Bolt Guides

Expert insights on weight loss and more.

Featured

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

GLP-1 Brands

min read

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

Weight loss pill naltrexone (Mysimba) explained: how it works, who qualifies, dosage and side effects, plus how it compares with the new oral Wegovy pill.

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Weight loss

Read all on weight loss

Weight Loss

min read

Are Injections Better Than Pills for Weight Loss? UK Guide

Are injections better than pills for weight loss? Compare injectable GLP-1 agonists with oral options like orlistat on the NHS — evidence, side effects, eligibility, and costs explained.

Weight Loss

min read

Weight Loss Pills While Trying to Conceive: What You Need to Know

Can you take weight loss pills while trying to conceive? NHS and MHRA guidance says no. Learn which medicines to stop, when, and safer alternatives to use.

Weight Loss

min read

Best Vegan Weight Loss Pills: Evidence, Safety, and NHS Alternatives

Best vegan weight loss pills reviewed: what the evidence really shows, which ingredients are UK-authorised, key safety warnings, and NHS-recommended alternatives for sustainable weight management.

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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

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

Weight loss pill naltrexone (Mysimba) explained: how it works, who qualifies, dosage and side effects, plus how it compares with the new oral Wegovy pill.

Read now

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

GLP-1 Brands

min read

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Is Rybelsus a good weight loss pill? How oral semaglutide compares to the new Wegovy pill (25 mg), the evidence, side effects, and UK prescribing guidance.

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

GLP-1 Brands

min read

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

1 month retatrutide results explained: what Phase 2 trial data shows about early weight loss, common side effects, realistic expectations, and UK regulatory status in 2025.

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

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.

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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 Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

Does ibuprofen affect erectile dysfunction? Explore the evidence on NSAIDs and ED, understand established causes of erectile problems, learn which medications can impact sexual function, and discover when to seek medical advice from your GP.

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Testosterone

min read

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can testosterone treatments cause swollen feet? Discover how TRT affects fluid retention, when to seek medical advice, management strategies, and alternative causes of peripheral oedema during testosterone therapy.

Testosterone

min read

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

Can you take testosterone after prostate cancer treatment? Discover current UK guidance, eligibility criteria, risks and benefits, and essential monitoring requirements for testosterone replacement therapy following prostate cancer.

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.

Hair Loss

min read

Sore Scalp and Hair Loss: Causes, Diagnosis and NHS Treatments

Sore scalp and hair loss can signal conditions ranging from dermatitis to scarring alopecia. Discover causes, NHS treatments, and when to see a GP or dermatologist.

Weight Loss

min read

Duromine Weight Loss Pills: UK Legality, Safety, and Licensed Alternatives

Duromine (phentermine) is not UK-licensed. Learn the risks and the MHRA-approved alternatives, including the new oral Wegovy pill, your prescriber can offer.

Erectile Dysfunction

min read

Do Back Problems Cause Erectile Dysfunction? Causes and Treatment

Discover how back problems can cause erectile dysfunction through nerve damage, spinal compression, and chronic pain. Learn about warning signs requiring urgent medical attention, treatment options including PDE5 inhibitors, and when to see your GP for assessment.

Exercises for Man Boobs: Causes, Workouts, and When to See a GP

Weight Loss

min read

Exercises for Man Boobs: Causes, Workouts, and When to See a GP

Exercises for man boobs: discover which workouts reduce chest fat, why true gynaecomastia needs medical review, and when to see your GP. Evidence-based UK guidance.

Gastric Sleeve on the NHS: Eligibility & Recovery

Weight Loss

min read

Gastric Sleeve on the NHS: Eligibility & Recovery

Do you qualify for NHS gastric sleeve surgery? Discover eligibility, what the procedure involves, risks, and recovery. Clear UK guidance.

Magnesium Glycinate with Zinc: Benefits, Dosage and Safety

Supplements

min read

Magnesium Glycinate with Zinc: Benefits, Dosage and Safety

Discover the benefits, dosage, and safety of magnesium glycinate with zinc supplements. Learn who may benefit, potential side effects, and UK guidance on this mineral combination for immune support and overall health.

Hair Loss

min read

Probiotics and Hair Loss: What Does the Evidence Really Show?

Probiotics and hair loss: discover what the evidence says about gut health and hair growth, which strains have been studied, safety guidance, and when to see your GP.

