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.

Read all on weight loss

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.

Read now

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.

Read all on GLP-1 brands

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.

Read now

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

Hair Loss After COVID: Causes, Duration, and NHS Treatment Options

Hair loss after COVID explained: causes, how long it lasts, NHS treatments, and when to see your GP. Evidence-based UK guidance on post-COVID telogen effluvium and long COVID hair shedding.

Chronic Renal Failure and HbA1c: Accuracy, Alternatives, and Safe Management

Weight Loss

min read

Chronic Renal Failure and HbA1c: Accuracy, Alternatives, and Safe Management

Chronic renal failure and HbA1c: find out why kidney disease makes HbA1c unreliable, which alternatives to use, and how NICE guidance shapes safe diabetes management in CKD.

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.

Do Incretin Mimetics Cause Hypoglycaemia? Safety and Risk Factors

Weight Loss

min read

Do Incretin Mimetics Cause Hypoglycaemia? Safety and Risk Factors

Do incretin mimetics cause hypoglycaemia? Discover the low intrinsic risk of GLP-1 receptor agonists, key risk factors when combined with insulin or sulphonylureas, and essential safety guidance for type 2 diabetes management.

Does Ozempic Cause Ulcers? Evidence and Gastrointestinal Effects

GLP-1 Brands

min read

Does Ozempic Cause Ulcers? Evidence and Gastrointestinal Effects

Does Ozempic cause ulcers? Discover the evidence on semaglutide and stomach ulcers, common gastrointestinal side effects, risk factors, and when to seek urgent medical attention for digestive symptoms.

Can Atorvastatin Cause Gynaecomastia? Evidence, Risks, and Advice

Weight Loss

min read

Can Atorvastatin Cause Gynaecomastia? Evidence, Risks, and Advice

Can atorvastatin cause gynaecomastia? Explore the evidence, biological mechanisms, risk factors, and when to speak to your GP about breast changes whilst taking this statin.

Weight Loss

min read

Matcha Pills for Weight Loss: Evidence, Safety, and UK Alternatives

Matcha pills for weight loss: do they really work? Explore the clinical evidence, safety risks including liver injury, MHRA guidance, and NHS-approved alternatives available in the UK.

Gynaecomastia in Men: Prevalence, Causes, and NHS Treatment Options

Weight Loss

min read

Gynaecomastia in Men: Prevalence, Causes, and NHS Treatment Options

How many men have gynaecomastia? Up to 70% of teenage boys and one-third of adult men are affected. Learn about causes, NHS treatment options, and when to see your GP.

Hair Loss

min read

Oral Minoxidil for Hair Loss: UK Guide to Treatment, Doses and Safety

Oral minoxidil for hair loss: discover how this off-label UK treatment works, who is suitable, recommended doses, side effects, and how to access it safely through regulated NHS and private services.

Hair Loss

min read

OGX Shampoo Hair Loss: Ingredients, Evidence, and UK Treatment Options

OGX shampoo and hair loss — find out which ingredients raise concerns, what UK regulators say, when to see a GP, and which licensed treatments are recommended for hair thinning.

Does Wegovy Make You Cold? Why GLP-1s Cause Cold Sensitivity

Weight Loss

min read

Does Wegovy Make You Cold? Why GLP-1s Cause Cold Sensitivity

Feeling cold on Wegovy, Ozempic, Mounjaro or Zepbound? Learn why GLP-1 medications cause cold sensitivity and how to manage it effectively.

Cost

min read

Mounjaro Cost UK: OnlineMeds Pricing Guide

See OnlineMeds Mounjaro prices by dose, compare NHS vs private prescription costs, and find out what affects your monthly spend on tirzepatide in the UK.

Best Food to Eat on Retatrutide: A UK Clinical Guide

GLP-1 Brands

min read

Best Food to Eat on Retatrutide: A UK Clinical Guide

Best food to eat on retatrutide: discover which protein-rich, easily digestible foods support tolerance, what to avoid to reduce nausea, and practical meal planning tips for clinical trial participants.

Saxenda & Iron Deficiency: Symptoms and Management

GLP-1 Brands

min read

Saxenda & Iron Deficiency: Symptoms and Management

Discover how Saxenda affects iron levels, spot deficiency symptoms early, and get UK dietary tips and NHS advice for safe weight management.

Garden of Life Raw Resveratrol: UK Guide to Benefits and Safety

Supplements

min read

Garden of Life Raw Resveratrol: UK Guide to Benefits and Safety

Discover what Garden of Life Raw Resveratrol is, how it works, potential benefits, safety considerations, and where to buy in the UK. Expert guidance on this resveratrol supplement with evidence-based information.

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

Hair Loss After COVID: Causes, Duration, and NHS Treatment Options

Chronic Renal Failure and HbA1c: Accuracy, Alternatives, and Safe Management

How to Store Trulicity: Fridge & Room Temp Guide

Do Incretin Mimetics Cause Hypoglycaemia? Safety and Risk Factors

Does Ozempic Cause Ulcers? Evidence and Gastrointestinal Effects

Can Atorvastatin Cause Gynaecomastia? Evidence, Risks, and Advice

Matcha Pills for Weight Loss: Evidence, Safety, and UK Alternatives

Gynaecomastia in Men: Prevalence, Causes, and NHS Treatment Options

Oral Minoxidil for Hair Loss: UK Guide to Treatment, Doses and Safety

OGX Shampoo Hair Loss: Ingredients, Evidence, and UK Treatment Options

Does Wegovy Make You Cold? Why GLP-1s Cause Cold Sensitivity

Mounjaro Cost UK: OnlineMeds Pricing Guide

Best Food to Eat on Retatrutide: A UK Clinical Guide

Saxenda & Iron Deficiency: Symptoms and Management

Garden of Life Raw Resveratrol: UK Guide to Benefits and Safety

Personalized weight management for women