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.

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Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

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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.

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Erectile dysfunction

Answer all your questions about erectile dysfunction.

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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.

Weight Loss

min read

2 Month Calorie Deficit: Safe Weight Loss Guide

Discover how a 2-month calorie deficit works, how much weight you can safely lose, and when to seek medical advice. Evidence-based guidance aligned with NHS and NICE recommendations for sustainable fat loss.

Best Allergy Medication: UK Guide to Treatments and Safe Access

Supplements

min read

Best Allergy Medication: UK Guide to Treatments and Safe Access

Find the best allergy medication for your symptoms with our UK guide. Compare antihistamines, nasal sprays, and eye drops, plus expert advice on safe access and when to see a GP.

Wegovy

min read

Wegovy and Prednisolone: Can You Take Them Together Safely?

Can you take Wegovy and prednisolone together? Discover how these medications interact, their opposing effects on weight and blood sugar, essential monitoring requirements, and when to seek medical advice for safe concurrent use.

Vitamin D and B12: Deficiency Signs, Sources and Treatment

Supplements

min read

Vitamin D and B12: Deficiency Signs, Sources and Treatment

Discover how vitamin D and B12 support your health, recognise deficiency symptoms, and learn evidence-based strategies to maintain optimal levels through diet, supplementation, and appropriate testing.

Does Sucralose Cause Fatty Liver? UK Evidence and NHS Guidance

Weight Loss

min read

Does Sucralose Cause Fatty Liver? UK Evidence and NHS Guidance

Does sucralose cause fatty liver disease? Explore the latest UK evidence on artificial sweeteners and liver health, including NHS guidance, safety limits, and what research really shows about sucralose and metabolic effects.

Caffeine After Gastric Sleeve: UK Safety Guide and Reintroduction Tips

Weight Loss

min read

Caffeine After Gastric Sleeve: UK Safety Guide and Reintroduction Tips

Caffeine after gastric sleeve surgery: find out when it's safe to reintroduce it, what UK bariatric guidelines recommend, and how to protect your recovery and nutrition.

Does Rybelsus Cause Vomiting? Causes & Management

GLP-1 Brands

min read

Does Rybelsus Cause Vomiting? Causes & Management

Rybelsus can cause vomiting due to delayed gastric emptying. Learn how common it is, why it happens, and how to manage it — with UK guidance for patients.

Breakfast for Calorie Deficit: Best Foods, Meals and Tips

Weight Loss

min read

Breakfast for Calorie Deficit: Best Foods, Meals and Tips

Breakfast for calorie deficit: discover the best foods, practical meal ideas, and calorie targets to support sustainable weight loss — with NHS-aligned guidance.

Too Much B12 Symptoms: Overdose Signs & Safe Dosage

Supplements

min read

Too Much B12 Symptoms: Overdose Signs & Safe Dosage

Learn the symptoms of too much B12, safe daily dosage limits, and when high levels cause concern. Expert guidance on B12 overdose risks.

Vitamin K for Bruising: Causes, Treatment and Dietary Sources

Supplements

min read

Vitamin K for Bruising: Causes, Treatment and Dietary Sources

Discover how vitamin K for bruising works, when deficiency causes easy bruising, dietary sources, supplementation guidance, and when to seek medical assessment for unexplained bruising in the UK.

Does Tadalafil Increase Energy? Facts About Tadalafil and Fatigue

Erectile Dysfunction

min read

Does Tadalafil Increase Energy? Facts About Tadalafil and Fatigue

Does tadalafil increase energy levels? Discover the facts about tadalafil's effects on energy, fatigue, and vitality. Learn what the evidence shows, why some feel more energetic, and when to speak to your GP about persistent tiredness.

Can Fatty Liver Cause Bile Duct Obstruction? UK Guide

Weight Loss

min read

Can Fatty Liver Cause Bile Duct Obstruction? UK Guide

Can fatty liver cause bile duct obstruction? Discover the complex relationship between hepatic steatosis and biliary complications, including symptoms, diagnosis, and treatment options available through the NHS.

Does Tadalafil Increase Muscle Growth? Evidence and Risks

Erectile Dysfunction

min read

Does Tadalafil Increase Muscle Growth? Evidence and Risks

Does tadalafil increase muscle growth? Discover what the clinical evidence reveals about tadalafil and muscle building, the risks of off-licence use, and safe, proven strategies for developing muscle mass backed by UK medical guidance.

Is Honey Good for Diabetics Type 2? NHS Guidance and Evidence

Weight Loss

min read

Is Honey Good for Diabetics Type 2? NHS Guidance and Evidence

Is honey good for diabetics type 2? Discover how honey affects blood sugar, safe amounts, NHS guidance, and whether natural sweeteners offer advantages over alternatives for type 2 diabetes management.

Ozempic and Erectile Dysfunction: Effects and Management

GLP-1 Brands

min read

Ozempic and Erectile Dysfunction: Effects and Management

Discover how Ozempic and erectile dysfunction are connected. Learn whether this diabetes medication can improve sexual function through better metabolic control, weight loss, and when to speak to your GP about treatment options.

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

2 Month Calorie Deficit: Safe Weight Loss Guide

Best Allergy Medication: UK Guide to Treatments and Safe Access

Wegovy and Prednisolone: Can You Take Them Together Safely?

Vitamin D and B12: Deficiency Signs, Sources and Treatment

Does Sucralose Cause Fatty Liver? UK Evidence and NHS Guidance

Caffeine After Gastric Sleeve: UK Safety Guide and Reintroduction Tips

Does Rybelsus Cause Vomiting? Causes & Management

Breakfast for Calorie Deficit: Best Foods, Meals and Tips

Too Much B12 Symptoms: Overdose Signs & Safe Dosage

Vitamin K for Bruising: Causes, Treatment and Dietary Sources

Does Tadalafil Increase Energy? Facts About Tadalafil and Fatigue

Can Fatty Liver Cause Bile Duct Obstruction? UK Guide

Does Tadalafil Increase Muscle Growth? Evidence and Risks

Is Honey Good for Diabetics Type 2? NHS Guidance and Evidence

Ozempic and Erectile Dysfunction: Effects and Management

Personalized weight management for women