Rashes Due to Fatty Liver: Skin Changes and When to Seek Help

Weight Loss

min read

Rashes Due to Fatty Liver: Skin Changes and When to Seek Help

Discover how rashes due to fatty liver disease develop, what skin changes indicate advanced liver dysfunction, and when to seek medical advice. Learn about spider naevi, jaundice, itching, and treatment options aligned with UK guidance.

Mounjaro

min read

Does Mounjaro Affect Cortisol Levels? UK Clinical Evidence

Does Mounjaro affect cortisol levels? Discover what current UK clinical evidence reveals about tirzepatide's impact on cortisol, the body's stress hormone, and when to speak to your GP about hormonal concerns.

Banda Gástrica o Bypass Gástrico: UK Guide to Bariatric Surgery

Weight Loss

min read

Banda Gástrica o Bypass Gástrico: UK Guide to Bariatric Surgery

Banda gástrica o bypass gástrico — compare how each weight loss surgery works, NHS eligibility under NICE guidelines, risks, recovery, and long-term outcomes. Read our UK clinical guide.

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

GLP-1 Brands

min read

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

Find out exactly how many 1.2mg doses are in a Victoza pen and how long your supply will last. Essential guidance on calculating your Victoza pen duration, when to order refills, and proper storage for optimal diabetes management.

Do Weight Loss Injections Make You Cold? Demystifying GLP-1 Weight Loss Treatments

Wegovy

min read

Do Weight Loss Injections Make You Cold? Demystifying GLP-1 Weight Loss Treatments

Discover the truth about whether GLP-1 weight loss injections make you cold. Our in-depth blog post offers expert insight into this question, providing urgent answers for those undertaking weight loss treatment.

Fatty Liver and Blood Pressure: Connection, Management & Treatment

Weight Loss

min read

Fatty Liver and Blood Pressure: Connection, Management & Treatment

Discover how fatty liver disease and high blood pressure are connected through shared metabolic pathways. Learn evidence-based management strategies, lifestyle changes, and when to seek medical advice for both conditions.

Gastric Sleeve and the Immune System: What UK Patients Need to Know

Weight Loss

min read

Gastric Sleeve and the Immune System: What UK Patients Need to Know

Gastric sleeve surgery and the immune system: discover how sleeve gastrectomy affects immunity, which nutritional deficiencies to monitor, and how to support recovery safely with UK clinical guidance.

Erectile Dysfunction

min read

Does Penile Mondor's Disease Cause Erectile Dysfunction?

Does penile Mondor's disease cause erectile dysfunction? Discover the facts about this rare benign vein condition, its impact on sexual function, symptoms, treatment options, and what to expect during recovery.

Bolt Guides

Featured

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

Weight loss

Are Injections Better Than Pills for Weight Loss? UK Guide

Weight Loss Pills While Trying to Conceive: What You Need to Know

Best Vegan Weight Loss Pills: Evidence, Safety, and NHS Alternatives

GLP-1 Brands

Wegovy

Mounjaro

Weight Loss Pill Naltrexone: How Mysimba Works in the UK

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Ibuprofen Affect Erectile Dysfunction? UK Evidence Review

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

What Will 3 Days Without Testogel Do to Me?

Browse all

Sore Scalp and Hair Loss: Causes, Diagnosis and NHS Treatments

Duromine Weight Loss Pills: UK Legality, Safety, and Licensed Alternatives

Do Back Problems Cause Erectile Dysfunction? Causes and Treatment

Exercises for Man Boobs: Causes, Workouts, and When to See a GP

Gastric Sleeve on the NHS: Eligibility & Recovery

Magnesium Glycinate with Zinc: Benefits, Dosage and Safety

Probiotics and Hair Loss: What Does the Evidence Really Show?

Rashes Due to Fatty Liver: Skin Changes and When to Seek Help

Does Mounjaro Affect Cortisol Levels? UK Clinical Evidence

Banda Gástrica o Bypass Gástrico: UK Guide to Bariatric Surgery

How Many 1.2mg Doses in a Victoza Pen: Complete Guide

Do Weight Loss Injections Make You Cold? Demystifying GLP-1 Weight Loss Treatments

Fatty Liver and Blood Pressure: Connection, Management & Treatment

Gastric Sleeve and the Immune System: What UK Patients Need to Know

Does Penile Mondor's Disease Cause Erectile Dysfunction?

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