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.

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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.

Does Ginger Help Fatty Liver? UK Evidence and Safe Usage

Weight Loss

min read

Does Ginger Help Fatty Liver? UK Evidence and Safe Usage

Does ginger help fatty liver disease? Discover what UK research reveals about ginger's potential benefits, safety considerations, and the proven lifestyle changes that effectively support liver health and reduce fat accumulation.

Hair Loss

min read

Normal Hair Loss in the Shower: What's Typical and When to Seek Help

Wondering what's a normal amount of hair loss in the shower? NHS-aligned guidance explains the 50–100 hairs per day rule, what causes increased shedding, and when to see your GP.

Best Vegetables for Fatty Liver: Evidence-Based UK Guide

Weight Loss

min read

Best Vegetables for Fatty Liver: Evidence-Based UK Guide

Discover the best vegetables for fatty liver disease, including cruciferous greens, leafy vegetables, and beetroot. Evidence-based guidance on how vegetables support liver health, reduce inflammation, and aid weight management for NAFLD. UK clinical advice aligned with NICE and NHS recommendations.

What Bread Is Good for Fatty Liver: UK Clinical Guidance

Weight Loss

min read

What Bread Is Good for Fatty Liver: UK Clinical Guidance

Discover what bread is good for fatty liver disease. Learn which wholegrain, seeded, and rye breads support liver health, which refined options to avoid, and practical tips for managing hepatic steatosis through informed bread choices aligned with UK guidance.

Weight Loss

min read

How Often Should You Adjust Your Calorie Deficit for Weight Loss?

Discover how often you should adjust your calorie deficit for safe, sustainable weight loss. Learn to recognise plateau signs, avoid metabolic stress, and make evidence-based adjustments aligned with NHS guidance for long-term success.

Erectile Dysfunction

min read

Is Horse Chestnut Good for Erectile Dysfunction? Evidence and Alternatives

Is horse chestnut good for erectile dysfunction? Discover what the evidence says about this herbal remedy, its safety profile, potential risks, and proven ED treatments available through the NHS.

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Weight Loss

min read

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Can you eat oatmeal while intermittent fasting? Find out when oatmeal breaks a fast, why it's an ideal choice for your eating window, and who should seek GP advice first.

Low in Vitamin B12: Causes, Symptoms, Diagnosis & Treatment

Supplements

min read

Low in Vitamin B12: Causes, Symptoms, Diagnosis & Treatment

Discover what it means to be low in vitamin B12, including causes, symptoms, diagnosis, and NHS treatment options. Learn how to recognise deficiency and when to seek medical help for this essential nutrient.

Retatrutide and Sermorelin Stack: Risks, Evidence, and UK Alternatives

GLP-1 Brands

min read

Retatrutide and Sermorelin Stack: Risks, Evidence, and UK Alternatives

Retatrutide and sermorelin stack: understand the risks, lack of clinical evidence, and UK regulatory status of combining these unlicensed peptides — plus safer, MHRA-approved alternatives.

Does Victoza Lower Blood Sugar? Evidence & Guidance

GLP-1 Brands

min read

Does Victoza Lower Blood Sugar? Evidence & Guidance

Find out how Victoza (liraglutide) works to reduce blood glucose in type 2 diabetes, what the clinical evidence shows, and what to expect during treatment.

What Are Fatty Fish? Types, Benefits & NHS Guidelines

Supplements

min read

What Are Fatty Fish? Types, Benefits & NHS Guidelines

Discover what fatty fish are, which species qualify, and why they're essential for health. Learn NHS recommendations, omega-3 benefits, safe consumption limits, and how to choose and prepare oily fish for optimal nutrition.

Which Type of Tissue Is More Metabolically Active?

Weight Loss

min read

Which Type of Tissue Is More Metabolically Active?

Which type of tissue is more metabolically active? Discover how the brain, heart, kidneys, liver, and brown fat compare in metabolic rate, and learn the clinical implications for diagnosis, treatment, and weight management in UK healthcare.

N-Acetyl Glucosamine Benefits: Evidence for Skin and Digestive Health

Supplements

min read

N-Acetyl Glucosamine Benefits: Evidence for Skin and Digestive Health

Discover the evidence behind N-acetyl glucosamine benefits for skin health and digestive support. Learn about safe dosing, potential side effects, and when to seek professional advice before supplementing with NAG.

Do You Have to Take a GLP-1 Forever? UK Treatment Duration Guide

Weight Loss

min read

Do You Have to Take a GLP-1 Forever? UK Treatment Duration Guide

Do you have to take a GLP-1 forever? Discover how long you need GLP-1 medications for diabetes or weight loss, what happens when you stop, and factors affecting treatment duration. Evidence-based UK guidance.

Can You Microdose Rybelsus? Risks and Safe Alternatives

GLP-1 Brands

min read

Can You Microdose Rybelsus? Risks and Safe Alternatives

Can you microdose Rybelsus for type 2 diabetes? Discover why taking doses below the recommended regimen risks inadequate blood glucose control, and explore safe alternatives if you experience side effects from this GLP-1 receptor agonist.

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

Does Ginger Help Fatty Liver? UK Evidence and Safe Usage

Normal Hair Loss in the Shower: What's Typical and When to Seek Help

Best Vegetables for Fatty Liver: Evidence-Based UK Guide

What Bread Is Good for Fatty Liver: UK Clinical Guidance

How Often Should You Adjust Your Calorie Deficit for Weight Loss?

Is Horse Chestnut Good for Erectile Dysfunction? Evidence and Alternatives

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Low in Vitamin B12: Causes, Symptoms, Diagnosis & Treatment

Retatrutide and Sermorelin Stack: Risks, Evidence, and UK Alternatives

Does Victoza Lower Blood Sugar? Evidence & Guidance

What Are Fatty Fish? Types, Benefits & NHS Guidelines

Which Type of Tissue Is More Metabolically Active?

N-Acetyl Glucosamine Benefits: Evidence for Skin and Digestive Health

Do You Have to Take a GLP-1 Forever? UK Treatment Duration Guide

Can You Microdose Rybelsus? Risks and Safe Alternatives

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