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.

Read Wegovy guides

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.

Caffeine & Saxenda (Liraglutide): Is It Safe?

GLP-1 Brands

min read

Caffeine & Saxenda (Liraglutide): Is It Safe?

Can you drink coffee or tea on Saxenda? Discover what the MHRA says about caffeine and liraglutide, plus practical tips for GLP-1 users.

Can You Take Allergy Medication With Doxycycline? UK Guide

Supplements

min read

Can You Take Allergy Medication With Doxycycline? UK Guide

Can you take allergy medication with doxycycline? Find out which antihistamines, decongestants, and nasal sprays are safe to use alongside doxycycline, plus key interactions to avoid — UK guidance from NHS, NICE, and MHRA.

Gastric Banding and Opioid Cravings: Risks, Signs, and NHS Support

Weight Loss

min read

Gastric Banding and Opioid Cravings: Risks, Signs, and NHS Support

Gastric banding and opioid cravings explained: understand the neurobiological link, how surgery affects opioid absorption, signs of dependence, and NHS treatment options available in the UK.

How Long Does Intermittent Fasting Last? Schedules, Results & UK Guidance

Weight Loss

min read

How Long Does Intermittent Fasting Last? Schedules, Results & UK Guidance

How long does intermittent fasting last? From 12-hour time-restricted eating to 36-hour alternate day fasts, discover common IF schedules, expected timelines for results, NHS and NICE guidance, and when to seek medical advice.

What Is the Half-Life of Rybelsus (Semaglutide)?

GLP-1 Brands

min read

What Is the Half-Life of Rybelsus (Semaglutide)?

What is the half-life of Rybelsus? Discover how Rybelsus (semaglutide) stays in your system, why it takes weeks to reach full effect, and what this means for your type 2 diabetes treatment. Expert UK guidance included.

What Converts Food Into Energy: Metabolism and Cellular Respiration Explained

Weight Loss

min read

What Converts Food Into Energy: Metabolism and Cellular Respiration Explained

Discover what converts food into energy in your body. Learn how digestion, metabolism, and cellular respiration transform nutrients into ATP, the fuel powering every bodily function, plus conditions that affect energy production.

Erectile Dysfunction

min read

Do Antibiotics Cause Erectile Dysfunction? UK Medical Evidence

Do antibiotics cause erectile dysfunction? Discover the evidence behind antibiotics and ED, which medications may be linked, and when to seek medical advice for persistent erectile difficulties.

Are Chickpeas Good for Fatty Liver? Evidence and Guidance

Weight Loss

min read

Are Chickpeas Good for Fatty Liver? Evidence and Guidance

Are chickpeas good for fatty liver? Discover the evidence behind chickpeas for NAFLD management, their nutritional benefits for liver health, and practical ways to include them in your diet. UK-focused guidance aligned with NICE recommendations.

Canola Oil and Fatty Liver: Evidence-Based UK Guidance

Weight Loss

min read

Canola Oil and Fatty Liver: Evidence-Based UK Guidance

Canola oil and fatty liver: discover the evidence on rapeseed oil's impact on liver health, nutritional profile, and expert dietary recommendations for managing fatty liver disease in line with UK guidance.

How Much Omega-3 Should I Take? UK Guidance and Dosage

Supplements

min read

How Much Omega-3 Should I Take? UK Guidance and Dosage

Discover how much omega-3 you should take based on UK NHS guidance. Learn recommended daily intakes for adults, children, pregnancy, and specific health conditions, plus safety considerations and when to consult your GP about omega-3 supplementation.

Retatrutide Side Effects and Libido: What the Evidence Shows

GLP-1 Brands

min read

Retatrutide Side Effects and Libido: What the Evidence Shows

Retatrutide side effects and libido changes explained — discover what Phase 2 trial data reveals, why sexual health effects remain unconfirmed, and when to speak to a UK GP or specialist.

Things Rich in B12: Best Food Sources and Daily Requirements

Supplements

min read

Things Rich in B12: Best Food Sources and Daily Requirements

Discover the best things rich in B12, from meat and fish to fortified foods. Learn which sources provide optimal vitamin B12, daily requirements, and who's at risk of deficiency in this comprehensive UK guide.

Allergy Medication and IBS: What UK Patients Need to Know

Supplements

min read

Allergy Medication and IBS: What UK Patients Need to Know

Allergy medication and IBS: find out how antihistamines affect gut motility, which options are safest for IBS sufferers, and when to seek NHS advice. Evidence-based UK guidance.

Weight Loss

min read

Gastric Banding and Opioid Cravings: Risks, Signs, and NHS Support

Gastric banding and opioid cravings explained: understand the neurobiological link, how surgery affects opioid absorption, signs of dependence, and NHS treatment options available in the UK.

How Long Does a Saxenda Pen Last Once Opened?

GLP-1 Brands

min read

How Long Does a Saxenda Pen Last Once Opened?

Learn how long an opened Saxenda pen lasts, how to store it correctly, and how long 3 pens will last. Clear UK guidance for safe use.

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

Caffeine & Saxenda (Liraglutide): Is It Safe?

Can You Take Allergy Medication With Doxycycline? UK Guide

Gastric Banding and Opioid Cravings: Risks, Signs, and NHS Support

How Long Does Intermittent Fasting Last? Schedules, Results & UK Guidance

What Is the Half-Life of Rybelsus (Semaglutide)?

What Converts Food Into Energy: Metabolism and Cellular Respiration Explained

Do Antibiotics Cause Erectile Dysfunction? UK Medical Evidence

Are Chickpeas Good for Fatty Liver? Evidence and Guidance

Canola Oil and Fatty Liver: Evidence-Based UK Guidance

How Much Omega-3 Should I Take? UK Guidance and Dosage

Retatrutide Side Effects and Libido: What the Evidence Shows

Things Rich in B12: Best Food Sources and Daily Requirements

Allergy Medication and IBS: What UK Patients Need to Know

Gastric Banding and Opioid Cravings: Risks, Signs, and NHS Support

How Long Does a Saxenda Pen Last Once Opened?