Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

The Wegovy pill (oral semaglutide) is now MHRA-approved in the UK. Who can take it, the dosing schedule, how to take it, and how it compares with the injection.

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Weight loss

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Weight Loss

min read

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

How alcohol interacts with UK weight loss medications including Wegovy, the oral Wegovy pill, Mysimba and orlistat: key risks and when to seek advice.

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Weight Loss

min read

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Bio-Rad HPLC HbA1c testing explained: how ion-exchange chromatography works, NHS laboratory use, NICE diagnostic thresholds, haemoglobin variant interference, and MHRA compliance guidance.

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Weight Loss

min read

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Gastric sleeve surgery explained: how sleeve gastrectomy works, NHS eligibility criteria, what to expect before and after surgery, risks, and long-term outcomes. Evidence-based UK guidance.

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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.

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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.

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

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.

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.

How to Eat on Retatrutide: UK Dietary and Safety Guide

GLP-1 Brands

min read

How to Eat on Retatrutide: UK Dietary and Safety Guide

How to eat on retatrutide: expert UK dietary guidance covering meal patterns, foods to prioritise, managing nausea, and staying well-nourished during treatment. Read now.

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Men’s Health

Testosterone

Answer all your questions about testosterone.

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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

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Does testosterone treatment cause hunger? Discover how TRT may influence appetite, the mechanisms involved, and practical strategies to manage hunger changes during testosterone therapy in the UK.

Can Testogel Make You Lethargic? Causes and Management

Testosterone

min read

Can Testogel Make You Lethargic? Causes and Management

Can Testogel make you feel tired? Discover why testosterone replacement therapy may cause lethargy, key warning signs to watch for, and evidence-based strategies to manage fatigue during TRT in the UK.

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.

Mounjaro

min read

Can You Drink Alcohol While Taking Mounjaro? UK Guidelines

Can you drink alcohol while taking Mounjaro? Discover how alcohol interacts with tirzepatide, affects blood sugar control, and what UK guidelines recommend for safe consumption with this type 2 diabetes medication.

Can You Take Januvia and Rybelsus Together?

GLP-1 Brands

min read

Can You Take Januvia and Rybelsus Together?

Can you take Januvia and Rybelsus together? Discover why UK guidance advises against combining these type 2 diabetes medications, how they work differently, and what alternative treatment options are available for better blood glucose control.

Can Trulicity Give You Diarrhoea? UK Clinical Guidance

GLP-1 Brands

min read

Can Trulicity Give You Diarrhoea? UK Clinical Guidance

Can Trulicity give you diarrhoea? Discover why this GLP-1 medication commonly causes bowel changes, how to manage symptoms effectively, and when to contact your GP for advice on this side effect.

Hiccups After Eating Gastric Sleeve: Causes, Tips and NHS Advice

Weight Loss

min read

Hiccups After Eating Gastric Sleeve: Causes, Tips and NHS Advice

Hiccups after eating gastric sleeve surgery explained — discover why they happen, common triggers to avoid, practical tips to reduce them, and when to seek NHS medical advice.

Can Visceral Fat Cause a Protrusion in the Lower Left Abdomen?

Weight Loss

min read

Can Visceral Fat Cause a Protrusion in the Lower Left Abdomen?

Can visceral fat cause a protrusion in the lower left abdomen? Learn what visceral fat actually looks like, what else causes a lower left abdominal bulge, and when to see your GP.

2000 IU Vitamin D: Benefits, Safety and UK Guidance

Supplements

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2000 IU Vitamin D: Benefits, Safety and UK Guidance

Discover when 2000 IU vitamin D supplementation is appropriate, who may benefit from this dose, evidence for bone and immune health, safe usage guidance, and potential side effects aligned with UK clinical recommendations.

Allergy Medication for Adults: NHS-Backed Guide

Supplements

min read

Allergy Medication for Adults: NHS-Backed Guide

Cetirizine, loratadine, nasal steroids and more — find out which allergy treatments work for hay fever, hives and rhinitis, with NHS and NICE guidance.

