Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Switching from Wegovy injection to pill? Learn how the UK-approved transition from 2.4 mg weekly injections to 25 mg daily tablets works, who it suits, and what to expect.

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Weight loss

Read all on weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

Weight Loss

min read

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

POTS after bariatric surgery: understand why it develops, how to recognise symptoms, NHS treatment options, lifestyle adjustments, and when to seek urgent medical advice.

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.

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

Weight Loss

min read

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

How to reverse a 5.8% HbA1c with NHS-backed diet, exercise, and lifestyle advice. Understand what your result means, how long changes take, and when to see your GP.

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.

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Mounjaro

Answer all your questions about Mounjaro treatments for weight loss.

Read Mounjaro guides

GLP-1 Brands

min read

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide injections explained: learn how this investigational triple agonist is administered in clinical trials, including technique, dosing, storage, and UK safety guidance.

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Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

GLP-1 Brands

min read

Retatrutide: What It Is Made Of and How It Works

Retatrutide is a synthetic triple receptor agonist peptide targeting GLP-1, GIP, and glucagon receptors. Learn how it works, what it's made of, and its current UK regulatory status.

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

GLP-1 Brands

min read

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Feeling cold on retatrutide? Learn why this happens, how common it is in clinical trials, when to seek medical advice, and practical tips to manage cold sensations safely.

Retatrutide in Pill Form: What UK Patients Need to Know

GLP-1 Brands

min read

Retatrutide in Pill Form: What UK Patients Need to Know

Can you get retatrutide in pill form? Find out why no oral version exists yet, how peptide medicines work, and which licensed weight loss treatments are available in the UK right now.

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 Rybelsus Cause Erectile Dysfunction?

Rybelsus is not listed as a cause of erectile dysfunction. Explore the UK evidence on semaglutide and sexual health, and how to manage ED with diabetes.

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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.

Testosterone

min read

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

Does testosterone treatment cause muscle pain? Discover the evidence on muscle discomfort during TRT, including causes, when to seek help, and how to manage symptoms safely. Expert UK guidance for patients and clinicians.

How Much Testogel Should a Man Use? UK Dosage Guide

Testosterone

min read

How Much Testogel Should a Man Use? UK Dosage Guide

How much Testogel should a man use? Discover recommended starting doses, how to adjust treatment based on testosterone levels, proper application techniques, and essential safety guidance for men prescribed this testosterone replacement therapy in the UK.

Should Saxenda Be Taken in the Morning? Timing & Dosing Guide

GLP-1 Brands

min read

Should Saxenda Be Taken in the Morning? Timing & Dosing Guide

Should Saxenda be taken in the morning or evening? Discover the evidence-based answer, plus expert guidance on optimal timing, administration techniques, managing side effects, and incorporating liraglutide into your daily weight management routine.

Erectile Dysfunction

min read

Alcohol & Erectile Dysfunction: What the Evidence Shows

Can white wine help with erectile dysfunction? We review the clinical evidence and what UK guidelines recommend for managing ED.

Can HCG Cause Gynaecomastia? Risks, Signs and UK Treatment Options

Weight Loss

min read

Can HCG Cause Gynaecomastia? Risks, Signs and UK Treatment Options

Can HCG cause gynaecomastia? Yes — find out why, who is most at risk, how to recognise the signs, and what NHS-aligned treatment options are available for HCG-related breast changes in men.

How to Calorie Deficit Safely: A UK Evidence-Based Guide

Weight Loss

min read

How to Calorie Deficit Safely: A UK Evidence-Based Guide

How to calorie deficit safely and effectively — learn how to calculate your daily calorie needs, create a NICE-recommended 600 kcal deficit, and choose the right foods to support sustainable weight loss.

How Quickly Does Testogel Stop Working After Discontinuation?

Testosterone

min read

How Quickly Does Testogel Stop Working After Discontinuation?

Discover how quickly Testogel stops working after discontinuation. Learn about testosterone decline timelines, factors affecting duration, symptom return, and safe management strategies under medical supervision.

Erectile Dysfunction

min read

Is Mango Good for Erectile Dysfunction? Evidence and Treatments

Is mango good for erectile dysfunction? Discover what the evidence says about mango's nutrients, polyphenols, and potential vascular benefits, plus proven ED treatments and lifestyle changes recommended by UK clinical guidance.

Is Metformin an Incretin? Understanding the Key Differences

Weight Loss

min read

Is Metformin an Incretin? Understanding the Key Differences

Is metformin an incretin? Discover the crucial differences between metformin and incretin-based therapies, how each works to control blood glucose, and what this means for your diabetes treatment options.

