Bolt Guides

Expert insights on weight loss and more.

Featured

Mounjaro

min read

Requirements to Get Mounjaro: UK Eligibility and Access Guide

Discover the requirements to get Mounjaro in the UK, including NHS eligibility criteria, private prescription pathways, essential medical assessments, and how to access this type 2 diabetes treatment safely.

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Weight loss

Read all on weight loss

Why Is My HbA1c Going Up? Causes, Medicines, and Next Steps

Weight Loss

min read

Why Is My HbA1c Going Up? Causes, Medicines, and Next Steps

Why is my HbA1c going up? Discover the common causes of a rising HbA1c — from diet and lifestyle to medicines and medical conditions — plus NHS-aligned advice on when to see your GP and how to lower it safely.

Does a Faster Metabolism Make You Poop More? Evidence and Facts

Weight Loss

min read

Does a Faster Metabolism Make You Poop More? Evidence and Facts

Does a faster metabolism make you poop more? Discover the evidence-based relationship between metabolic rate and bowel frequency, what truly affects how often you defecate, and when to seek medical advice for changes in bowel habits.

Cinnamon and Type 2 Diabetes: Evidence, Safety and NHS Guidance

Weight Loss

min read

Cinnamon and Type 2 Diabetes: Evidence, Safety and NHS Guidance

Discover the evidence on cinnamon and type 2 diabetes, including how it may affect blood sugar, clinical trial findings, safety considerations with diabetes medications, and NHS guidance on complementary approaches to diabetes management.

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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.

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GLP-1 Brands

min read

Retatrutide Availability and Current Status: UK Regulatory Guide

Retatrutide availability and current status explained: find out where this investigational triple agonist stands in UK and global regulatory approval, clinical trials, and when it might reach NHS patients.

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Retatrutide Availability and Current Status: UK Regulatory Guide

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

GLP-1 Brands

min read

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

1 month retatrutide results explained: what Phase 2 trial data shows about early weight loss, common side effects, realistic expectations, and UK regulatory status in 2025.

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

GLP-1 Brands

min read

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

How much bacteriostatic water to mix with retatrutide — understand reconstitution principles, UK regulatory status, safety risks, and when to seek medical advice before use.

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.

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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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Erectile Dysfunction

min read

Does Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

Does ibuprofen affect erectile dysfunction? Explore the evidence on NSAIDs and ED, understand established causes of erectile problems, learn which medications can impact sexual function, and discover when to seek medical advice from your GP.

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What Will 3 Days Without Testogel Do to Me?

Testosterone

min read

What Will 3 Days Without Testogel Do to Me?

What will 3 days without Testogel do to me? Discover how missing doses affects testosterone levels, what symptoms to expect within 72 hours, when to contact your GP, and how to safely resume treatment for hypogonadism.

Testosterone

min read

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can testosterone treatments cause swollen feet? Discover how TRT affects fluid retention, when to seek medical advice, management strategies, and alternative causes of peripheral oedema during testosterone therapy.

Testosterone

min read

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

Can you take testosterone after prostate cancer treatment? Discover current UK guidance, eligibility criteria, risks and benefits, and essential monitoring requirements for testosterone replacement therapy following prostate cancer.

Berberine for Gut Health: Evidence, Dosage and Safety

Supplements

min read

Berberine for Gut Health: Evidence, Dosage and Safety

Discover how berberine for gut health works, its potential benefits for the microbiome, evidence-based dosage guidance, safety considerations, drug interactions, and when to seek medical advice for digestive symptoms in the UK.

Wegovy

min read

Does Wegovy Work Immediately? Timeline and Expectations

Does Wegovy work immediately for weight loss? Discover the realistic timeline for semaglutide's effects, what to expect in the first weeks, and how quickly you'll see results with this GLP-1 medication.

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.

Does Ozempic Contain Venom? Facts About Semaglutide Composition

GLP-1 Brands

min read

Does Ozempic Contain Venom? Facts About Semaglutide Composition

Does Ozempic contain venom? Discover the scientific truth behind this claim. Learn how semaglutide differs from Gila monster peptides, its UK regulatory approval, safety profile, and why this diabetes medication is a fully synthetic pharmaceutical product based on human hormones.

Calorie Deficit, Maintenance and Surplus: Your Complete Guide

Weight Loss

min read

Calorie Deficit, Maintenance and Surplus: Your Complete Guide

Calorie deficit, maintenance, and surplus explained — learn how to calculate your daily calorie needs, understand the health effects of each state, and follow NHS-aligned guidance for safe, sustainable energy balance.