Allergy Medication for Cats: UK Treatment Guide

Supplements

min read

Allergy Medication for Cats: UK Treatment Guide

Discover how allergy medication for cats works, including antihistamines, steroids, and immunotherapy. Learn when treatment is needed, safe administration techniques, and when to consult your vet for feline allergic conditions.

GLP-1 Agonists in Transplant Patients: Safety and Management

Weight Loss

min read

GLP-1 Agonists in Transplant Patients: Safety and Management

Discover how GLP-1 agonists in transplant patients can safely manage post-transplant diabetes and weight gain. Learn about drug interactions with immunosuppressants, monitoring requirements, NHS guidance, and emerging clinical evidence for kidney, liver, and heart transplant recipients.

Can Fatty Liver Cause Burning Sensation? Evidence and Guidance

Weight Loss

min read

Can Fatty Liver Cause Burning Sensation? Evidence and Guidance

Can fatty liver cause burning sensation? Discover the evidence-based answer, learn why burning pain is rarely linked to hepatic steatosis, explore common alternative causes, and find out when to seek medical advice for liver-related symptoms.

HbA1c for Controlled Diabetes: NICE Targets and UK Guidance

Weight Loss

min read

HbA1c for Controlled Diabetes: NICE Targets and UK Guidance

HbA1c for controlled diabetes explained: NICE targets, testing frequency, factors affecting accuracy, and what to do if your result is outside range. UK-focused, NHS-aligned guidance.

Magnesium Sulfate Side Effects: Symptoms, Risks and Safety

Supplements

min read

Magnesium Sulfate Side Effects: Symptoms, Risks and Safety

Discover magnesium sulfate side effects from mild symptoms like flushing to serious complications including respiratory depression. Learn warning signs, who should avoid it, and how UK healthcare teams monitor safety during treatment.

Does Rybelsus Cause Vomiting? Causes & Management

GLP-1 Brands

min read

Does Rybelsus Cause Vomiting? Causes & Management

Rybelsus can cause vomiting due to delayed gastric emptying. Learn how common it is, why it happens, and how to manage it — with UK guidance for patients.

How to Wean Off Sildenafil: Safe Stopping Guide for ED

Erectile Dysfunction

min read

How to Wean Off Sildenafil: Safe Stopping Guide for ED

Discover how to safely stop taking sildenafil for erectile dysfunction. Learn whether you need to wean off Viagra gradually, what to expect when you stop, and when to consult your GP for ongoing support.

Victoza & Headaches: What 1 in 10 Patients Experience

GLP-1 Brands

min read

Victoza & Headaches: What 1 in 10 Patients Experience

Headaches affect roughly 1 in 10 Victoza users. Find out why they happen, how long they last, and what UK clinical guidance says about managing them.

Bolt Guides

Featured

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

Weight loss

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

GLP-1 Brands

Wegovy

Mounjaro

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

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide in Pill Form: What UK Patients Need to Know

How to Eat on Retatrutide: UK Dietary and Safety Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Can Testogel Make You Lethargic? Causes and Management

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Browse all

Can You Drink Alcohol While Taking Mounjaro? UK Guidelines

Can You Take Januvia and Rybelsus Together?

Can Trulicity Give You Diarrhoea? UK Clinical Guidance

Hiccups After Eating Gastric Sleeve: Causes, Tips and NHS Advice

Can Visceral Fat Cause a Protrusion in the Lower Left Abdomen?

2000 IU Vitamin D: Benefits, Safety and UK Guidance

Allergy Medication for Adults: NHS-Backed Guide

Allergy Medication for Cats: UK Treatment Guide

GLP-1 Agonists in Transplant Patients: Safety and Management

Can Fatty Liver Cause Burning Sensation? Evidence and Guidance

HbA1c for Controlled Diabetes: NICE Targets and UK Guidance

Magnesium Sulfate Side Effects: Symptoms, Risks and Safety

Does Rybelsus Cause Vomiting? Causes & Management

How to Wean Off Sildenafil: Safe Stopping Guide for ED

Victoza & Headaches: What 1 in 10 Patients Experience