Bolt Guides

Expert insights on weight loss and more.

Featured

Weight Loss

min read

New Weight Loss Prescriptions in the UK: Your Complete Guide

New weight loss prescriptions including semaglutide and tirzepatide are now available in the UK. Learn who qualifies, how they work, NICE eligibility criteria, side effects, and how to access treatment safely via the NHS or private providers.

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Weight loss

Read all on weight loss

Weight Loss

min read

New Weight Loss Prescriptions in the UK: Your Complete Guide

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Weight Loss

min read

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Can you eat oatmeal while intermittent fasting? Find out when oatmeal breaks a fast, why it's an ideal choice for your eating window, and who should seek GP advice first.

Intermittent Fasting and Cell Repair: Evidence, Safety, and UK Guidance

Weight Loss

min read

Intermittent Fasting and Cell Repair: Evidence, Safety, and UK Guidance

Intermittent fasting and cell repair: discover how fasting triggers autophagy and cellular maintenance pathways, what UK guidance says, who should exercise caution, and practical safety advice from NHS and NICE.

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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

Trulicity Doses Per Pen: UK Dosing Guide

Learn about Trulicity pen strengths, how to administer your weekly dose, storage tips, and what to do if you miss a dose.

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Trulicity Doses Per Pen: UK Dosing Guide

GLP-1 Brands

min read

Paracetamol with Trulicity: Is It Safe?

Find out if paracetamol is safe to take with Trulicity (dulaglutide), including dosage guidance, key considerations, and when to seek medical advice.

Best Time to Take Victoza: Morning or Evening?

GLP-1 Brands

min read

Best Time to Take Victoza: Morning or Evening?

Morning or evening — does it matter when you take Victoza? Learn the recommended liraglutide dosing schedule and how to get the most from your injections.

Does Ozempic Cause Muscle Loss? Evidence & Tips

GLP-1 Brands

min read

Does Ozempic Cause Muscle Loss? Evidence & Tips

Worried Ozempic is eating your muscle? See what the evidence says about semaglutide and body composition, plus practical steps to protect lean muscle mass.

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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.

Read erectile dysfunction guides

Erectile Dysfunction

min read

Is Spinach Good for Erectile Dysfunction? UK Evidence Review

Is spinach good for erectile dysfunction? Discover what the evidence says about spinach, dietary nitrates, and erectile health—plus when to seek medical advice for ED in the UK.

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Testosterone

min read

Low Testosterone and Man Boobs: Causes, Diagnosis, and NHS Treatment

Low testosterone causing man boobs? Learn how hormonal imbalance leads to gynaecomastia, what causes it, when to see a GP, and what NHS diagnosis and treatment options are available.

Does Testogel Work for Men? What the Evidence Shows

Testosterone

min read

Does Testogel Work for Men? What the Evidence Shows

Find out how Testogel works for men with low testosterone, what clinical evidence shows, realistic results timelines, and key safety considerations.

Testosterone

min read

How to Increase Testosterone Levels Naturally: 7 Tips

Boost testosterone naturally with 7 evidence-based lifestyle changes covering sleep, nutrition, exercise and stress. Plus when to seek NHS advice.

How Many Cans of Tuna Per Week: NHS Guidelines

Supplements

min read

How Many Cans of Tuna Per Week: NHS Guidelines

Discover how many cans of tuna per week are safe to eat according to NHS guidance. Learn about mercury levels, pregnancy restrictions, and the difference between tinned and fresh tuna consumption limits for optimal health.

How Does Ozempic Work? Mechanism of Action

GLP-1 Brands

min read

How Does Ozempic Work? Mechanism of Action

Discover how Ozempic (semaglutide) works — GLP-1 activation, blood sugar control & appetite regulation explained with UK clinical guidance.

Can You Gain Weight on Trulicity? UK Guide

GLP-1 Brands

min read

Can You Gain Weight on Trulicity? UK Guide

Can you gain weight on Trulicity? Discover why most people lose weight on this diabetes medication, what causes unexpected weight gain in some patients, and when to speak to your GP about weight changes whilst taking dulaglutide.

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.

Omega-3 and Brain Health: Benefits & UK Guidance

Supplements

min read

Omega-3 and Brain Health: Benefits & UK Guidance

Discover how omega-3 fatty acids boost brain health, memory and mood. Includes DHA and EPA evidence, NHS advice and practical intake tips.

HbA1c vs A1c: Are They the Same Test? UK Guide

Weight Loss

min read

HbA1c vs A1c: Are They the Same Test? UK Guide

Is A1c the same as HbA1c? Yes — find out how this key diabetes blood test works, what your UK results mean in mmol/mol, target ranges, and when to see your GP.

