Bolt Guides

When can you eat salad after gastric sleeve surgery? Find out the recommended timeline, safest ingredients, foods to avoid, and expert NHS-aligned tips for reintroducing raw foods comfortably.

Weight Loss

min read

Gastric Sleeve Weight Loss Calculator: Results, Eligibility & Recovery Planning

Use a gastric sleeve weight loss calculator to estimate your results after sleeve gastrectomy. Learn how these tools work, NHS eligibility criteria, and expert recovery planning advice.

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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 Long Does Rybelsus Stay in Your System?

How long does Rybelsus stay in your system? Discover the elimination timeline, factors affecting clearance, and what happens when you stop taking this type 2 diabetes medication.

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What Is Ozempic Personality? Mood Changes and Semaglutide

GLP-1 Brands

min read

What Is Ozempic Personality? Mood Changes and Semaglutide

What is Ozempic personality? Explore reported mood and behavioural changes with semaglutide, the scientific evidence, and when to speak to your GP about side effects whilst taking Ozempic for type 2 diabetes.

What Does Trulicity Do to Your Body? Effects Explained

GLP-1 Brands

min read

What Does Trulicity Do to Your Body? Effects Explained

Discover what Trulicity does to your body, including how this GLP-1 receptor agonist lowers blood sugar, affects weight and appetite, and impacts long-term health in type 2 diabetes management.

Saxenda & Blood Donation: UK Eligibility Guide

GLP-1 Brands

min read

Saxenda & Blood Donation: UK Eligibility Guide

Taking Saxenda and want to give blood? Learn UK eligibility rules from NHSBT, what liraglutide means for donors, and when to seek advice before donating.

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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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Trans Women & Erectile Function: UK Guide

Erectile Dysfunction

min read

Trans Women & Erectile Function: UK Guide

Learn how hormone therapy affects erections in trans women, whether Viagra is suitable, and what support is available through the NHS.

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Testosterone

min read

How Often Should Testosterone Be Checked When Using Testogel?

Find out how often testosterone levels should be checked when using Testogel. Learn about UK monitoring schedules, blood tests, safety checks, and signs your dose may need adjusting under NHS guidelines.

Where to Put Testogel for Women: Safe Application Sites

Testosterone

min read

Where to Put Testogel for Women: Safe Application Sites

Discover where to put Testogel safely if you're a woman prescribed this off-label testosterone therapy. Learn the recommended application sites, step-by-step technique, and essential safety precautions to optimise treatment and minimise risks.

Testosterone

min read

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Can testosterone cause gynaecomastia? Learn how testosterone converts to oestrogen, who is most at risk, how to spot symptoms, and what NHS treatment options are available.

Hair Loss

min read

Can Hair Loss Be Reversed? Causes, Treatments and UK Guidance

Can hair loss be reversed? Discover which types of alopecia are treatable, NHS-recognised options including minoxidil and finasteride, scarring conditions, and when to see a GP in the UK.

Headaches from Calorie Deficit: Causes, Prevention and NHS Guidance

Weight Loss

min read

Headaches from Calorie Deficit: Causes, Prevention and NHS Guidance

Discover why calorie deficits trigger headaches and how to prevent them. Evidence-based NHS guidance on managing headaches during weight loss, when to seek medical advice, and safe strategies for sustainable calorie reduction without compromising your health.

B12 Recommended Daily Intake: UK Guidelines and Requirements

Supplements

min read

B12 Recommended Daily Intake: UK Guidelines and Requirements

Discover the B12 recommended daily intake for adults and children in the UK. Learn who needs more vitamin B12, the best food sources, and how to recognise deficiency symptoms to protect your health.

Intermittent Fasting for Obesity Treatment: Evidence and Safety Guide

Weight Loss

min read

Intermittent Fasting for Obesity Treatment: Evidence and Safety Guide

Discover how intermittent fasting for obesity treatment works, the evidence behind it, different fasting methods, who should avoid it, and how to combine it safely with NHS weight management support for sustainable results.

Does Rybelsus Lower Cholesterol? What Evidence Shows

GLP-1 Brands

min read

Does Rybelsus Lower Cholesterol? What Evidence Shows

Does Rybelsus affect cholesterol? Explore the clinical evidence on semaglutide and lipid levels to help manage your profile with this type 2 diabetes ta...

Activated Charcoal Fatty Liver: Evidence and Safety

Weight Loss

min read

Activated Charcoal Fatty Liver: Evidence and Safety

Discover the truth about activated charcoal and fatty liver disease. Learn evidence-based treatments, safety concerns, and when to seek medical advice for liver health in the UK.

Magnesium L-Threonate Benefits: Evidence Reviewed

Supplements

min read

Magnesium L-Threonate Benefits: Evidence Reviewed

What does the evidence say about magnesium L-threonate and brain health? Expert review of human trials, safety, dosage, and how it compares to other forms.

