Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Wegovy Pill UK: Licensing, Eligibility, Safety and Oral Alternatives

Wegovy pill: does an oral version exist in the UK? Learn about current licensing, NHS eligibility, safe use, side effects, and licensed oral alternatives for weight management.

Read now

Weight loss

Read all on weight loss

Non-Invasive Blood Glucose Meters: UK Evidence, Regulation & Guidance

Weight Loss

min read

Non-Invasive Blood Glucose Meters: UK Evidence, Regulation & Guidance

Non-invasive blood glucose meters claim to measure glucose without finger-prick testing — but are they safe and approved in the UK? Learn about the technology, MHRA regulatory status, and NHS-recommended alternatives.

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Weight Loss

min read

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Blood glucose readings for non-diabetics explained: discover normal UK ranges, how tests work, what affects your results, and when to see your GP. Evidence-based NHS guidance.

Is Diarrhoea Normal After Gastric Sleeve? Causes and Recovery Tips

Weight Loss

min read

Is Diarrhoea Normal After Gastric Sleeve? Causes and Recovery Tips

Is diarrhoea normal after gastric sleeve surgery? Learn why loose stools occur, how long they last, practical management tips, and when to seek medical advice in the UK.

Read all on weight loss

GLP-1 Brands

Read all on GLP-1 brands

Wegovy

Answer all your questions about Wegovy treatments for weight loss.

Read Wegovy guides

Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

Read Mounjaro guides

GLP-1 Brands

min read

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

How much bacteriostatic water to mix with retatrutide — understand reconstitution principles, UK regulatory status, safety risks, and when to seek medical advice before use.

Read now

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide and Testosterone: Interactions, Safety, and UK Guidance

GLP-1 Brands

min read

Retatrutide and Testosterone: Interactions, Safety, and UK Guidance

Can you take retatrutide with testosterone? Explore the potential interactions, hormonal effects, safety considerations, and UK clinical guidance on using these two treatments together.

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

GLP-1 Brands

min read

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

Retatrutide peptide vs tesamorelin: understand how these two compounds differ in mechanism, clinical evidence, safety, and UK regulatory status before considering either option.

Cagri Peptide With Retatrutide: UK Evidence, Safety and Availability

GLP-1 Brands

min read

Cagri Peptide With Retatrutide: UK Evidence, Safety and Availability

Cagri peptide with retatrutide explained: how these investigational obesity medicines work, what the clinical evidence shows, UK safety guidance, and how to access treatments through regulated NHS pathways.

Read all on GLP-1 brands

Men’s Health

Testosterone

Answer all your questions about testosterone.

Read testosterone guides

Erectile dysfunction

Answer all your questions about erectile dysfunction.

Read erectile dysfunction guides

Erectile Dysfunction

min read

Does Nattokinase Help with Erectile Dysfunction? Evidence Review

Does nattokinase help with erectile dysfunction? Discover what the clinical evidence actually shows about this supplement, its safety considerations, and the proven treatments recommended by NICE for ED.

Read now

Testosterone

min read

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Calorie deficit effect on testosterone explained — learn how energy restriction affects hormone levels, warning signs to watch for, and evidence-based steps to protect testosterone while losing weight safely.

Testosterone

min read

Will Your Clitoris Stay the Same After Stopping Testosterone Treatment?

Will your clitoris stay the same after stopping testosterone treatment? Discover what happens to clitoral size, sensitivity, and function when testosterone therapy ends, which changes persist, and when to seek medical advice.

Will Erectile Strength Last on Testogel? UK Medical Guidance

Testosterone

min read

Will Erectile Strength Last on Testogel? UK Medical Guidance

Will erectile benefits from Testogel last long-term? Discover how testosterone gel affects erectile function, what influences sustained results, when to expect changes, and how to maintain benefits safely under UK medical guidance.

Anastomotic Leak After Gastric Sleeve: Causes, Signs & Treatment

Weight Loss

min read

Anastomotic Leak After Gastric Sleeve: Causes, Signs & Treatment

Anastomotic leak after gastric sleeve surgery explained: causes, warning signs, diagnosis, and treatment options within UK bariatric services. Read our expert guide.

Can I Eat Tilapia Whilst Pregnant? Safety and NHS Guidelines

Supplements

min read

Can I Eat Tilapia Whilst Pregnant? Safety and NHS Guidelines

Can I eat tilapia whilst pregnant? Discover why tilapia is safe during pregnancy, its nutritional benefits, mercury levels, proper preparation methods, and NHS guidelines for fish consumption. Expert advice for expectant mothers.

Erectile Dysfunction

min read

Are Goji Berries Good for Erectile Dysfunction? Evidence Review

Are goji berries good for erectile dysfunction? Discover what the evidence says about goji berries for ED, explore proven treatments recommended by NICE, and learn when to seek medical advice for erectile problems.

Calorie Deficit Bad Breath: Causes, Management and When to Seek Help

Weight Loss

min read

Calorie Deficit Bad Breath: Causes, Management and When to Seek Help

Calorie deficit bad breath explained: discover why dieting causes halitosis, the role of ketosis, and NHS-aligned tips to manage it safely. Know when to see a dentist or GP.

