Bolt Guides

Expert insights on weight loss and more.

Featured

Hair Loss

min read

A Hair Loss Treatment Guide: UK Options, Safety, and NHS Advice

A hair loss treatment that works starts with the right diagnosis. Explore UK-licensed options including minoxidil, finasteride, and baricitinib — with NHS guidance, safety advice, and when to see your GP.

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Weight loss

Read all on weight loss

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Weight Loss

min read

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Safe HbA1c levels for surgery explained: UK thresholds, NICE and CPOC guidance, how to lower HbA1c before an operation, and perioperative blood glucose management for people with diabetes.

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Weight Loss

min read

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Discover a liver-friendly chilli recipe for fatty liver disease management. Learn evidence-based ingredient modifications, nutritional principles, and when to seek medical advice for NAFLD in the UK.

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

Weight Loss

min read

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

Are spicy foods good for fatty liver? Discover what the evidence says about capsaicin, chilli peppers, and liver health. Learn safe ways to include spicy foods in a liver-friendly diet and when to seek medical advice for fatty liver disease.

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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

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Discover the different strengths of Trulicity (0.75 mg to 4.5 mg) for type 2 diabetes management. Learn how doctors choose the right dose, when adjustments occur, and how efficacy and side effects compare across strengths in UK practice.

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Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Saxenda and Bloating: Causes, Frequency & Relief

GLP-1 Brands

min read

Saxenda and Bloating: Causes, Frequency & Relief

Saxenda commonly causes bloating due to slowed gastric emptying. Learn how often it occurs, why it happens, and how to manage it with NHS-aligned advice.

Can Rybelsus Cause Depression? Evidence and Guidance

GLP-1 Brands

min read

Can Rybelsus Cause Depression? Evidence and Guidance

Can Rybelsus cause depression? Explore the evidence linking semaglutide to mood changes, recognise warning signs, and learn what to do if you experience low mood whilst taking this type 2 diabetes medication.

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

GLP-1 Brands

min read

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

Can Trulicity be put back in the fridge? Discover UK storage guidelines for dulaglutide, including refrigeration rules, temperature limits, and when to discard your pen 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.

Read erectile dysfunction guides

Erectile Dysfunction

min read

Does Sublocade Cause Erectile Dysfunction? UK Medical Guide

Does Sublocade cause erectile dysfunction? Discover how prolonged-release buprenorphine may affect sexual function, the underlying mechanisms, practical management strategies, and when to speak to your doctor about erectile dysfunction during opioid dependence treatment.

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Testosterone

min read

Can Testosterone Treatment Increase Penis Size? Evidence and Guidance

Can testosterone treatment increase penis size in adults? Discover the evidence on testosterone's role in penile development, when treatment is appropriate, and what really works for size concerns. Expert UK medical guidance.

Testosterone

min read

How to Treat Rash From Testosterone Treatment: Expert Guide

Discover how to treat rash from testosterone treatment with expert guidance on identifying skin reactions, immediate management steps, medical treatments, and prevention strategies to continue TRT safely and comfortably.

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.

Does Rybelsus Make Your Urine Smell? Causes and Advice

GLP-1 Brands

min read

Does Rybelsus Make Your Urine Smell? Causes and Advice

Does Rybelsus make your urine smell? Discover the potential causes of urine odour changes with semaglutide, when to seek medical advice, and how to manage side effects effectively whilst taking this type 2 diabetes medication.

NAD Benefits for Women: Evidence and Safety Guide

Supplements

min read

NAD Benefits for Women: Evidence and Safety Guide

Discover what the evidence really shows about NAD benefits for women. Learn about NAD+ supplementation, safety considerations, regulatory status in the UK, and when to seek medical advice for energy, metabolic health, and wellbeing.

Is Fish Healthy for You? NHS Guidance and Benefits

Supplements

min read

Is Fish Healthy for You? NHS Guidance and Benefits

Is fish healthy for you? Discover the proven health benefits of eating fish, NHS recommendations on portions and frequency, which types are healthiest, and important safety considerations for different population groups including pregnancy.

What Allergy Medication Is Safe for Diabetics: A Complete Guide

Supplements

min read

What Allergy Medication Is Safe for Diabetics: A Complete Guide

Discover which allergy medications are safe for diabetics. Learn about antihistamines that won't affect blood glucose, treatments to avoid, and how to choose the right allergy relief whilst managing diabetes effectively.

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Weight Loss

min read

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Does fatty liver make your poo stink? Discover the truth about fatty liver disease and stool odour, when digestive symptoms warrant medical attention, and evidence-based management strategies for liver and gut health in the UK.

