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.

Read Mounjaro guides

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.

Read testosterone guides

Erectile dysfunction

Answer all your questions about erectile dysfunction.

Read erectile dysfunction guides

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

Toppers for Hair Loss: Types, Choosing, Care and When to See a GP

Toppers for hair loss: discover how hair toppers work, which types are available in the UK, how to choose the right one for your hair loss pattern, and when to see your GP.

Are Sprouts Good for Fatty Liver? Evidence and Guidance

Weight Loss

min read

Are Sprouts Good for Fatty Liver? Evidence and Guidance

Are sprouts good for fatty liver? Discover how broccoli sprouts, Brussels sprouts, and other germinated vegetables may support liver health through sulforaphane, fibre, and antioxidants. Evidence-based guidance on incorporating sprouts safely into a liver-friendly diet, plus essential dietary strategies for managing NAFLD according to UK clinical recommendations.

Cost

min read

Well Pharmacy Wegovy Cost: Price & Eligibility UK

Find out how much Wegovy costs at Well Pharmacy, from £199/month privately. Compare NHS vs private access, eligibility criteria, and your options.

Retatrutide Heart Rate Increase: Mechanism, Evidence, and Clinical Guidance

GLP-1 Brands

min read

Retatrutide Heart Rate Increase: Mechanism, Evidence, and Clinical Guidance

Retatrutide heart rate increase explained: understand the mechanism, Phase 2 trial evidence, who is most at risk, and when to seek medical advice. UK-focused clinical guidance.

Healthiest Fish to Eat: Nutrition, Safety and Sustainability Guide

Supplements

min read

Healthiest Fish to Eat: Nutrition, Safety and Sustainability Guide

Discover the healthiest fish to eat for optimal nutrition, heart health, and sustainability. Expert guidance on omega-3-rich varieties, mercury safety, NHS recommendations, and sustainable choices to support your wellbeing and protect ocean ecosystems.

Does Ozempic Increase Penis Size? The Evidence

GLP-1 Brands

min read

Does Ozempic Increase Penis Size? The Evidence

No pill or injection physically enlarges the penis. Learn what weight loss on Ozempic actually does — and what the medical evidence really shows.

How Quickly Does a B12 Injection Work? Timeline and Expectations

Supplements

min read

How Quickly Does a B12 Injection Work? Timeline and Expectations

How quickly does a B12 injection work? Discover the timeline for symptom improvement, what happens after your first injection, factors affecting response speed, and when to contact your GP about B12 treatment.

Mounjaro

min read

Does Mounjaro Cause Nightmares? UK Evidence and Guidance

Does Mounjaro cause nightmares? Explore the evidence on tirzepatide and sleep disturbances, including potential indirect causes, safety data, and what to do if you experience unusual dreams whilst taking this type 2 diabetes medication.

Mounjaro

min read

Mounjaro and Heartburn: Causes, Management and When to Seek Help

Discover the connection between Mounjaro and heartburn, including how tirzepatide affects digestion, practical management strategies for reflux symptoms, and when to seek medical advice whilst taking this diabetes medication.

How Much Tuna Is Too Much: Safe Limits and Mercury Risks

Supplements

min read

How Much Tuna Is Too Much: Safe Limits and Mercury Risks

How much tuna is too much? Discover NHS and FSA guidelines on safe tuna consumption, mercury risks for pregnant women and children, symptoms of mercury poisoning, and lower-mercury fish alternatives to protect your health.

Hair Loss

min read

Hair Loss Due to Stress and Anxiety: Causes, Types and UK Treatment

Hair loss due to stress and anxiety explained — causes, types, NHS diagnosis, UK treatment options, and expert tips for long-term recovery. Read our clinically reviewed guide.

Saxenda Dosing Schedule: Daily Use & Dose Chart

GLP-1 Brands

min read

Saxenda Dosing Schedule: Daily Use & Dose Chart

Learn how Saxenda's once-daily injection works, the 5-week dose escalation schedule, maximum 3 mg dose, and how long to use it — aligned with UK guidance.

Vitamin D Benefits for Men: What the Evidence Shows

Supplements

min read

Vitamin D Benefits for Men: What the Evidence Shows

Explore the key vitamin D benefits for men — from bone and muscle support to immune health. Includes UK guidance on dosage, sources, and year-round levels.

Ayurvedic Medication for Allergies: Evidence, Safety, and NHS Guidance

Supplements

min read

Ayurvedic Medication for Allergies: Evidence, Safety, and NHS Guidance

Ayurvedic medication for allergies: discover what UK regulators say about safety, common herbal ingredients, potential drug interactions, and when to seek NHS medical advice.

Calorie Deficit Overnight Oats: Recipes, Nutrition, and Weight Management Tips

Weight Loss

min read

Calorie Deficit Overnight Oats: Recipes, Nutrition, and Weight Management Tips

Calorie deficit overnight oats: discover how to make a low-calorie, high-fibre breakfast that supports weight management. Includes recipes, ingredient swaps, and NHS-aligned guidance.

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

Toppers for Hair Loss: Types, Choosing, Care and When to See a GP

Are Sprouts Good for Fatty Liver? Evidence and Guidance

Well Pharmacy Wegovy Cost: Price & Eligibility UK

Retatrutide Heart Rate Increase: Mechanism, Evidence, and Clinical Guidance

Healthiest Fish to Eat: Nutrition, Safety and Sustainability Guide

Does Ozempic Increase Penis Size? The Evidence

How Quickly Does a B12 Injection Work? Timeline and Expectations

Does Mounjaro Cause Nightmares? UK Evidence and Guidance

Mounjaro and Heartburn: Causes, Management and When to Seek Help

How Much Tuna Is Too Much: Safe Limits and Mercury Risks

Hair Loss Due to Stress and Anxiety: Causes, Types and UK Treatment

Saxenda Dosing Schedule: Daily Use & Dose Chart

Vitamin D Benefits for Men: What the Evidence Shows

Ayurvedic Medication for Allergies: Evidence, Safety, and NHS Guidance

Calorie Deficit Overnight Oats: Recipes, Nutrition, and Weight Management Tips

Personalized weight management for women