Bolt Guides

Expert insights on weight loss and more.

Featured

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Weight Loss

min read

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Safe HbA1c levels for surgery explained: UK thresholds, NICE and CPOC guidance, how to lower HbA1c before an operation, and perioperative blood glucose management for people with diabetes.

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Weight loss

Read all on weight loss

Weight Loss

min read

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Safe HbA1c levels for surgery explained: UK thresholds, NICE and CPOC guidance, how to lower HbA1c before an operation, and perioperative blood glucose management for people with diabetes.

Can COVID Increase HbA1c? Causes, Risks and NHS Guidance

Weight Loss

min read

Can COVID Increase HbA1c? Causes, Risks and NHS Guidance

Can COVID increase HbA1c? Find out how COVID-19 affects blood sugar levels, who is most at risk, when to get tested, and what NHS guidance says about managing raised HbA1c after infection.

Pre-Diabetic Range HbA1c mmol/mol: UK Thresholds and What to Do

Weight Loss

min read

Pre-Diabetic Range HbA1c mmol/mol: UK Thresholds and What to Do

Pre-diabetic range HbA1c is 42–47 mmol/mol in the UK. Learn what this means, how the NHS diagnoses and monitors prediabetes, and what lifestyle changes can help lower your result.

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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

Does Ozempic Keep You Awake at Night? Sleep Effects Explained

Does Ozempic keep you awake at night? Discover whether semaglutide causes sleep problems, what indirect effects may disrupt sleep, and practical strategies to manage sleep disturbances whilst taking Ozempic for type 2 diabetes.

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Does Ozempic Keep You Awake at Night? Sleep Effects Explained

Feeling Cold on Ozempic: Causes and Management

GLP-1 Brands

min read

Feeling Cold on Ozempic: Causes and Management

Feeling cold on Ozempic? Discover why some patients experience cold sensitivity, how common it is, practical management strategies, and when to contact your GP for further evaluation.

How Fast Do You Feel Side Effects from Ozempic?

GLP-1 Brands

min read

How Fast Do You Feel Side Effects from Ozempic?

Discover how quickly Ozempic side effects appear, typically within the first week of treatment. Learn about common symptoms, their timeline, and when to contact your GP for advice on managing side effects safely.

Lump After Ozempic Injection: What It Means & What to Do

GLP-1 Brands

min read

Lump After Ozempic Injection: What It Means & What to Do

Got a lump after your Ozempic injection? Learn what causes injection site lumps, how to prevent them with proper technique, and when to worry.

Read all on GLP-1 brands

Men’s Health

Testosterone

Answer all your questions about testosterone.

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Erectile dysfunction

Answer all your questions about erectile dysfunction.

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Does Tadalafil Keep You Awake? Sleep Effects Explained

Erectile Dysfunction

min read

Does Tadalafil Keep You Awake? Sleep Effects Explained

Does tadalafil keep you awake? Discover how this ED medication affects sleep, common side effects that may disrupt rest, and practical timing strategies to improve sleep quality whilst using tadalafil.

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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

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.

Can I Use Testogel at Night? Timing and Application Guide

Testosterone

min read

Can I Use Testogel at Night? Timing and Application Guide

Can you use Testogel at night instead of morning? Discover when to apply testosterone gel, how timing affects absorption, safety considerations for evening use, and expert guidance on optimising your treatment routine.

Rybelsus Long Term Use: Benefits, Risks and Monitoring

GLP-1 Brands

min read

Rybelsus Long Term Use: Benefits, Risks and Monitoring

Rybelsus long term use: Discover the benefits, risks, monitoring requirements, and safety considerations for extended oral semaglutide therapy in type 2 diabetes management. Evidence-based UK guidance.

Weight Loss

min read

Matcha Pills for Weight Loss: Evidence, Safety, and UK Alternatives

Matcha pills for weight loss: do they really work? Explore the clinical evidence, safety risks including liver injury, MHRA guidance, and NHS-approved alternatives available in the UK.

CoQ10 and Vitamin E: Benefits, Dosage, and Safety Guide

Supplements

min read

CoQ10 and Vitamin E: Benefits, Dosage, and Safety Guide

Discover the evidence on CoQ10 and vitamin E supplementation, including their antioxidant roles, potential benefits, recommended dosages, side effects, and who should consider taking them together in the UK.

