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

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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.

Vitamin C and HbA1c: Evidence, Safe Intake, and Diabetes Guidance

Weight Loss

min read

Vitamin C and HbA1c: Evidence, Safe Intake, and Diabetes Guidance

Vitamin C and HbA1c — discover what the clinical evidence says, how ascorbic acid may influence blood sugar control, safe UK intake levels for people with diabetes, and when to speak to your GP.

Vitamin C in Obesity Treatment and Prevention: UK Evidence Review

Weight Loss

min read

Vitamin C in Obesity Treatment and Prevention: UK Evidence Review

Explore the evidence for vitamin C in the treatment and prevention of obesity. Learn about biological mechanisms, clinical research, UK guidance, and why vitamin C supplementation is not recommended as a standalone weight management strategy.

CoQ10 and Fatty Liver: Evidence, Safety, and UK Guidance

Weight Loss

min read

CoQ10 and Fatty Liver: Evidence, Safety, and UK Guidance

Discover how CoQ10 and fatty liver disease are connected. Learn about the evidence for CoQ10 supplementation, safety considerations, and evidence-based treatments for NAFLD recommended by UK guidance.

Does Losartan Cause Gynaecomastia? UK Evidence Explained

Weight Loss

min read

Does Losartan Cause Gynaecomastia? UK Evidence Explained

Does losartan cause gynaecomastia? Learn what UK clinical evidence and MHRA guidance say about losartan and male breast swelling, which blood pressure medicines carry a higher risk, and when to see your GP.

How Much CoQ10 Is Too Much? UK Dosing Guidelines

Supplements

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How Much CoQ10 Is Too Much? UK Dosing Guidelines

Discover safe CoQ10 dosing limits and learn how much CoQ10 is too much. Expert guidance on recommended doses, signs of excessive intake, and who should avoid high-dose supplementation in the UK.

Can a Medical Assistant Give Allergy Shots? UK Guidance Explained

Supplements

min read

Can a Medical Assistant Give Allergy Shots? UK Guidance Explained

Can a medical assistant give allergy shots in the UK? Find out who is qualified to administer allergen immunotherapy, the legal framework, safety requirements, and what to expect from a specialist allergy clinic.

Does Tamsulosin Cause Gynaecomastia? Evidence, Risks & Advice

Weight Loss

min read

Does Tamsulosin Cause Gynaecomastia? Evidence, Risks & Advice

Does tamsulosin cause gynaecomastia? Learn what the evidence shows, how common breast changes are with alpha-blockers, other contributing causes, and when to see your GP.

What Does Tadalafil Do for Bodybuilding? Risks and Alternatives

Erectile Dysfunction

min read

What Does Tadalafil Do for Bodybuilding? Risks and Alternatives

What does tadalafil do for bodybuilding? Discover the science behind this prescription drug's effects on blood flow, muscle pump, and performance—plus the risks of off-label use and safer alternatives for athletes.

FBS 217 and HbA1c 8.8%: What It Means and How to Treat

Weight Loss

min read

FBS 217 and HbA1c 8.8%: What It Means and How to Treat

FBS 217 and HbA1c 8.8% signal poorly controlled diabetes — find out what these results mean, how NHS and NICE guidelines recommend treating them, and when to seek urgent medical advice.

Mounjaro

min read

Eggy Burps on Mounjaro: Causes, Management and When to Seek Help

Experiencing eggy burps on Mounjaro? Discover why this side effect occurs with tirzepatide, how common it is, effective dietary modifications, medical management options, and when to seek professional advice for sulphur burps during diabetes treatment.

Testosterone

min read

Testosterone & Anaemia Treatment in the UK Explained

Can testosterone treat anaemia? Discover how it affects red blood cells, when it's considered, and why NHS doctors rarely use it over standard treatments.

Zinc Oxide Is Good for Skin: Benefits and Uses

Supplements

min read

Zinc Oxide Is Good for Skin: Benefits and Uses

Discover why zinc oxide is good for skin, from nappy rash treatment to sun protection. Learn evidence-based benefits, safe application methods, and UK clinical guidance on this trusted dermatological ingredient.

Treatment for Dermatitis in the Obese: Evidence-Based Management

Weight Loss

min read

Treatment for Dermatitis in the Obese: Evidence-Based Management

Discover evidence-based treatment for dermatitis in the obese, including topical therapies, systemic options, and weight management strategies. Learn when to seek specialist care and how to manage skin fold dermatitis effectively in obesity.

Does Tolbutamide Increase Incretins Duration of Action? UK Evidence

Weight Loss

min read

Does Tolbutamide Increase Incretins Duration of Action? UK Evidence

Does tolbutamide increase the duration of action of incretins? Discover the evidence on sulphonylureas and incretin hormones, their distinct mechanisms, and what UK guidance says about combining these diabetes treatments safely.

Coffee and Glucose Levels: What You Need to Know

Weight Loss

min read

Coffee and Glucose Levels: What You Need to Know

Coffee and glucose levels explained: how caffeine affects blood sugar, insulin sensitivity, and diabetes risk. UK-aligned guidance for people managing blood glucose.

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

Vitamin C and HbA1c: Evidence, Safe Intake, and Diabetes Guidance

Vitamin C in Obesity Treatment and Prevention: UK Evidence Review

CoQ10 and Fatty Liver: Evidence, Safety, and UK Guidance

Does Losartan Cause Gynaecomastia? UK Evidence Explained

How Much CoQ10 Is Too Much? UK Dosing Guidelines

Can a Medical Assistant Give Allergy Shots? UK Guidance Explained

Does Tamsulosin Cause Gynaecomastia? Evidence, Risks & Advice

What Does Tadalafil Do for Bodybuilding? Risks and Alternatives

FBS 217 and HbA1c 8.8%: What It Means and How to Treat

Eggy Burps on Mounjaro: Causes, Management and When to Seek Help

Testosterone & Anaemia Treatment in the UK Explained

Zinc Oxide Is Good for Skin: Benefits and Uses

Treatment for Dermatitis in the Obese: Evidence-Based Management

Does Tolbutamide Increase Incretins Duration of Action? UK Evidence

Coffee and Glucose Levels: What You Need to Know

Personalized weight management for women