Vitamin D Deficiency Symptoms: Recognition, Risk Factors and Treatment

Supplements

min read

Vitamin D Deficiency Symptoms: Recognition, Risk Factors and Treatment

Discover the key vitamin D deficiency symptoms including bone pain, muscle weakness, and fatigue. Learn who's at risk in the UK, when to seek medical advice, and how to prevent and treat this common condition through supplementation and lifestyle changes.

Testosterone

min read

Does Testosterone Treatment Cause Infertility? UK Guide

Does testosterone treatment cause infertility? Discover how TRT affects sperm production, whether fertility loss is reversible, preservation options before starting treatment, and fertility-sparing alternatives for men with hypogonadism in the UK.

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

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.

Does Exercise Help a Fatty Liver? Evidence-Based Guide

Weight Loss

min read

Does Exercise Help a Fatty Liver? Evidence-Based Guide

Does exercise help a fatty liver? Discover how physical activity reduces liver fat, which exercises work best for NAFLD, and how much activity you need. Evidence-based guidance aligned with UK clinical recommendations.

Weight Loss

min read

Average Weight Loss After Gastric Sleeve Surgery: What to Expect

Average weight loss after gastric sleeve surgery explained — find out how much weight you can lose, the typical timeline, NHS eligibility criteria, and expert tips for long-term success.

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Supplements

min read

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Does canned tuna have omega-3? Discover how much omega-3 is in canned tuna, which varieties offer the most, and why it doesn't count as oily fish under NHS guidance. Learn practical tips for balancing nutrition and safety.

Saxenda and Periods: Spotting & Menstrual Changes

GLP-1 Brands

min read

Saxenda and Periods: Spotting & Menstrual Changes

Does Saxenda affect your period? Learn why spotting and menstrual changes may occur during treatment and when to seek medical advice. UK expert guidance.

HbA1c Test for Diabetes: How It Works and Why It Matters

Weight Loss

min read

HbA1c Test for Diabetes: How It Works and Why It Matters

Why is HbA1c used as a test for diabetes? Learn how this blood test measures average glucose over 3 months, NICE diagnostic thresholds, monitoring targets, and when other tests are needed.

Lack of B12 Signs: Symptoms, Risk Factors and When to Seek Help

Supplements

min read

Lack of B12 Signs: Symptoms, Risk Factors and When to Seek Help

Discover the key signs of lack of B12, from fatigue and pale skin to neurological symptoms like pins and needles. Learn who's at risk, when to see your GP, and how B12 deficiency is diagnosed and treated in the UK.

Can Weight Loss Injections Cause Headaches? UK Medical Guidance

Wegovy

min read

Can Weight Loss Injections Cause Headaches? UK Medical Guidance

Can weight loss injections cause headaches? Discover which GLP-1 medications are linked to headaches, why they occur, how to manage them safely, and when to seek medical advice. Evidence-based UK guidance for patients.

Testosterone

min read

How Many Pumps in Testogel: Dosing Guide for Testosterone Therapy

Find out how many pumps in Testogel you need for testosterone replacement therapy. Learn about standard dosing, safe dose adjustment, application technique, and essential monitoring for men with hypogonadism.

Bolt Guides

Featured

Wegovy Pill UK: Licensing, Eligibility, Safety and Oral Alternatives

Weight loss

Non-Invasive Blood Glucose Meters: UK Evidence, Regulation & Guidance

Blood Glucose Readings for Non-Diabetics: UK Normal Ranges Explained

Is Diarrhoea Normal After Gastric Sleeve? Causes and Recovery Tips

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide and Testosterone: Interactions, Safety, and UK Guidance

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

Cagri Peptide With Retatrutide: UK Evidence, Safety and Availability

Men’s Health

Testosterone

Erectile dysfunction

Does Nattokinase Help with Erectile Dysfunction? Evidence Review

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Will Your Clitoris Stay the Same After Stopping Testosterone Treatment?

Will Erectile Strength Last on Testogel? UK Medical Guidance

Browse all

Anastomotic Leak After Gastric Sleeve: Causes, Signs & Treatment

Can I Eat Tilapia Whilst Pregnant? Safety and NHS Guidelines

Are Goji Berries Good for Erectile Dysfunction? Evidence Review

Calorie Deficit Bad Breath: Causes, Management and When to Seek Help

Vitamin D Deficiency Symptoms: Recognition, Risk Factors and Treatment

Does Testosterone Treatment Cause Infertility? UK Guide

Different Strengths of Trulicity: Dosing Guide for Type 2 Diabetes

Does Exercise Help a Fatty Liver? Evidence-Based Guide

Average Weight Loss After Gastric Sleeve Surgery: What to Expect

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Saxenda and Periods: Spotting & Menstrual Changes

HbA1c Test for Diabetes: How It Works and Why It Matters

Lack of B12 Signs: Symptoms, Risk Factors and When to Seek Help

Can Weight Loss Injections Cause Headaches? UK Medical Guidance

How Many Pumps in Testogel: Dosing Guide for Testosterone Therapy

Personalized weight management for women