Hair Loss

min read

Wellbutrin and Hair Loss: UK Evidence, Risks, and What to Do

Wellbutrin and hair loss explained: find out whether bupropion (Zyban) can cause alopecia, how common it is, what the UK evidence says, and what to do if you notice hair shedding during treatment.

Supplements

min read

Supplements for Heart Health: Evidence-Based Guide for UK Patients

Discover which supplements for heart health have robust clinical evidence, including omega-3 fatty acids, plant sterols, and magnesium. Learn about safety considerations, medication interactions, and when to consult your GP for cardiovascular wellness.

Does Ozempic Slow Down Digestion? UK Clinical Guide

GLP-1 Brands

min read

Does Ozempic Slow Down Digestion? UK Clinical Guide

Does Ozempic slow down digestion? Discover how semaglutide deliberately delays gastric emptying to control blood glucose, the digestive side effects to expect, and evidence-based management strategies for UK patients.

Mounjaro

min read

Are Grapes Good on Mounjaro? UK Dietary Guidance

Are grapes good on Mounjaro? Discover how to safely include grapes in your diet whilst taking tirzepatide for diabetes or weight management, with practical portion guidance and blood glucose considerations.

Mounjaro

min read

Does Mounjaro Cause Anaemia? UK Evidence and Guidance

Does Mounjaro cause anaemia? Discover what UK evidence shows about tirzepatide and anaemia risk, why concerns arise with weight loss medications, and when to seek medical advice for symptoms.

What Is Metabolisable Energy? A Clear Guide

Weight Loss

min read

What Is Metabolisable Energy? A Clear Guide

Learn what metabolisable energy means, how your body extracts energy from food, and why ME matters for nutrition and weight management.

FPG Full Form, HbA1c & Diabetes: NHS Targets

Weight Loss

min read

FPG Full Form, HbA1c & Diabetes: NHS Targets

What does FPG mean in diabetes? Understand fasting plasma glucose, HbA1c targets, NHS diagnostic thresholds, and when clinicians use both tests together.

Diabetes HbA1c and Vitamins: What You Need to Know

Weight Loss

min read

Diabetes HbA1c and Vitamins: What You Need to Know

Diabetes HbA1c and vitamin levels are closely linked — find out how deficiencies in B12, D, and folate can affect your HbA1c results, what NHS guidance recommends, and when to speak to your GP.

Hair Loss

min read

Clumps of Hair Loss in Cats: Causes, Diagnosis and Treatment

Clumps of hair loss in cats can be caused by fleas, ringworm, allergies, or stress. Learn when to see a vet, how feline alopecia is diagnosed in the UK, and the best treatment options available.

How Long Does a B12 Injection Last? UK Treatment Guide

Supplements

min read

How Long Does a B12 Injection Last? UK Treatment Guide

How long does a B12 injection last? Discover the duration of hydroxocobalamin injections, recommended treatment schedules for pernicious anaemia, factors affecting B12 levels, and signs your levels may be dropping. UK guidance from NICE and BNF explained.

Bolt Guides

Featured

Requirements to Get Mounjaro: UK Eligibility and Access Guide

Weight loss

Why Is My HbA1c Going Up? Causes, Medicines, and Next Steps

Does a Faster Metabolism Make You Poop More? Evidence and Facts

Cinnamon and Type 2 Diabetes: Evidence, Safety and NHS Guidance

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Availability and Current Status: UK Regulatory Guide

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

How Fast Do You Feel Side Effects from Ozempic?

Men’s Health

Testosterone

Erectile dysfunction

Does Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

What Will 3 Days Without Testogel Do to Me?

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

Browse all

Berberine for Gut Health: Evidence, Dosage and Safety

Does Wegovy Work Immediately? Timeline and Expectations

Glucose Testing After Gastric Sleeve: NHS Guide to Monitoring

Does Ozempic Contain Venom? Facts About Semaglutide Composition

Calorie Deficit, Maintenance and Surplus: Your Complete Guide

Wellbutrin and Hair Loss: UK Evidence, Risks, and What to Do

Supplements for Heart Health: Evidence-Based Guide for UK Patients

Does Ozempic Slow Down Digestion? UK Clinical Guide

Are Grapes Good on Mounjaro? UK Dietary Guidance

Does Mounjaro Cause Anaemia? UK Evidence and Guidance

What Is Metabolisable Energy? A Clear Guide

FPG Full Form, HbA1c & Diabetes: NHS Targets

Diabetes HbA1c and Vitamins: What You Need to Know

Clumps of Hair Loss in Cats: Causes, Diagnosis and Treatment

How Long Does a B12 Injection Last? UK Treatment Guide

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