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.

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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.

Whey Protein Powder in Coffee: Safety, Benefits and Preparation Guide

Supplements

min read

Whey Protein Powder in Coffee: Safety, Benefits and Preparation Guide

Discover how to safely add whey protein powder in coffee, including benefits, potential side effects, and expert mixing techniques to avoid clumping. Evidence-based UK guidance for optimal preparation.

Erectile Dysfunction

min read

Does Venlafaxine Cause Erectile Dysfunction? UK Medical Guide

Does venlafaxine cause erectile dysfunction? Discover how this SNRI antidepressant affects sexual function, evidence-based management strategies, when to consult your GP, and alternative medications with lower sexual side effect profiles.

Erectile Dysfunction

min read

Does Blue Salt Help With Erectile Dysfunction? Evidence and Treatments

Does blue salt help with erectile dysfunction? Discover the evidence behind blue salt claims, proven ED treatments approved by NICE and the NHS, and when to seek medical advice for erectile dysfunction.

Can One Overdose on Magnesium? Risks and NHS Guidance

Supplements

min read

Can One Overdose on Magnesium? Risks and NHS Guidance

Can one overdose on magnesium? Discover the risks, symptoms, and safe dosage limits of magnesium toxicity. Learn NHS recommendations, who's most at risk, and what to do if overdose occurs. Essential UK guidance on magnesium supplementation safety.

Best Time to Take Berberine for Blood Sugar Control

Supplements

min read

Best Time to Take Berberine for Blood Sugar Control

Discover the best time to take berberine for blood sugar control, including evidence-based dosing strategies, meal timing recommendations, and essential safety guidance for UK users.

Omega-3 Food Sources: UK Guide to Fish and Plant-Based Options

Supplements

min read

Omega-3 Food Sources: UK Guide to Fish and Plant-Based Options

Discover the best omega-3 food sources available in the UK, from oily fish to plant-based options. Evidence-based guidance on daily requirements, practical tips for increasing intake, and NHS-aligned advice for all dietary patterns and life stages.

Gallbladder and Ozempic: Risks, Symptoms and Management

GLP-1 Brands

min read

Gallbladder and Ozempic: Risks, Symptoms and Management

Discover the link between Ozempic and gallbladder problems, including gallstones and cholecystitis. Learn the symptoms to watch for, who is at higher risk, and when to seek urgent medical advice whilst taking this GLP-1 receptor agonist for type 2 diabetes.

Erectile Dysfunction

min read

Do High Triglycerides Cause Erectile Dysfunction? The Link Explained

Do high triglycerides cause erectile dysfunction? Discover the link between elevated triglycerides and ED, how vascular health affects sexual function, and what you can do to manage both conditions effectively.

Mounjaro

min read

How Does Mounjaro Stop Food Noise? The Science Explained

How does Mounjaro stop food noise? Discover the science behind tirzepatide's effect on persistent food thoughts, cravings, and appetite regulation. Learn how this dual-agonist medication works in the brain to reduce food preoccupation and support weight management within NHS guidelines.

Natural Vitality Calm Magnesium: UK Safety and Usage Guide

Supplements

min read

Natural Vitality Calm Magnesium: UK Safety and Usage Guide

Natural Vitality Calm magnesium: expert guidance on this popular supplement's benefits, safety, dosage, and suitability. Learn about magnesium citrate, UK regulations, potential side effects, and who may benefit from supplementation.

Does Your Metabolism Slow Down When You Sleep?

Weight Loss

min read

Does Your Metabolism Slow Down When You Sleep?

Your metabolic rate drops 5–10% during sleep — but your body stays busy. Learn what happens to your metabolism overnight and why sleep quality matters.

Can Fatty Liver Cause Reflux? Evidence and Shared Risk Factors

Weight Loss

min read

Can Fatty Liver Cause Reflux? Evidence and Shared Risk Factors

Can fatty liver cause reflux? Discover the medical evidence linking fatty liver disease and acid reflux, shared risk factors like obesity and metabolic syndrome, and when to seek GP advice for liver and digestive symptoms.

Mounjaro

min read

Does Mounjaro Cause Fluid Retention? UK Evidence Review

Does Mounjaro cause fluid retention? Discover what UK clinical evidence reveals about tirzepatide and oedema, including recognised side effects, warning signs to watch for, and when to seek medical advice during treatment.

Does Sugar Cause Weight Gain in a Calorie Deficit? NHS-Aligned Guide

Weight Loss

min read

Does Sugar Cause Weight Gain in a Calorie Deficit? NHS-Aligned Guide

Does sugar cause weight gain in a calorie deficit? Discover what the science and NHS guidance say about sugar, energy balance, and sustainable weight loss.

Testosterone

min read

Will Hair Grow Back After Testosterone Treatment? Evidence and Options

Will hair grow back after testosterone treatment? Discover how testosterone affects hair growth, whether regrowth is possible after stopping therapy, and evidence-based treatment options for testosterone-related hair loss.

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

Whey Protein Powder in Coffee: Safety, Benefits and Preparation Guide

Does Venlafaxine Cause Erectile Dysfunction? UK Medical Guide

Does Blue Salt Help With Erectile Dysfunction? Evidence and Treatments

Can One Overdose on Magnesium? Risks and NHS Guidance

Best Time to Take Berberine for Blood Sugar Control

Omega-3 Food Sources: UK Guide to Fish and Plant-Based Options

Gallbladder and Ozempic: Risks, Symptoms and Management

Do High Triglycerides Cause Erectile Dysfunction? The Link Explained

How Does Mounjaro Stop Food Noise? The Science Explained

Natural Vitality Calm Magnesium: UK Safety and Usage Guide

Does Your Metabolism Slow Down When You Sleep?

Can Fatty Liver Cause Reflux? Evidence and Shared Risk Factors

Does Mounjaro Cause Fluid Retention? UK Evidence Review

Does Sugar Cause Weight Gain in a Calorie Deficit? NHS-Aligned Guide

Will Hair Grow Back After Testosterone Treatment? Evidence and Options

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