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.

People Going Blind From GLP-1: Risks, Evidence and Protection

Weight Loss

min read

People Going Blind From GLP-1: Risks, Evidence and Protection

Are people going blind from GLP-1 medications? Discover the evidence on GLP-1s and vision loss, who's at risk, warning signs to watch for, and how to protect your eyesight whilst taking these diabetes and weight-loss treatments.

Ozempic Legs: Causes, Prevention and What to Expect

GLP-1 Brands

min read

Ozempic Legs: Causes, Prevention and What to Expect

Ozempic legs explained: what causes changes to leg appearance during semaglutide treatment, how to tell them apart from side effects, and evidence-based tips to protect muscle and skin. UK-focused guidance.

Is Testogel Good for Bodybuilding? Risks and Safe Alternatives

Testosterone

min read

Is Testogel Good for Bodybuilding? Risks and Safe Alternatives

Is Testogel good for bodybuilding? Discover why this prescription testosterone therapy is unsafe and illegal for muscle building, the serious health risks of misuse, and evidence-based alternatives for natural muscle growth.

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Erectile Dysfunction

min read

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

Does tadalafil raise PSA levels? Discover what clinical evidence reveals about tadalafil's effect on prostate-specific antigen testing and why this matters for men monitoring prostate health whilst taking this medication.

Hair Loss

min read

PRP Treatment for Hair Loss: Evidence, Safety and UK Guidance

PRP treatment for hair loss: find out how platelet-rich plasma works, who is suitable, what the evidence shows, risks to consider, and how to access safe, qualified treatment in the UK.

Are Peppers Good for Fatty Liver? Evidence and Benefits

Weight Loss

min read

Are Peppers Good for Fatty Liver? Evidence and Benefits

Are peppers good for fatty liver? Discover how bell peppers and chilli peppers support liver health through antioxidants, vitamin C, and anti-inflammatory compounds. Learn practical ways to include peppers in a liver-friendly diet for NAFLD management.

GLP-1 Meaning: What This Hormone Does in Your Body

Weight Loss

min read

GLP-1 Meaning: What This Hormone Does in Your Body

Wondering what GLP-1 means? Learn how this natural hormone controls blood glucose, appetite, and metabolism — and why it matters for your health.

Topical Vitamin K Cream: Side Effects & Skin Uses

Supplements

min read

Topical Vitamin K Cream: Side Effects & Skin Uses

Learn about topical vitamin K cream side effects including irritation, redness and contact dermatitis, plus how it works and what the evidence says.

Does Tadalafil Cause Constipation? UK Evidence and Guidance

Erectile Dysfunction

min read

Does Tadalafil Cause Constipation? UK Evidence and Guidance

Does tadalafil cause constipation? Discover the evidence on tadalafil side effects, digestive symptoms, and practical management strategies. Expert UK guidance on when to seek medical advice about PDE5 inhibitor use.

Best Probiotics for Ulcerative Colitis: Evidence-Based Guide

Supplements

min read

Best Probiotics for Ulcerative Colitis: Evidence-Based Guide

Discover the best probiotics for ulcerative colitis based on clinical evidence. Learn which strains may help manage UC symptoms, how they work, safety considerations, and what UK specialists recommend for complementary gut health support.

Does Ozempic Help with Menopause? UK Guidance and Alternatives

GLP-1 Brands

min read

Does Ozempic Help with Menopause? UK Guidance and Alternatives

Does Ozempic help with menopause? Discover what UK guidance says about using Ozempic during menopause, its licensed indications, potential effects on weight, safety considerations, and evidence-based alternatives for managing menopausal symptoms effectively.

Does Zinc Increase Semen Volume? Evidence and Guidelines

Supplements

min read

Does Zinc Increase Semen Volume? Evidence and Guidelines

Does zinc increase semen volume? Discover what the scientific evidence actually shows about zinc supplementation, semen volume, and male fertility. Learn about recommended intake, potential side effects, and when to seek medical advice for reproductive health concerns.

Best Birth Control for Gastric Sleeve Patients: UK Guide

Weight Loss

min read

Best Birth Control for Gastric Sleeve Patients: UK Guide

Best birth control for gastric sleeve patients explained with UK clinical guidance. Discover which contraceptive methods are safe, effective, and recommended by the FSRH, NICE, and UKMEC after bariatric surgery.

Does Tadalafil Keep You Awake? Sleep Effects Explained

Erectile Dysfunction

min read

Does Tadalafil Keep You Awake? Sleep Effects Explained

Does tadalafil keep you awake? Discover how this ED medication affects sleep, common side effects that may disrupt rest, and practical timing strategies to improve sleep quality whilst using tadalafil.

Mounjaro

min read

Mounjaro and Period Spotting: Causes, Advice and Management

Experiencing Mounjaro and period spotting? Discover why menstrual changes may occur with tirzepatide, when to seek medical advice, and how to manage symptoms safely whilst on treatment.

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

People Going Blind From GLP-1: Risks, Evidence and Protection

Ozempic Legs: Causes, Prevention and What to Expect

Is Testogel Good for Bodybuilding? Risks and Safe Alternatives

Does Tadalafil Raise PSA Levels? Clinical Evidence Explained

PRP Treatment for Hair Loss: Evidence, Safety and UK Guidance

Are Peppers Good for Fatty Liver? Evidence and Benefits

GLP-1 Meaning: What This Hormone Does in Your Body

Topical Vitamin K Cream: Side Effects & Skin Uses

Does Tadalafil Cause Constipation? UK Evidence and Guidance

Best Probiotics for Ulcerative Colitis: Evidence-Based Guide

Does Ozempic Help with Menopause? UK Guidance and Alternatives

Does Zinc Increase Semen Volume? Evidence and Guidelines

Best Birth Control for Gastric Sleeve Patients: UK Guide

Does Tadalafil Keep You Awake? Sleep Effects Explained

Mounjaro and Period Spotting: Causes, Advice and Management

Personalized weight management for women