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.

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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.

How Much Zinc to Take When Sick: UK Dosage Guidance

Supplements

min read

How Much Zinc to Take When Sick: UK Dosage Guidance

Discover evidence-based guidance on how much zinc to take when sick, including recommended doses for adults, safety precautions, potential side effects, and UK clinical advice for zinc supplementation during illness.

Weight Loss

min read

Evolve Weight Loss Pills: Ingredients, Evidence, Safety, and NHS Alternatives

Evolve weight loss pills reviewed: ingredients, evidence, safety risks, and drug interactions explained. Find out how they compare to NICE-recommended NHS treatments and when to see a GP.

Wegovy

min read

Can You Take Bioma with Wegovy? Safety and Guidance

Can you take Bioma with Wegovy safely? Discover the evidence on combining probiotic supplements with semaglutide for weight management, potential interactions, and when to consult your GP.

Can You Eat Hummus After Gastric Sleeve? A UK Dietary Guide

Weight Loss

min read

Can You Eat Hummus After Gastric Sleeve? A UK Dietary Guide

Can you eat hummus after gastric sleeve surgery? Find out when it's safe to introduce hummus, how much to eat, its nutritional benefits, and key NHS dietary guidance for post-sleeve recovery.

How Long Does Tadalafil Stay in Your System?

Erectile Dysfunction

min read

How Long Does Tadalafil Stay in Your System?

Learn how tadalafil's 17.5-hour half-life affects how long it stays in your system, whether it builds up with daily use, and what this means for you.

SADI-S vs Gastric Sleeve: Comparing Bariatric Surgery Options in the UK

Weight Loss

min read

SADI-S vs Gastric Sleeve: Comparing Bariatric Surgery Options in the UK

SADI-S vs gastric sleeve: compare how each procedure works, weight loss outcomes, risks, NHS eligibility, and nutritional needs. Expert UK clinical guidance to help you decide.

Hair Loss

min read

Does Rosuvastatin Cause Hair Loss? UK Evidence and Guidance

Does rosuvastatin cause hair loss? Learn what UK clinical evidence and the rosuvastatin SmPC say about alopecia as a side effect, other causes to rule out, and when to see your GP.

Glucose Testing After Gastric Sleeve: NHS Guide to Monitoring

Weight Loss

min read

Glucose Testing After Gastric Sleeve: NHS Guide to Monitoring

Glucose testing after gastric sleeve surgery explained — learn which NHS tests are used, how to interpret results, what post-bariatric hypoglycaemia means, and when to seek medical advice.

Half-Life of Retatrutide: Pharmacokinetics, Dosing, and UK Status

GLP-1 Brands

min read

Half-Life of Retatrutide: Pharmacokinetics, Dosing, and UK Status

What is the half-life of retatrutide? Learn how this investigational triple agonist's ~6-day half-life supports once-weekly dosing, its mechanism of action, and its current UK regulatory status.

How Quickly Does Testogel Stop Working After Discontinuation?

Testosterone

min read

How Quickly Does Testogel Stop Working After Discontinuation?

Discover how quickly Testogel stops working after discontinuation. Learn about testosterone decline timelines, factors affecting duration, symptom return, and safe management strategies under medical supervision.

Testosterone

min read

Can TRT Be Combined with Other Treatments for Low Testosterone?

Can TRT be combined with other treatments for low testosterone? Discover how combining testosterone replacement therapy with lifestyle changes, medications, and targeted interventions can optimise outcomes for men with hypogonadism, following UK clinical guidance.

Mounjaro

min read

Who Is Mounjaro For? UK Eligibility and Prescribing Guide

Discover who Mounjaro is for in the UK, including eligibility for type 2 diabetes and weight management, how to access it on the NHS or privately, and what to discuss with your GP before starting treatment.

Hair Loss

min read

Hair Loss and Tea Tree Oil: Evidence, Safe Use, and UK Treatments

Hair loss and tea tree oil: discover what the evidence says, how to use it safely on your scalp, potential risks, and NHS-recommended treatments available in the UK.

How to Travel with GLP-1 Medications Safely: Essential Guide

Weight Loss

min read

How to Travel with GLP-1 Medications Safely: Essential Guide

Discover how to travel with GLP-1 medications safely. Expert guidance on storage, packing, airport security, documentation, and managing injection schedules across time zones for Ozempic, Wegovy, Trulicity, and Saxenda.

Does Ozempic Help With Insulin Resistance? UK Clinical Evidence

GLP-1 Brands

min read

Does Ozempic Help With Insulin Resistance? UK Clinical Evidence

Does Ozempic help with insulin resistance? Discover how this GLP-1 receptor agonist improves insulin sensitivity in type 2 diabetes through weight loss and enhanced glucose control, plus UK prescribing guidance and alternatives.

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

How Much Zinc to Take When Sick: UK Dosage Guidance

Evolve Weight Loss Pills: Ingredients, Evidence, Safety, and NHS Alternatives

Can You Take Bioma with Wegovy? Safety and Guidance

Can You Eat Hummus After Gastric Sleeve? A UK Dietary Guide

How Long Does Tadalafil Stay in Your System?

SADI-S vs Gastric Sleeve: Comparing Bariatric Surgery Options in the UK

Does Rosuvastatin Cause Hair Loss? UK Evidence and Guidance

Glucose Testing After Gastric Sleeve: NHS Guide to Monitoring

Half-Life of Retatrutide: Pharmacokinetics, Dosing, and UK Status

How Quickly Does Testogel Stop Working After Discontinuation?

Can TRT Be Combined with Other Treatments for Low Testosterone?

Who Is Mounjaro For? UK Eligibility and Prescribing Guide

Hair Loss and Tea Tree Oil: Evidence, Safe Use, and UK Treatments

How to Travel with GLP-1 Medications Safely: Essential Guide

Does Ozempic Help With Insulin Resistance? UK Clinical Evidence

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