Bolt Guides

Expert insights on weight loss and more.

Featured

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

GLP-1 Brands

min read

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

Lipo C with retatrutide: understand what these unlicensed and investigational treatments are, how they are used in weight management, key safety risks, and UK regulatory guidance before considering either therapy.

Read now

Weight loss

Read all on weight loss

Abnormal HbA1c ICD-10 Codes: UK Clinical Guide and NHS Thresholds

Weight Loss

min read

Abnormal HbA1c ICD-10 Codes: UK Clinical Guide and NHS Thresholds

Abnormal HbA1c ICD-10 codes explained for UK clinical practice — covering R73.0, R73.9, NHS diagnostic thresholds, NICE guidance, and when to refer. Read our full clinical guide.

Comparison of Blood Glucose, HbA1c and Fructosamine: NHS Guide

Weight Loss

min read

Comparison of Blood Glucose, HbA1c and Fructosamine: NHS Guide

Comparison of blood glucose, HbA1c, and fructosamine explained — discover how each test works, when it's used in NHS practice, their limitations, and how to understand your results.

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Weight Loss

min read

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

Lap band gastric banding system explained: how LAGB works, NHS eligibility criteria, risks, diet after surgery, and UK alternatives including sleeve gastrectomy and gastric bypass.

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

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

Read now

Retatrutide: Can Anyone Take It and Is It Available in the UK?

GLP-1 Brands

min read

Retatrutide: Can Anyone Take It and Is It Available in the UK?

Can anyone take retatrutide? Find out who may be eligible, who should avoid it, its current UK regulatory status, potential side effects, and how to speak to your GP about obesity treatment options.

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 Fridge Storage: What You Need to Know

GLP-1 Brands

min read

Retatrutide Fridge Storage: What You Need to Know

Retatrutide storage in the fridge explained: why no confirmed shelf-life exists yet, correct refrigeration conditions, signs of degradation, and what to do if the product is left out of the fridge.

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

Can Cialis Cause Gynaecomastia? Tadalafil Side Effects Explained

Erectile Dysfunction

min read

Can Cialis Cause Gynaecomastia? Tadalafil Side Effects Explained

Can Cialis cause gynaecomastia? Learn what the MHRA-approved evidence says about tadalafil and breast tissue changes, known side effects, and when to see a GP.

Read now

Testosterone

min read

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Can testosterone cause gynaecomastia? Learn how testosterone converts to oestrogen, who is most at risk, how to spot symptoms, and what NHS treatment options are available.

Testosterone

min read

Testosterone Booster for Gynaecomastia: Evidence, Risks and UK Treatment Options

Testosterone booster for gynaecomastia — does it work? Explore the evidence, safety risks, MHRA and NHS guidance, and clinically recognised UK treatment options for enlarged male breast tissue.

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.

Loose Skin After Sleeve Gastrectomy: Causes, Management & NHS Surgery

Weight Loss

min read

Loose Skin After Sleeve Gastrectomy: Causes, Management & NHS Surgery

Loose skin after sleeve gastrectomy is common following gastric sleeve surgery. Learn why it happens, what affects severity, and how to access NHS body contouring surgery in the UK.

Does TestoGel Increase Muscle Mass? Evidence and NHS Guidance

Testosterone

min read

Does TestoGel Increase Muscle Mass? Evidence and NHS Guidance

Does TestoGel increase muscle mass? Discover the clinical evidence on testosterone gel for hypogonadism, typical muscle gains, influencing factors, and NHS safety guidelines for appropriate use.

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

Weight Loss

min read

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

Does GLP-1 help with hot flashes? Discover the current evidence on GLP-1 medications and menopausal vasomotor symptoms, plus proven UK treatments for hot flashes including HRT and lifestyle approaches.

How Much Does Ozempic Lower HbA1c in Type 2 Diabetes?

GLP-1 Brands

min read

How Much Does Ozempic Lower HbA1c in Type 2 Diabetes?

Discover how much Ozempic lowers HbA1c in type 2 diabetes. Clinical evidence shows reductions of 1.0–1.8% (11–20 mmol/mol). Learn about dosing, timelines, individual factors, and UK guidance for optimal glycaemic control.

Does Sildenafil Affect the Kidneys? Safety and Dosing Guide

Erectile Dysfunction

min read

Does Sildenafil Affect the Kidneys? Safety and Dosing Guide

Does sildenafil affect the kidneys? Discover how this medication is processed, whether it's safe for kidney disease patients, and when dose adjustments are needed for renal impairment.

Reactive Hypoglycaemia and HbA1c: What Tests Actually Diagnose It

Weight Loss

min read

Reactive Hypoglycaemia and HbA1c: What Tests Actually Diagnose It

Does reactive hypoglycaemia show up on HbA1c? Find out why it doesn't, which UK tests can diagnose it, when to see your GP, and how it's managed on the NHS.

How Long Is Sildenafil Shelf Life: Storage and Expiry Guide

Erectile Dysfunction

min read

How Long Is Sildenafil Shelf Life: Storage and Expiry Guide

Discover how long sildenafil shelf life lasts, typically 3–5 years from manufacture. Learn proper storage conditions, signs of degradation, and why using expired sildenafil tablets poses risks to treatment efficacy and safety.