Does Tadalafil Lower Heart Rate? Cardiovascular Effects Explained

Erectile Dysfunction

min read

Does Tadalafil Lower Heart Rate? Cardiovascular Effects Explained

Does tadalafil lower heart rate? Discover how this PDE5 inhibitor affects your cardiovascular system, when to seek medical advice, and essential safety guidance for patients with heart conditions taking tadalafil.

Weight Loss

min read

Best Lipotropic Pills for Weight Loss: Evidence and Alternatives

Discover the truth about the best lipotropic pills for weight loss. Learn what the evidence says about these supplements, their ingredients, potential risks, and proven NHS-recommended alternatives for safe, sustainable weight management.

Hair Loss

min read

SLE and Hair Loss: Causes, Types, and NHS Treatment Options

SLE and hair loss explained: discover why lupus causes alopecia, the different types, NHS treatment options including hydroxychloroquine and biologics, and when to seek specialist advice.

Calorie Deficit for Endomorph Body Types: UK Evidence-Based Guide

Weight Loss

min read

Calorie Deficit for Endomorph Body Types: UK Evidence-Based Guide

Calorie deficit for endomorph body types explained using UK clinical guidance. Learn safe deficit ranges, macronutrient tips, exercise strategies, and when to see your GP or dietitian.

Cost

min read

MediHealth Direct Wegovy Cost: Pricing and Access Guide

Discover MediHealth Direct Wegovy costs (£199–£299/month), eligibility criteria, and how to access semaglutide 2.4 mg for weight management. Compare NHS vs private pricing and learn about the clinical pathway, safety considerations, and ongoing monitoring requirements for this GLP-1 treatment.

Ozempic and Memory Loss: Evidence and Guidance

GLP-1 Brands

min read

Ozempic and Memory Loss: Evidence and Guidance

Concerned about Ozempic and memory loss? Discover what the evidence says about semaglutide's cognitive effects, potential causes of memory concerns, and when to speak to your GP about symptoms whilst taking this diabetes medication.

Allergy Medications That Make You Sleepy: UK Guide to Safer Options

Supplements

min read

Allergy Medications That Make You Sleepy: UK Guide to Safer Options

Allergy medications that make you sleepy explained — find out which UK antihistamines cause drowsiness, why they do it, and which non-drowsy alternatives are recommended by the NHS and NICE.

Eggs and B12 Vitamin: Daily Requirements and Absorption

Supplements

min read

Eggs and B12 Vitamin: Daily Requirements and Absorption

Discover how eggs and B12 vitamin work together to support your health. Learn about B12 content in eggs, daily requirements, absorption factors, and who benefits most from this accessible dietary source of this essential nutrient.

Energy and Metabolism: How Your Body's Fuel System Works

Weight Loss

min read

Energy and Metabolism: How Your Body's Fuel System Works

Understand energy and metabolism, from anabolic vs catabolic processes to metabolic disorders and ways to support a healthy metabolic rate.

Bolt Guides

Featured

New Weight Loss Prescriptions in the UK: Your Complete Guide

Weight loss

New Weight Loss Prescriptions in the UK: Your Complete Guide

Can You Eat Oatmeal While Intermittent Fasting? UK Guide

Intermittent Fasting and Cell Repair: Evidence, Safety, and UK Guidance

GLP-1 Brands

Wegovy

Mounjaro

Trulicity Doses Per Pen: UK Dosing Guide

Paracetamol with Trulicity: Is It Safe?

Best Time to Take Victoza: Morning or Evening?

Does Ozempic Cause Muscle Loss? Evidence & Tips

Men’s Health

Testosterone

Erectile dysfunction

Is Spinach Good for Erectile Dysfunction? UK Evidence Review

Low Testosterone and Man Boobs: Causes, Diagnosis, and NHS Treatment

Does Testogel Work for Men? What the Evidence Shows

How to Increase Testosterone Levels Naturally: 7 Tips

Browse all

How Many Cans of Tuna Per Week: NHS Guidelines

How Does Ozempic Work? Mechanism of Action

Can You Gain Weight on Trulicity? UK Guide

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

Omega-3 and Brain Health: Benefits & UK Guidance

HbA1c vs A1c: Are They the Same Test? UK Guide

Does Tadalafil Lower Heart Rate? Cardiovascular Effects Explained

Best Lipotropic Pills for Weight Loss: Evidence and Alternatives

SLE and Hair Loss: Causes, Types, and NHS Treatment Options

Calorie Deficit for Endomorph Body Types: UK Evidence-Based Guide

MediHealth Direct Wegovy Cost: Pricing and Access Guide

Ozempic and Memory Loss: Evidence and Guidance

Allergy Medications That Make You Sleepy: UK Guide to Safer Options

Eggs and B12 Vitamin: Daily Requirements and Absorption

Energy and Metabolism: How Your Body's Fuel System Works

Personalized weight management for women