fatty Liver? Evidence and Guidance

Weight Loss

min read

Does Coke Zero Cause Fatty Liver? Evidence and Guidance

Does Coke Zero cause fatty liver disease? Explore the evidence on artificial sweeteners, liver health, and metabolism. Learn what UK guidance says and discover practical steps to protect your liver with expert medical advice.

Does Vitamin D Help Gynaecomastia? Evidence and UK Treatment Options

Weight Loss

min read

Does Vitamin D Help Gynaecomastia? Evidence and UK Treatment Options

Does vitamin D help gynaecomastia? Explore the evidence behind vitamin D and male breast tissue, UK treatment options including tamoxifen and surgery, and when to see your GP.

Does Stomach Growling Mean Calorie Deficit? The Truth Explained

Weight Loss

min read

Does Stomach Growling Mean Calorie Deficit? The Truth Explained

Does stomach growling mean calorie deficit? Discover the truth behind stomach rumbling, what it really indicates about your energy balance, and how to recognise genuine hunger signals for healthy weight management.

Hair Loss

min read

What Medications Can Cause Hair Loss: A UK Clinical Guide

What medications can cause hair loss? Discover which drug classes are linked to alopecia, how to tell drug-induced hair loss apart from other causes, and what to do next — with UK clinical guidance.

Best Time to Take Berberine for Blood Sugar Control

Supplements

min read

Best Time to Take Berberine for Blood Sugar Control

Discover the best time to take berberine for blood sugar control, including evidence-based dosing strategies, meal timing recommendations, and essential safety guidance for UK users.

Saxenda Storage Guide: How Long Does a Pen Last?

GLP-1 Brands

min read

Saxenda Storage Guide: How Long Does a Pen Last?

Learn how to store Saxenda correctly, how long an opened pen lasts, and how to travel safely with your medication. Clear UK guidance in one place.

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

Copper Peptides for Hair Loss: Evidence, Safety, and How to Use Them

Does Botox Cause Hair Loss? Evidence, Side Effects & UK Guidance

5 Months Post-Op Gastric Sleeve Stall: Causes and NHS Guidance

Omega Fatty Acids and Vitamins: UK Guide to Benefits and Safety

Do Nitrates Cause Erectile Dysfunction? Evidence and Safe Management

Does Ozempic Cause Blindness? Eye Side Effects

Why Does Rybelsus Taste So Bad? Causes and Solutions

Does Topical Minoxidil Cause Erectile Dysfunction? UK Evidence Review

Is Vitamin D a Hormone? Understanding Its Dual Role

Does Coke Zero Cause Fatty Liver? Evidence and Guidance

Does Vitamin D Help Gynaecomastia? Evidence and UK Treatment Options

Does Stomach Growling Mean Calorie Deficit? The Truth Explained

What Medications Can Cause Hair Loss: A UK Clinical Guide

Best Time to Take Berberine for Blood Sugar Control

Saxenda Storage Guide: How Long Does a Pen Last?

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