Berberine Supplement for Diabetes: UK Evidence and Safety Guide

Supplements

min read

Berberine Supplement for Diabetes: UK Evidence and Safety Guide

Discover whether berberine supplement for diabetes is safe and effective. Expert review of UK evidence, dosing, side effects, drug interactions, and NICE guidance on using berberine for blood sugar control.

Mounjaro

min read

Does Mounjaro Cause a Cough? UK Evidence and Guidance

Does Mounjaro cause a cough? Discover the evidence on tirzepatide and respiratory symptoms, learn about recognised side effects, and find out when to seek medical advice if you develop a cough whilst taking this diabetes medication.

Theraflu After Gastric Sleeve: UK Cold Remedy Safety Guide

Weight Loss

min read

Theraflu After Gastric Sleeve: UK Cold Remedy Safety Guide

Can you take Theraflu after gastric sleeve surgery? Learn which UK cold and flu remedies are safe post-op, which ingredients to avoid, and what NHS and bariatric guidance recommends.

Mounjaro

min read

Does Mounjaro Cause Restless Legs? UK Evidence and Guidance

Does Mounjaro cause restless legs? Explore the evidence linking tirzepatide to leg discomfort, understand potential mechanisms, and discover practical management strategies. UK medical guidance included.

Does Fatty Liver Cause Hives? Evidence and Guidance

Weight Loss

min read

Does Fatty Liver Cause Hives? Evidence and Guidance

Does fatty liver cause hives? Discover the evidence behind this common question. Learn about the relationship between liver health and skin reactions, when to investigate further, and how both conditions are diagnosed and treated in the UK.

Are Raisins Good for Fatty Liver Disease? Evidence and Guidance

Weight Loss

min read

Are Raisins Good for Fatty Liver Disease? Evidence and Guidance

Are raisins good for fatty liver disease? Discover what the evidence says about dried fruit, sugar content, and liver health. Expert guidance on dietary management for NAFLD with practical advice on portion control and better fruit choices for supporting your liver.

Oolong Tea and Visceral Fat: Evidence, Mechanisms, and UK Guidance

Weight Loss

min read

Oolong Tea and Visceral Fat: Evidence, Mechanisms, and UK Guidance

Oolong tea and visceral fat: explore the evidence, proposed mechanisms, safe consumption guidance for UK adults, and NICE-recommended lifestyle strategies for reducing abdominal fat.

Is It Okay to Break Your Calorie Deficit for One Day?

Weight Loss

min read

Is It Okay to Break Your Calorie Deficit for One Day?

Is it okay to break your calorie deficit for one day? Learn what really happens to your body, what NHS and NICE guidance says, and how to get back on track without guilt.

Bolt Guides

Featured

What Is RMR? Resting Metabolic Rate Explained

Weight loss

What Is RMR? Resting Metabolic Rate Explained

When Can I Eat Salad After Gastric Sleeve Surgery?

Gastric Sleeve Weight Loss Calculator: Results, Eligibility & Recovery Planning

GLP-1 Brands

Wegovy

Mounjaro

How Long Does Rybelsus Stay in Your System?

What Is Ozempic Personality? Mood Changes and Semaglutide

What Does Trulicity Do to Your Body? Effects Explained

Saxenda & Blood Donation: UK Eligibility Guide

Men’s Health

Testosterone

Erectile dysfunction

Trans Women & Erectile Function: UK Guide

How Often Should Testosterone Be Checked When Using Testogel?

Where to Put Testogel for Women: Safe Application Sites

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Browse all

Can Hair Loss Be Reversed? Causes, Treatments and UK Guidance

Headaches from Calorie Deficit: Causes, Prevention and NHS Guidance

B12 Recommended Daily Intake: UK Guidelines and Requirements

Intermittent Fasting for Obesity Treatment: Evidence and Safety Guide

Does Rybelsus Lower Cholesterol? What Evidence Shows

Activated Charcoal Fatty Liver: Evidence and Safety

Magnesium L-Threonate Benefits: Evidence Reviewed

Berberine Supplement for Diabetes: UK Evidence and Safety Guide

Does Mounjaro Cause a Cough? UK Evidence and Guidance

Theraflu After Gastric Sleeve: UK Cold Remedy Safety Guide

Does Mounjaro Cause Restless Legs? UK Evidence and Guidance

Does Fatty Liver Cause Hives? Evidence and Guidance

Are Raisins Good for Fatty Liver Disease? Evidence and Guidance

Oolong Tea and Visceral Fat: Evidence, Mechanisms, and UK Guidance

Is It Okay to Break Your Calorie Deficit for One Day?

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