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.

Does Time of Day You Eat Carbs Affect HbA1c?

Weight Loss

min read

Does Time of Day You Eat Carbs Affect HbA1c?

Does the time of day you eat carbs affect HbA1c? Discover what the evidence says about carbohydrate timing, circadian rhythms, and long-term blood glucose control, with UK-aligned dietary guidance.

Can You Put Testogel On Twice a Day? UK Dosing Guidance

Testosterone

min read

Can You Put Testogel On Twice a Day? UK Dosing Guidance

Can you apply Testogel twice daily? Discover why this testosterone gel is licensed for once-daily use in the UK, the risks of increasing application frequency without medical advice, and how to optimise your treatment safely under proper supervision.

Does Fatty Liver Cause Pancreatitis? UK Medical Guide

Weight Loss

min read

Does Fatty Liver Cause Pancreatitis? UK Medical Guide

Does fatty liver cause pancreatitis? Discover the relationship between these two conditions, their shared risk factors, and when to seek medical advice. Expert UK guidance on NAFLD and pancreatitis.

Does Zinc Help You Sleep? Evidence and Safety Guidance

Supplements

min read

Does Zinc Help You Sleep? Evidence and Safety Guidance

Does zinc help you sleep? Explore the evidence linking zinc to sleep quality, recommended intake levels, potential benefits for sleep disorders, and important safety considerations. Learn when to consult your GP about sleep problems.

Will Testogel Reduce My Man Boobs? Gynaecomastia Treatment Facts

Testosterone

min read

Will Testogel Reduce My Man Boobs? Gynaecomastia Treatment Facts

Will Testogel reduce man boobs? Discover why testosterone gel is not indicated for gynaecomastia treatment and may worsen breast tissue enlargement. Learn about evidence-based treatment options, underlying causes, and when to consult your GP for male breast enlargement.

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.

Does B12 Make Joints Ache? Evidence and Guidance

Supplements

min read

Does B12 Make Joints Ache? Evidence and Guidance

Does B12 make joints ache? Discover the evidence on vitamin B12 and joint pain, why some people report discomfort, and when to seek medical advice. Expert UK guidance on managing symptoms whilst taking B12 supplements.

Does Fatty Liver Cause Foamy Urine? UK Medical Facts

Weight Loss

min read

Does Fatty Liver Cause Foamy Urine? UK Medical Facts

Does fatty liver cause foamy urine? Discover the real causes of foamy urine, the link between fatty liver disease and kidney function, and when to seek NHS medical advice for persistent symptoms.

What Is Cod Liver Oil Good For? Benefits and Safety

Supplements

min read

What Is Cod Liver Oil Good For? Benefits and Safety

Discover what cod liver oil is good for, including cardiovascular, bone, and joint health benefits. Learn about omega-3 fatty acids, vitamins A and D, safe dosing, side effects, and UK guidance on this traditional supplement.

Wegovy

min read

Can Wegovy Make You Emotional? Mood Effects Explained

Can Wegovy make you emotional? Discover the evidence on mood changes with semaglutide, why GLP-1 medications may affect mental wellbeing, and when to seek medical advice. UK guidance included.

No Energy on Saxenda: Causes, Management and When to Seek Help

GLP-1 Brands

min read

No Energy on Saxenda: Causes, Management and When to Seek Help

Experiencing no energy on Saxenda? Discover why liraglutide causes fatigue, practical strategies to manage tiredness, nutritional tips to maintain energy levels, and when to seek medical advice during your weight management treatment.

How to Store Trulicity: Fridge & Room Temp Guide

GLP-1 Brands

min read

How to Store Trulicity: Fridge & Room Temp Guide

Find out how to store Trulicity correctly, how long it can stay out of the fridge, and when to check if your pen is still safe to use.

Does Stevia Cause Fatty Liver? Evidence and UK Guidance

Weight Loss

min read

Does Stevia Cause Fatty Liver? Evidence and UK Guidance

Does stevia cause fatty liver disease? Discover what the evidence says about stevia's safety, UK regulatory guidance, and how this natural sweetener affects liver health in people with NAFLD.

GLP-1 and Bowel Movement Colour: What You Need to Know

Weight Loss

min read

GLP-1 and Bowel Movement Colour: What You Need to Know

Concerned about GLP-1 and bowel movement colour changes? Discover how semaglutide and other GLP-1 medications affect digestion, when stool colour changes need medical attention, and practical management strategies for gastrointestinal side effects.

Jelly Roll Gastric Sleeve: How Bariatric Surgery Works in the UK

Weight Loss

min read

Jelly Roll Gastric Sleeve: How Bariatric Surgery Works in the UK

Jelly Roll gastric sleeve: learn how sleeve gastrectomy works, NHS eligibility criteria, risks, benefits, and how to access bariatric surgery in the UK. Expert, evidence-based 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

Does Time of Day You Eat Carbs Affect HbA1c?

Can You Put Testogel On Twice a Day? UK Dosing Guidance

Does Fatty Liver Cause Pancreatitis? UK Medical Guide

Does Zinc Help You Sleep? Evidence and Safety Guidance

Will Testogel Reduce My Man Boobs? Gynaecomastia Treatment Facts

Vitamin D Benefits for Men: What the Evidence Shows

Does B12 Make Joints Ache? Evidence and Guidance

Does Fatty Liver Cause Foamy Urine? UK Medical Facts

What Is Cod Liver Oil Good For? Benefits and Safety

Can Wegovy Make You Emotional? Mood Effects Explained

No Energy on Saxenda: Causes, Management and When to Seek Help

How to Store Trulicity: Fridge & Room Temp Guide

Does Stevia Cause Fatty Liver? Evidence and UK Guidance

GLP-1 and Bowel Movement Colour: What You Need to Know

Jelly Roll Gastric Sleeve: How Bariatric Surgery Works in the UK

Personalized weight management for women