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.

Do IPAs Cause Gynaecomastia? Evidence, Risks & NHS Guidance

Weight Loss

min read

Do IPAs Cause Gynaecomastia? Evidence, Risks & NHS Guidance

Do IPAs cause gynaecomastia? Explore the evidence on hop phytoestrogens, alcohol's hormonal effects, and NHS guidance on breast changes in men — plus when to see your GP.

Can You Take Rybelsus After Gastric Bypass Surgery?

GLP-1 Brands

min read

Can You Take Rybelsus After Gastric Bypass Surgery?

Can you take Rybelsus after gastric bypass? Discover how bariatric surgery affects oral semaglutide absorption, what the evidence shows, and which alternative diabetes medications may be more suitable for post-surgical patients.

Bulletproof Coffee and Intermittent Fasting: Benefits, Risks, and UK Guidance

Weight Loss

min read

Bulletproof Coffee and Intermittent Fasting: Benefits, Risks, and UK Guidance

Bulletproof coffee and intermittent fasting: does butter and MCT coffee break your fast? Explore the evidence, UK dietary guidance, risks, and healthier alternatives.

Erectile Dysfunction

min read

How to Get Better Blood Flow for Erectile Dysfunction: UK Guide

Discover how to get better blood flow for erectile dysfunction through proven lifestyle changes, medical treatments, and exercise. Learn when to see your GP and understand the link between vascular health and erectile function in this comprehensive UK guide.

How Many Calories for a Calorie Deficit: NHS-Aligned Guide

Weight Loss

min read

How Many Calories for a Calorie Deficit: NHS-Aligned Guide

How many calories for a calorie deficit? Learn what NHS and NICE guidelines recommend, how to calculate your TDEE, and how to lose weight safely without extreme restriction.

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

Weight Loss

min read

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

Body odour after gastric sleeve surgery explained — discover why ketosis, diet, and metabolic changes affect how you smell, plus practical tips and when to seek medical advice.

How Does Ozempic Work? Mechanism of Action

GLP-1 Brands

min read

How Does Ozempic Work? Mechanism of Action

Discover how Ozempic (semaglutide) works — GLP-1 activation, blood sugar control & appetite regulation explained with UK clinical guidance.

Does Fish Oil Make You Gain Weight? UK Evidence Review

Supplements

min read

Does Fish Oil Make You Gain Weight? UK Evidence Review

Does fish oil make you gain weight? Discover the evidence on fish oil supplements and weight gain. Learn about calorie content, metabolic effects, and safe use of omega-3 supplements in the UK with expert medical guidance.

Erectile Dysfunction

min read

Does Ropinirole Cause Erectile Dysfunction? UK Medical Guide

Does ropinirole cause erectile dysfunction? Explore the complex relationship between this Parkinson's medication and sexual function, including management strategies and when to seek medical advice.

Sildenafil Metabolism: Enzymes, Interactions & Dosing

Erectile Dysfunction

min read

Sildenafil Metabolism: Enzymes, Interactions & Dosing

Learn how sildenafil is metabolised, which enzymes are involved, and what this means for drug interactions and safe dose adjustments in clinical practice.

Weight Loss

min read

Best Weight Loss Pill for Women Over 40: NHS Options Explained

Discover the best weight loss pill for women over 40 available on the NHS. Learn how prescription medicines like orlistat and semaglutide (Wegovy) address menopausal metabolic changes, eligibility criteria, safety considerations, and how to combine treatment with lifestyle changes for optimal results.

Polyunsaturated Fats: Are They Good for You?

Supplements

min read

Polyunsaturated Fats: Are They Good for You?

Learn what polyunsaturated fats are and how omega-3 and omega-6 PUFAs support heart and brain health, with NHS-aligned dietary guidance.

Does Swimming Help Fatty Liver? Evidence and Benefits

Weight Loss

min read

Does Swimming Help Fatty Liver? Evidence and Benefits

Does swimming help fatty liver? Discover how swimming reduces liver fat, improves metabolic health, and supports NAFLD management. Evidence-based guidance on exercise, lifestyle changes, and when to seek medical advice for fatty liver disease.

Calorie Deficit Always Cold: Causes, Management and When to See a GP

Weight Loss

min read

Calorie Deficit Always Cold: Causes, Management and When to See a GP

Calorie deficit always cold? Find out why eating less makes you feel chilly, how your body regulates temperature during weight loss, and when to see a GP about persistent cold sensitivity.

Gastric Sleeve Surgery While on Your Period: What You Need to Know

Weight Loss

min read

Gastric Sleeve Surgery While on Your Period: What You Need to Know

Can you have gastric sleeve surgery while on your period? Learn what UK surgeons consider, when surgery may be postponed, and how bariatric surgery affects your menstrual cycle.

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

Do IPAs Cause Gynaecomastia? Evidence, Risks & NHS Guidance

Can You Take Rybelsus After Gastric Bypass Surgery?

Bulletproof Coffee and Intermittent Fasting: Benefits, Risks, and UK Guidance

How to Get Better Blood Flow for Erectile Dysfunction: UK Guide

How Many Calories for a Calorie Deficit: NHS-Aligned Guide

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

How Does Ozempic Work? Mechanism of Action

Does Fish Oil Make You Gain Weight? UK Evidence Review

Does Ropinirole Cause Erectile Dysfunction? UK Medical Guide

Sildenafil Metabolism: Enzymes, Interactions & Dosing

Best Weight Loss Pill for Women Over 40: NHS Options Explained

Polyunsaturated Fats: Are They Good for You?

Does Swimming Help Fatty Liver? Evidence and Benefits

Calorie Deficit Always Cold: Causes, Management and When to See a GP

Gastric Sleeve Surgery While on Your Period: What You Need to Know

Personalized weight management for women