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.

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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 CoQ10 Help with Weight Loss? Evidence Review

Supplements

min read

Does CoQ10 Help with Weight Loss? Evidence Review

Does CoQ10 help with weight loss? Discover what clinical evidence reveals about CoQ10 supplementation for weight management, its role in metabolism, and evidence-based approaches to healthy weight loss.

Weight Loss

min read

Do Weight Loss Injections Hurt? Pain Levels and Comfort Tips

Do weight loss injections hurt? Discover what to expect from Wegovy, Saxenda, and Mounjaro injections, how much discomfort you might feel, and expert techniques to minimise pain during treatment.

Can I Eat Onion with Fatty Liver? UK Evidence and Advice

Weight Loss

min read

Can I Eat Onion with Fatty Liver? UK Evidence and Advice

Can you eat onions with fatty liver disease? Discover the evidence on onions and liver health, their nutritional benefits, and practical dietary advice for managing NAFLD and MASLD in the UK.

Does GLP-1 Help with Lymphoedema? Evidence and UK Guidance

Weight Loss

min read

Does GLP-1 Help with Lymphoedema? Evidence and UK Guidance

Does GLP-1 help with lymphoedema? Explore the evidence on GLP-1 receptor agonists, weight loss, and lymphoedema management. Learn about current UK guidance, treatment options, and whether these medications may benefit lymphoedema patients.

Hair Loss

min read

Regaine Hair Loss Side Effects: UK Guide to Minoxidil Safety

Regaine hair loss side effects explained for UK patients — from scalp irritation and temporary shedding to serious symptoms requiring urgent care. Includes MHRA guidance, alternatives, and when to see a GP.

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Weight Loss

min read

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Lap band gastric banding system explained: how LAGB works, NHS eligibility criteria, risks, diet after surgery, and UK alternatives including sleeve gastrectomy and gastric bypass.

Do You Take Rybelsus Daily? Dosing Schedule Explained

GLP-1 Brands

min read

Do You Take Rybelsus Daily? Dosing Schedule Explained

Do you take Rybelsus daily? Yes—discover why once-daily dosing is essential, the correct morning timing, what happens if you miss a dose, and practical tips for consistent use of this type 2 diabetes medication.

Magnesium Oil Benefits: Evidence, Uses & Safety

Supplements

min read

Magnesium Oil Benefits: Evidence, Uses & Safety

Discover what magnesium oil may offer for muscle recovery and sleep, with UK guidance on safe use, absorption, and what the research shows.

Mounjaro

min read

Can You Take Mounjaro and Phentermine Together? UK Guidance

Can you take Mounjaro and phentermine together? Discover why this combination isn't recommended in the UK, the safety concerns involved, and evidence-based alternatives for effective weight management approved by NICE and the MHRA.

Bacon After Gastric Sleeve: Safety, Risks, and Healthier Alternatives

Weight Loss

min read

Bacon After Gastric Sleeve: Safety, Risks, and Healthier Alternatives

Bacon after gastric sleeve surgery — is it safe? Discover what UK bariatric dietitians and NHS guidelines advise about processed meats, nutritional risks, and healthier protein alternatives post-surgery.

What Should Your Vitamin D Count Be? UK Levels Explained

Supplements

min read

What Should Your Vitamin D Count Be? UK Levels Explained

What should your vitamin D count be? Discover the UK recommended vitamin D levels, how to interpret blood test results, symptoms of deficiency, and expert guidance on maintaining healthy levels through supplementation and lifestyle.

Testosterone

min read

Was Bruce Lee on Testosterone Treatment? Medical Evidence Examined

Was Bruce Lee on testosterone treatment? Examine the medical evidence, historical context of 1970s hormone therapy, and facts about his documented health conditions. Discover what the evidence reveals about this enduring question.

Are Peanuts Good for Fatty Liver? Evidence and Guidance

Weight Loss

min read

Are Peanuts Good for Fatty Liver? Evidence and Guidance

Are peanuts good for fatty liver? Discover what the evidence shows about peanuts in NAFLD management, their nutritional benefits, portion guidance, and how to include them safely in a liver-friendly diet.

Half-Life of Berberine: Duration, Dosing and Safety Guide

Supplements

min read

Half-Life of Berberine: Duration, Dosing and Safety Guide

Discover the half-life of berberine (4-8 hours), how long it stays in your system, optimal dosing schedules, and crucial safety information about this popular supplement. Essential UK guidance for safe use.

Mounjaro

min read

Mounjaro and Vitamin C: Safety, Interactions, and Guidance

Can you take Mounjaro and vitamin C together? Discover the safety, potential interactions, and expert guidance on combining tirzepatide with vitamin C supplements for type 2 diabetes management.

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 CoQ10 Help with Weight Loss? Evidence Review

Do Weight Loss Injections Hurt? Pain Levels and Comfort Tips

Can I Eat Onion with Fatty Liver? UK Evidence and Advice

Does GLP-1 Help with Lymphoedema? Evidence and UK Guidance

Regaine Hair Loss Side Effects: UK Guide to Minoxidil Safety

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Do You Take Rybelsus Daily? Dosing Schedule Explained

Magnesium Oil Benefits: Evidence, Uses & Safety

Can You Take Mounjaro and Phentermine Together? UK Guidance

Bacon After Gastric Sleeve: Safety, Risks, and Healthier Alternatives

What Should Your Vitamin D Count Be? UK Levels Explained

Was Bruce Lee on Testosterone Treatment? Medical Evidence Examined

Are Peanuts Good for Fatty Liver? Evidence and Guidance

Half-Life of Berberine: Duration, Dosing and Safety Guide

Mounjaro and Vitamin C: Safety, Interactions, and Guidance

Personalized weight management for women