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

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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.

Can Prediabetes Cause Fatty Liver? The Metabolic Link Explained

Weight Loss

min read

Can Prediabetes Cause Fatty Liver? The Metabolic Link Explained

Can prediabetes cause fatty liver? Discover the proven link between prediabetes and NAFLD, how insulin resistance connects them, and evidence-based strategies to manage both conditions effectively through lifestyle changes.

Does Sildenafil Make Your Heart Race? NHS Safety Guidance

Erectile Dysfunction

min read

Does Sildenafil Make Your Heart Race? NHS Safety Guidance

Does sildenafil make your heart race? Discover the cardiovascular effects of Viagra, when to seek medical help for heart symptoms, who should avoid sildenafil, and NHS safety guidance for this widely prescribed medication.

Does Sildenafil Cause Headaches? Causes and Management

Erectile Dysfunction

min read

Does Sildenafil Cause Headaches? Causes and Management

Does sildenafil cause headaches? Discover why this common side effect occurs, how frequently it happens, practical management strategies, and when to seek medical advice about sildenafil-related headaches.

Weight Loss

min read

The Best and Safest Weight Loss Pills: UK Guidance

Discover the best and safest weight loss pills available in the UK, including NHS-approved options like orlistat, semaglutide, and liraglutide. Learn how they work, who can use them, potential side effects, and why medical supervision is essential for safe, effective weight management.

How Fast Do You Feel Side Effects from Ozempic?

GLP-1 Brands

min read

How Fast Do You Feel Side Effects from Ozempic?

Discover how quickly Ozempic side effects appear, typically within the first week of treatment. Learn about common symptoms, their timeline, and when to contact your GP for advice on managing side effects safely.

How Long Does CoQ10 Take to Work? Evidence-Based Timeframes

Supplements

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How Long Does CoQ10 Take to Work? Evidence-Based Timeframes

How long does CoQ10 take to work? Discover evidence-based timeframes for CoQ10 supplementation, from blood level changes in 1–2 weeks to clinical effects requiring 4–12 weeks or longer. Learn what affects response times and realistic expectations.

Hair Loss

min read

Does Skyrizi Cause Hair Loss? UK Clinical Evidence Explained

Does Skyrizi cause hair loss? Learn what UK clinical trial data and MHRA guidance say about risankizumab and alopecia, plus when to seek advice from your specialist.

Mounjaro

min read

Does Mounjaro Cause Depression or Anxiety? Evidence and Guidance

Does Mounjaro cause depression or anxiety? Explore the clinical evidence, learn to recognise mental health symptoms, and discover what to do if mood changes occur whilst taking tirzepatide for diabetes or weight management.

5000 IU Vitamin D: UK Guidance on High-Dose Supplementation

Supplements

min read

5000 IU Vitamin D: UK Guidance on High-Dose Supplementation

Discover when 5000 IU vitamin D is recommended, how to take it safely under medical supervision, potential benefits for deficiency correction, side effects to watch for, and who should consider high-dose supplementation in the UK.

Medications for Allergies to Perfumes: Treatment and Management

Supplements

min read

Medications for Allergies to Perfumes: Treatment and Management

Discover medications for allergies to perfumes, including topical corticosteroids and antihistamines. Learn when to see a GP, how to manage symptoms effectively, and practical avoidance strategies for long-term relief from fragrance allergies in the UK.

Vitamin K2: Benefits, Food Sources, and Supplement Guidance

Supplements

min read

Vitamin K2: Benefits, Food Sources, and Supplement Guidance

Discover how vitamin K2 supports bone health and calcium metabolism. Learn about dietary sources, supplement forms, dosage guidance, and crucial safety information for anticoagulant users in this comprehensive UK medical guide.

How Do You Know If Retatrutide Is Working: Key Signs Explained

GLP-1 Brands

min read

How Do You Know If Retatrutide Is Working: Key Signs Explained

How do you know if retatrutide is working? Learn the key signs of response, what to monitor in the first weeks, clinical markers to track, and the current UK availability of this investigational weight-loss medicine.

Wegovy

min read

What Not to Eat on Wegovy: Foods to Avoid

Discover what not to eat on Wegovy to minimise side effects and optimise weight loss. Expert guidance on foods to avoid, managing nausea, and making Wegovy-friendly dietary choices for successful treatment outcomes.

Pepto-Bismol After Gastric Sleeve: Safety, Risks and Alternatives

Weight Loss

min read

Pepto-Bismol After Gastric Sleeve: Safety, Risks and Alternatives

Pepto-Bismol after gastric sleeve surgery — is it safe? Learn about bismuth subsalicylate risks, NHS guidance, drug interactions, and safer alternatives for post-bariatric digestive symptoms.

Gastric Sleeve 1 Month Post Op: Recovery, Diet & What to Expect

Weight Loss

min read

Gastric Sleeve 1 Month Post Op: Recovery, Diet & What to Expect

Gastric sleeve 1 month post op: what to eat, which supplements to take, when to exercise, and warning signs to watch for. UK-aligned guidance based on NHS, NICE, and BOMSS recommendations.

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 Prediabetes Cause Fatty Liver? The Metabolic Link Explained

Does Sildenafil Make Your Heart Race? NHS Safety Guidance

Does Sildenafil Cause Headaches? Causes and Management

The Best and Safest Weight Loss Pills: UK Guidance

How Fast Do You Feel Side Effects from Ozempic?

How Long Does CoQ10 Take to Work? Evidence-Based Timeframes

Does Skyrizi Cause Hair Loss? UK Clinical Evidence Explained

Does Mounjaro Cause Depression or Anxiety? Evidence and Guidance

5000 IU Vitamin D: UK Guidance on High-Dose Supplementation

Medications for Allergies to Perfumes: Treatment and Management

Vitamin K2: Benefits, Food Sources, and Supplement Guidance

How Do You Know If Retatrutide Is Working: Key Signs Explained

What Not to Eat on Wegovy: Foods to Avoid

Pepto-Bismol After Gastric Sleeve: Safety, Risks and Alternatives

Gastric Sleeve 1 Month Post Op: Recovery, Diet & What to Expect

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