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.

Read testosterone guides

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.

Vitamin D in Salmon Fish: Content, Benefits and Daily Needs

Supplements

min read

Vitamin D in Salmon Fish: Content, Benefits and Daily Needs

Discover how much vitamin D is in salmon fish and why it's one of the best dietary sources. Learn about wild vs farmed salmon, daily requirements, health benefits, and practical ways to incorporate this nutrient-rich fish into your diet for optimal vitamin D status.

What Does CoQ10 Do for Your Body? Benefits and Uses

Supplements

min read

What Does CoQ10 Do for Your Body? Benefits and Uses

Discover what CoQ10 does for your body, from supporting heart health to cellular energy production. Learn about benefits, dosage, safety considerations, and who may benefit from this essential compound in UK clinical practice.

Does GLP-1 Help with Cholesterol? Evidence and Clinical Guidance

Weight Loss

min read

Does GLP-1 Help with Cholesterol? Evidence and Clinical Guidance

Does GLP-1 help with cholesterol? Discover how GLP-1 receptor agonists affect lipid profiles, who may benefit from modest cholesterol improvements, and how these medications compare with statins and other lipid-lowering treatments in UK clinical practice.

Retatrutide Dosage: How Many Units and What to Know

GLP-1 Brands

min read

Retatrutide Dosage: How Many Units and What to Know

How many units of retatrutide are used? Learn why doses are measured in mg not units, what Phase 2 trial dosing schedules show, and key UK safety guidance for this investigational triple receptor agonist.

Weight Loss

min read

Cayenne Pepper Pills for Weight Loss: UK Evidence, Safety and Guidance

Cayenne pepper pills for weight loss: do they really work? Explore the UK evidence, safety considerations, who should avoid them, and how to choose a quality supplement wisely.

How Much Magnesium in a Banana: Daily Intake Guide

Supplements

min read

How Much Magnesium in a Banana: Daily Intake Guide

Discover how much magnesium is in a banana and whether it meets your daily needs. Learn how bananas compare to other magnesium-rich foods and when supplementation may be necessary for optimal health.

Supplements

min read

Common Household Medicines: A UK Guide

Find out which OTC pain relievers, antihistamines and cough syrups belong in your medicine cabinet. Includes safe dosage tips and when to seek NHS advice.

Where to Get Retatrutide Peptide: UK Safety and Legal Guide

GLP-1 Brands

min read

Where to Get Retatrutide Peptide: UK Safety and Legal Guide

Where to get retatrutide peptide in the UK — find out why it's not yet approved, the risks of buying online, MHRA guidance, and which evidence-based alternatives are legally available now.

Weight Loss Peptides Retatrutide: Mechanism, Evidence, and UK Availability

GLP-1 Brands

min read

Weight Loss Peptides Retatrutide: Mechanism, Evidence, and UK Availability

Weight loss peptides retatrutide explained: how this investigational triple agonist works, what Phase 2 trial data shows, UK regulatory status, side effects, and who may be suitable for peptide-based obesity treatment.

Can Fatty Liver Cause Numbness? Understanding the Connection

Weight Loss

min read

Can Fatty Liver Cause Numbness? Understanding the Connection

Can fatty liver cause numbness? Discover the indirect links between fatty liver disease and nerve symptoms, including diabetes, nutritional deficiencies, and when to seek medical advice for persistent numbness.

Does GLP-1 Affect Your Period? Menstrual Changes Explained

Weight Loss

min read

Does GLP-1 Affect Your Period? Menstrual Changes Explained

Does GLP-1 affect your period? Discover how semaglutide and liraglutide may indirectly influence menstrual cycles through weight loss, when to seek medical advice, and practical management strategies for women taking these medications.

Testogel Side Effects & Cancer Risk: What Evidence Shows

Testosterone

min read

Testogel Side Effects & Cancer Risk: What Evidence Shows

Concerned about Testogel and cancer risk? Explore what current medical evidence says about testosterone therapy, prostate cancer, and key safety guidance.

How to Avoid Headaches During Intermittent Fasting: UK Guide

Weight Loss

min read

How to Avoid Headaches During Intermittent Fasting: UK Guide

How to avoid headaches during intermittent fasting — expert UK guidance on causes, prevention strategies, hydration, electrolytes, and when to seek medical advice.

Grass Fed Whey Isolate: Benefits & Safety Guide

Supplements

min read

Grass Fed Whey Isolate: Benefits & Safety Guide

Learn what makes grass fed whey isolate protein powder different, its nutritional benefits, protein purity, and how to choose a quality product in the UK.

HbA1c in Sickle Cell Disease: Why It Fails and What to Use Instead

Weight Loss

min read

HbA1c in Sickle Cell Disease: Why It Fails and What to Use Instead

HbA1c in sickle cell disease is unreliable and can miss diabetes entirely. Learn why it fails, which alternative tests NICE recommends, and how to manage diabetes safely alongside SCD.

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

Vitamin D in Salmon Fish: Content, Benefits and Daily Needs

What Does CoQ10 Do for Your Body? Benefits and Uses

Does GLP-1 Help with Cholesterol? Evidence and Clinical Guidance

Retatrutide Dosage: How Many Units and What to Know

Cayenne Pepper Pills for Weight Loss: UK Evidence, Safety and Guidance

How Much Magnesium in a Banana: Daily Intake Guide

Common Household Medicines: A UK Guide

Where to Get Retatrutide Peptide: UK Safety and Legal Guide

Weight Loss Peptides Retatrutide: Mechanism, Evidence, and UK Availability

Can Fatty Liver Cause Numbness? Understanding the Connection

Does GLP-1 Affect Your Period? Menstrual Changes Explained

Testogel Side Effects & Cancer Risk: What Evidence Shows

How to Avoid Headaches During Intermittent Fasting: UK Guide

Grass Fed Whey Isolate: Benefits & Safety Guide

HbA1c in Sickle Cell Disease: Why It Fails and What to Use Instead

Personalized weight management for women