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.

Read Wegovy guides

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.

Read testosterone guides

Erectile dysfunction

Answer all your questions about erectile dysfunction.

Read erectile dysfunction guides

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.

Can Swimming Get Rid of Visceral Fat? Evidence and UK Guidance

Weight Loss

min read

Can Swimming Get Rid of Visceral Fat? Evidence and UK Guidance

Can swimming get rid of visceral fat? Discover the science behind swimming and abdominal fat loss, how much exercise you need, and expert UK health guidance to reduce your risk.

Feeling Full on a Calorie Deficit: Is It Normal and What It Means

Weight Loss

min read

Feeling Full on a Calorie Deficit: Is It Normal and What It Means

Is it normal to feel full on a calorie deficit? Yes — and it often means your diet is working. Discover the science behind satiety, the best filling foods, and when to see your GP.

Vitamin K Trade Name: Konakion & UK Clinical Use

Supplements

min read

Vitamin K Trade Name: Konakion & UK Clinical Use

Discover UK trade names for vitamin K, including Konakion MM, plus formulations, doses, and clinical uses for neonates and warfarin reversal.

Are Cranberries Good for Fatty Liver? Evidence and Guidance

Weight Loss

min read

Are Cranberries Good for Fatty Liver? Evidence and Guidance

Are cranberries good for fatty liver? Discover what the evidence says about cranberries and hepatic steatosis, plus proven dietary strategies for managing NAFLD recommended by UK health authorities.

Hair Loss

min read

Can Adderall Cause Hair Loss? UK Stimulant Guidance Explained

Can Adderall cause hair loss? Learn how UK-licensed stimulants like lisdexamfetamine and methylphenidate may trigger telogen effluvium, what other causes to rule out, and when to see your GP.

Hair Loss

min read

Non-Scarring Hair Loss: Causes, Treatments, and NHS Guidance

Non-scarring hair loss explained: causes, NHS and private treatments, when to see a GP, and expert guidance on androgenetic alopecia, telogen effluvium, and alopecia areata.

Vitamin A B C D E Supplement: UK Guidance and Benefits

Supplements

min read

Vitamin A B C D E Supplement: UK Guidance and Benefits

Discover when vitamin A, B, C, D and E supplements are needed, recommended UK doses, health benefits, safety guidance and who should consider supplementation for optimal health.

Can Fatty Liver Cause High Prolactin? Medical Evidence Explained

Weight Loss

min read

Can Fatty Liver Cause High Prolactin? Medical Evidence Explained

Can fatty liver cause high prolactin levels? Discover the medical evidence on whether hepatic steatosis affects prolactin, what actually causes hyperprolactinaemia, and when liver disease impacts hormone balance.

Bulimia After Gastric Band: Symptoms, Causes, and NHS Treatment

Weight Loss

min read

Bulimia After Gastric Band: Symptoms, Causes, and NHS Treatment

Bulimia after gastric band surgery — understand the signs, causes, and NHS treatment options. Learn how LAGB can affect eating behaviour and where to get help in the UK.

Best Protein Shakes for GLP-1 Medications: UK Guide

Weight Loss

min read

Best Protein Shakes for GLP-1 Medications: UK Guide

Discover the best protein shakes for GLP-1 medications in the UK. Learn how to choose high-quality, low-sugar options to preserve muscle mass, manage side effects, and maintain adequate nutrition whilst taking semaglutide or liraglutide for diabetes or weight loss.

Best Day to Start GLP-1: Timing Your First Dose

Weight Loss

min read

Best Day to Start GLP-1: Timing Your First Dose

Discover the best day to start GLP-1 therapy for diabetes or weight management. Learn practical tips for timing your first dose, managing side effects, and establishing a sustainable routine with expert UK guidance.

Testosterone

min read

Does Testosterone Treatment Affect Ejaculation? UK Guide

Does testosterone treatment affect ejaculation? Discover how TRT impacts ejaculatory function, sperm production, and fertility, plus when to speak with your GP about concerns during testosterone therapy.

Are Brazil Nuts Good for Fatty Liver? Evidence and Safe Intake

Weight Loss

min read

Are Brazil Nuts Good for Fatty Liver? Evidence and Safe Intake

Are Brazil nuts good for fatty liver? Discover the evidence behind selenium-rich Brazil nuts for liver health, safe intake levels, and how they fit into evidence-based dietary strategies for managing fatty liver disease in the UK.

Estimated Average Glucose from HbA1c: UK Guide to Your Results

Weight Loss

min read

Estimated Average Glucose from HbA1c: UK Guide to Your Results

Estimated average glucose from HbA1c explained: learn how eAG is calculated, what your result means, UK reference ranges, NICE guidance, and when to contact your GP or diabetes team.

How to Jump-Start Saxenda After a Plateau: Evidence-Based Strategies

GLP-1 Brands

min read

How to Jump-Start Saxenda After a Plateau: Evidence-Based Strategies

Discover evidence-based strategies to jump-start Saxenda after a weight loss plateau. Learn when to seek GP advice, lifestyle adjustments, and how to optimise your treatment for continued success with expert NHS-aligned guidance.

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 Swimming Get Rid of Visceral Fat? Evidence and UK Guidance

Feeling Full on a Calorie Deficit: Is It Normal and What It Means

Vitamin K Trade Name: Konakion & UK Clinical Use

Are Cranberries Good for Fatty Liver? Evidence and Guidance

Can Adderall Cause Hair Loss? UK Stimulant Guidance Explained

Non-Scarring Hair Loss: Causes, Treatments, and NHS Guidance

Vitamin A B C D E Supplement: UK Guidance and Benefits

Can Fatty Liver Cause High Prolactin? Medical Evidence Explained

Bulimia After Gastric Band: Symptoms, Causes, and NHS Treatment

Best Protein Shakes for GLP-1 Medications: UK Guide

Best Day to Start GLP-1: Timing Your First Dose

Does Testosterone Treatment Affect Ejaculation? UK Guide

Are Brazil Nuts Good for Fatty Liver? Evidence and Safe Intake

Estimated Average Glucose from HbA1c: UK Guide to Your Results

How to Jump-Start Saxenda After a Plateau: Evidence-Based Strategies

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