Artichoke Extract for Fatty Liver: UK Evidence and Safety Guide

Weight Loss

min read

Artichoke Extract for Fatty Liver: UK Evidence and Safety Guide

Can artichoke extract help fatty liver disease? Discover what UK clinical evidence says, how it compares to proven treatments, safety considerations, and NICE-recommended approaches to managing NAFLD effectively.

Can You Wear a Faja After Gastric Sleeve? UK Recovery Guide

Weight Loss

min read

Can You Wear a Faja After Gastric Sleeve? UK Recovery Guide

Can you wear a faja after gastric sleeve surgery? Learn when it may be safe, the risks of compression garments post-bariatric surgery, and what UK surgeons recommend.

Probiotics for Urinary Tract Health in Women: Evidence and Guidance

Supplements

min read

Probiotics for Urinary Tract Health in Women: Evidence and Guidance

Discover how probiotics for urinary tract health in women work, which Lactobacillus strains are studied for UTI prevention, potential benefits, safety considerations, and what UK clinical guidelines recommend for recurrent infections.

Testosterone

min read

How Often Should Testosterone Be Checked When Using Testogel?

Find out how often testosterone levels should be checked when using Testogel. Learn about UK monitoring schedules, blood tests, safety checks, and signs your dose may need adjusting under NHS guidelines.

Gastric Band and Periods: How Surgery Affects Your Menstrual Cycle

Weight Loss

min read

Gastric Band and Periods: How Surgery Affects Your Menstrual Cycle

Gastric band and periods: find out how bariatric surgery affects your menstrual cycle, why hormonal changes occur, when to seek advice, and what UK guidance says about fertility and contraception.

Is Vitamin B12 Water-Soluble? Absorption, Storage and Safety

Supplements

min read

Is Vitamin B12 Water-Soluble? Absorption, Storage and Safety

Is vitamin B12 water-soluble? Discover how B12's water-soluble nature affects absorption, storage, daily requirements, and supplementation. Essential guidance for patients at risk of deficiency, including vegans and older adults.

Is the Gastric Sleeve Safe? UK Evidence, Risks, and Outcomes

Weight Loss

min read

Is the Gastric Sleeve Safe? UK Evidence, Risks, and Outcomes

Is the gastric sleeve safe? Explore the UK clinical evidence, NHS eligibility criteria, risks, complications, and long-term outcomes of sleeve gastrectomy, guided by NICE, BOMSS, and NHS England.

Can You Lay Down After Taking Rybelsus? UK Guidance

GLP-1 Brands

min read

Can You Lay Down After Taking Rybelsus? UK Guidance

Can you lay down after taking Rybelsus? Discover the official UK guidance on body position and administration requirements for this type 2 diabetes medication, including what truly affects absorption and how to take it safely for optimal results.

Bolt Guides

Featured

Switching From Wegovy Injection to Pill: UK Prescribing Guide

Weight loss

POTS After Bariatric Surgery: Causes, Symptoms and NHS Treatment

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

How to Reverse a 5.8% HbA1c: NHS-Backed Lifestyle Advice

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Retatrutide in Pill Form: What UK Patients Need to Know

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

How to Treat Rash From Testosterone Treatment: Expert Guide

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

How Much Testogel Should a Man Use? UK Dosage Guide

Browse all

Should Saxenda Be Taken in the Morning? Timing & Dosing Guide

Alcohol & Erectile Dysfunction: What the Evidence Shows

Can HCG Cause Gynaecomastia? Risks, Signs and UK Treatment Options

How to Calorie Deficit Safely: A UK Evidence-Based Guide

How Quickly Does Testogel Stop Working After Discontinuation?

Is Mango Good for Erectile Dysfunction? Evidence and Treatments

Is Metformin an Incretin? Understanding the Key Differences

Artichoke Extract for Fatty Liver: UK Evidence and Safety Guide

Can You Wear a Faja After Gastric Sleeve? UK Recovery Guide

Probiotics for Urinary Tract Health in Women: Evidence and Guidance

How Often Should Testosterone Be Checked When Using Testogel?

Gastric Band and Periods: How Surgery Affects Your Menstrual Cycle

Is Vitamin B12 Water-Soluble? Absorption, Storage and Safety

Is the Gastric Sleeve Safe? UK Evidence, Risks, and Outcomes

Can You Lay Down After Taking Rybelsus? UK Guidance