Topical Vitamin D: UK Guide to Psoriasis Treatment

Supplements

min read

Topical Vitamin D: UK Guide to Psoriasis Treatment

Discover how topical vitamin D treats plaque psoriasis in the UK. Learn about calcipotriol, safe application techniques, NICE guidance, side effects, and when to seek specialist referral for skin conditions.

Hair Loss

min read

Gynaecomastia and Hair Loss: Causes, Links, and UK Treatment Options

Gynaecomastia and hair loss occurring together may signal a hormonal imbalance. Learn about causes, medications, NHS diagnosis pathways, and UK treatment options in this clinically reviewed guide.

Can You Take Vitamin D While Pregnant? UK Guidance

Supplements

min read

Can You Take Vitamin D While Pregnant? UK Guidance

Can you take vitamin D while pregnant? Yes—UK guidance recommends all pregnant women take 10 micrograms daily. Discover why vitamin D is essential during pregnancy, recommended dosages, safety information, and how to maintain adequate levels for you and your baby's health.

Reaction of HCl with Zinc: Chemistry, Safety and Medical Relevance

Supplements

min read

Reaction of HCl with Zinc: Chemistry, Safety and Medical Relevance

Discover what happens when zinc reacts with hydrochloric acid (HCl). Learn about the chemical equation, hydrogen gas production, safety precautions, and the medical relevance of zinc and gastric acid in human health.

Slider Foods After Gastric Sleeve: What They Are and How to Avoid Them

Weight Loss

min read

Slider Foods After Gastric Sleeve: What They Are and How to Avoid Them

Slider foods after gastric sleeve surgery can sabotage your weight loss without you realising. Learn what they are, common examples, and NHS-aligned tips to make better food choices post-surgery.

Trade Name for Vitamin K: UK Formulations and Clinical Use

Supplements

min read

Trade Name for Vitamin K: UK Formulations and Clinical Use

Discover the trade name for vitamin K used in the UK, including Konakion MM formulations for neonatal prophylaxis and warfarin reversal. Learn about safe administration, clinical indications, and important prescribing considerations for healthcare professionals and patients.

Can CoQ10 Cause Diarrhoea? Side Effects Explained

Supplements

min read

Can CoQ10 Cause Diarrhoea? Side Effects Explained

Can CoQ10 cause diarrhoea? Discover why this supplement may trigger digestive upset in some people, how common it is, and practical strategies to reduce side effects whilst taking CoQ10 safely.

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.

Wegovy

min read

Best Place to Give Wegovy Shot: UK Injection Site Guide

Discover the best place to give Wegovy shot with expert guidance on approved injection sites, proper technique, site rotation, and managing common reactions. UK clinical advice for safe, effective administration.

Can Gynaecomastia Go Away? Causes, Treatment and UK Advice

Weight Loss

min read

Can Gynaecomastia Go Away? Causes, Treatment and UK Advice

Can gynaecomastia go away on its own? Learn when it resolves naturally, what causes it, UK treatment options including surgery, and when to see your GP.

Bolt Guides

Featured

A Hair Loss Treatment Guide: UK Options, Safety, and NHS Advice

Weight loss

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Liver-Friendly Chilli Recipe for Fatty Liver Disease Management

Are Spicy Foods Good for Fatty Liver? Evidence and Safety

GLP-1 Brands

Wegovy

Mounjaro

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Saxenda and Bloating: Causes, Frequency & Relief

Can Rybelsus Cause Depression? Evidence and Guidance

Can Trulicity Be Put Back in the Fridge? UK Storage Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Sublocade Cause Erectile Dysfunction? UK Medical Guide

Can Testosterone Treatment Increase Penis Size? Evidence and Guidance

How to Treat Rash From Testosterone Treatment: Expert Guide

What Will 3 Days Without Testogel Do to Me?

Browse all

Does Rybelsus Make Your Urine Smell? Causes and Advice

NAD Benefits for Women: Evidence and Safety Guide

Is Fish Healthy for You? NHS Guidance and Benefits

What Allergy Medication Is Safe for Diabetics: A Complete Guide

Does Fatty Liver Make Your Poo Stink? UK Medical Guide

Topical Vitamin D: UK Guide to Psoriasis Treatment

Gynaecomastia and Hair Loss: Causes, Links, and UK Treatment Options

Can You Take Vitamin D While Pregnant? UK Guidance

Reaction of HCl with Zinc: Chemistry, Safety and Medical Relevance

Slider Foods After Gastric Sleeve: What They Are and How to Avoid Them

Trade Name for Vitamin K: UK Formulations and Clinical Use

Can CoQ10 Cause Diarrhoea? Side Effects Explained

How Long Does a B12 Injection Last? UK Treatment Guide

Best Place to Give Wegovy Shot: UK Injection Site Guide

Can Gynaecomastia Go Away? Causes, Treatment and UK Advice

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