Can You Make a Fatty Liver Healthy Again? Evidence-Based Guide

Weight Loss

min read

Can You Make a Fatty Liver Healthy Again? Evidence-Based Guide

Can you make a fatty liver healthy again? Discover how to reverse fatty liver disease through evidence-based lifestyle changes, NHS support, and medical management. Learn realistic timelines for liver healing and when to seek specialist care.

What If I Forget to Take Rybelsus? Missed Dose Guidance

GLP-1 Brands

min read

What If I Forget to Take Rybelsus? Missed Dose Guidance

What if I forget to take Rybelsus? Learn the correct steps when you miss a dose of semaglutide, how it affects blood sugar control, and practical tips to remember your daily diabetes medication.

Is Oregano Good for Fatty Liver? Evidence and Safety

Weight Loss

min read

Is Oregano Good for Fatty Liver? Evidence and Safety

Is oregano good for fatty liver? Discover what the evidence says about oregano's potential benefits for liver health, safety considerations, and why lifestyle changes remain the gold standard treatment for NAFLD according to UK medical guidance.

How Much RDA of Iron Is in Beetroot Extract?

Supplements

min read

How Much RDA of Iron Is in Beetroot Extract?

How much RDA of iron is in beetroot extract? Discover the actual iron content in beetroot extract supplements, how it compares to UK daily requirements, and whether it can help meet your iron needs. Evidence-based guidance for UK readers.

Oral Medication for Skin Allergy: UK Treatment and Safety Guide

Supplements

min read

Oral Medication for Skin Allergy: UK Treatment and Safety Guide

Oral medication for skin allergy explained: discover which antihistamines, corticosteroids, and immunosuppressants are used in the UK, how they work, side effects, and when to see a GP or specialist.

Can't Sleep on Retatrutide? Causes, Management & UK Guidance

GLP-1 Brands

min read

Can't Sleep on Retatrutide? Causes, Management & UK Guidance

Can't sleep on retatrutide? Learn why this investigational triple receptor agonist may affect sleep, how common insomnia is in trials, and what UK guidance recommends for managing sleep difficulties safely.

Foods to Avoid with Trulicity: Diet Guide for Type 2 Diabetes

GLP-1 Brands

min read

Foods to Avoid with Trulicity: Diet Guide for Type 2 Diabetes

Discover which foods to avoid with Trulicity to minimise side effects and optimise blood sugar control. Expert guidance on managing your diet with this type 2 diabetes medication, including practical tips aligned with NHS recommendations.

Incretins Role in Pregnancy: Safety and UK Guidance

Weight Loss

min read

Incretins Role in Pregnancy: Safety and UK Guidance

Discover the incretins role in pregnancy, including safety concerns, UK guidance, and why GLP-1 receptor agonists and DPP-4 inhibitors are not recommended during pregnancy. Learn about pregnancy-safe diabetes treatment alternatives.

Bolt Guides

Featured

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

Weight loss

Abnormal HbA1c ICD-10 Codes: UK Clinical Guide and NHS Thresholds

Comparison of Blood Glucose, HbA1c and Fructosamine: NHS Guide

Lap Band Gastric Banding System: NHS Eligibility, Risks and Alternatives

GLP-1 Brands

Wegovy

Mounjaro

Lipo C With Retatrutide: UK Safety, Evidence, and Regulatory Guidance

Retatrutide: Can Anyone Take It and Is It Available in the UK?

1 Month Retatrutide Results: Clinical Evidence and Realistic Expectations

Retatrutide Fridge Storage: What You Need to Know

Men’s Health

Testosterone

Erectile dysfunction

Can Cialis Cause Gynaecomastia? Tadalafil Side Effects Explained

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Testosterone Booster for Gynaecomastia: Evidence, Risks and UK Treatment Options

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Browse all

Loose Skin After Sleeve Gastrectomy: Causes, Management & NHS Surgery

Does TestoGel Increase Muscle Mass? Evidence and NHS Guidance

Does GLP-1 Help With Hot Flashes? Evidence and Alternatives

How Much Does Ozempic Lower HbA1c in Type 2 Diabetes?

Does Sildenafil Affect the Kidneys? Safety and Dosing Guide

Reactive Hypoglycaemia and HbA1c: What Tests Actually Diagnose It

How Long Is Sildenafil Shelf Life: Storage and Expiry Guide

Can You Make a Fatty Liver Healthy Again? Evidence-Based Guide

What If I Forget to Take Rybelsus? Missed Dose Guidance

Is Oregano Good for Fatty Liver? Evidence and Safety

How Much RDA of Iron Is in Beetroot Extract?

Oral Medication for Skin Allergy: UK Treatment and Safety Guide

Can't Sleep on Retatrutide? Causes, Management & UK Guidance

Foods to Avoid with Trulicity: Diet Guide for Type 2 Diabetes

Incretins Role in Pregnancy: Safety and UK Guidance

Personalized weight management for women