HOMA-IR vs HbA1c: Key Differences, Uses, and What Results Mean

Weight Loss

min read

HOMA-IR vs HbA1c: Key Differences, Uses, and What Results Mean

HOMA-IR vs HbA1c: understand what each test measures, how they differ, when clinicians use them together, and what your results mean. Based on NHS and NICE guidance.

Allergy Medication Side Effect Dizziness: Causes, Risks and Solutions

Supplements

min read

Allergy Medication Side Effect Dizziness: Causes, Risks and Solutions

Allergy medication causing dizziness? Learn which antihistamines and allergy treatments are most likely to cause dizziness, how to manage it safely, and when to seek medical advice.

AST/ALT Ratio in Alcohol-Related Fatty Liver Disease Explained

Weight Loss

min read

AST/ALT Ratio in Alcohol-Related Fatty Liver Disease Explained

Discover how the AST/ALT ratio helps diagnose alcohol-related fatty liver disease. Learn what your liver enzyme results mean, when the ratio suggests alcohol-related damage, and when to seek medical advice for reversible liver injury.

Weight Loss

min read

Can COVID Increase HbA1c? Causes, Risks and NHS Guidance

Can COVID increase HbA1c? Find out how COVID-19 affects blood sugar levels, who is most at risk, when to get tested, and what NHS guidance says about managing raised HbA1c after infection.

Erectile Dysfunction

min read

Do Oranges Help with Erectile Dysfunction? Evidence and Advice

Do oranges help with erectile dysfunction? Discover what the evidence says about oranges, flavonoids, and vascular health, plus when to seek medical advice for ED and evidence-based treatment options available in the UK.

How Long Does CoQ10 Take to Work? Evidence-Based Timeframes

Supplements

min read

How Long Does CoQ10 Take to Work? Evidence-Based Timeframes

How long does CoQ10 take to work? Discover evidence-based timeframes for CoQ10 supplementation, from blood level changes in 1–2 weeks to clinical effects requiring 4–12 weeks or longer. Learn what affects response times and realistic expectations.

How Long Does Testogel Take to Absorb? UK Guide

Testosterone

min read

How Long Does Testogel Take to Absorb? UK Guide

How long does Testogel take to absorb? Discover the absorption timeline for testosterone gel, including when you can shower, factors affecting uptake, and signs your treatment is working. Expert UK guidance on safe, effective Testogel use.

Mounjaro

min read

Omega-3 and Mounjaro: Safety, Interactions and Clinical Guidance

Can you take omega-3 supplements with Mounjaro? Discover the safety of combining omega-3 and Mounjaro, potential interactions, benefits for diabetes and weight management, and when to consult your GP for personalised advice.

Camu Camu for Fatty Liver: Evidence, Safety and NHS Treatment

Weight Loss

min read

Camu Camu for Fatty Liver: Evidence, Safety and NHS Treatment

Can camu camu help fatty liver disease? Discover what the evidence says about this Amazonian superfruit for NAFLD, including safety considerations, potential risks, and NHS-recommended treatments for managing fatty liver effectively.

Do You Build a Tolerance to Tadalafil? Evidence and Guidance

Erectile Dysfunction

min read

Do You Build a Tolerance to Tadalafil? Evidence and Guidance

Do you build a tolerance to tadalafil over time? Discover what the evidence shows about long-term tadalafil use, why effectiveness may change, and how to maintain optimal treatment response for erectile dysfunction.

Hair Loss

min read

Hair Vitamins for Hair Loss: Evidence, Safety, and NHS Guidance

Hair vitamins for hair loss — do they really work? Discover which nutrients are linked to hair shedding, what the clinical evidence shows, NHS treatment options, and how to choose a safe UK supplement.

Trulicity and Januvia Together: UK Guidance and Safety

GLP-1 Brands

min read

Trulicity and Januvia Together: UK Guidance and Safety

Can you take Trulicity and Januvia together for type 2 diabetes? Discover why NICE guidance advises against this combination, how these medications work differently, and what UK clinical practice recommends for safe, effective diabetes management.

Bolt Guides

Featured

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Weight loss

Safe HbA1c Levels for Surgery: UK Guidelines and Perioperative Advice

Can COVID Increase HbA1c? Causes, Risks and NHS Guidance

Pre-Diabetic Range HbA1c mmol/mol: UK Thresholds and What to Do

GLP-1 Brands

Wegovy

Mounjaro

Does Ozempic Keep You Awake at Night? Sleep Effects Explained

Feeling Cold on Ozempic: Causes and Management

How Fast Do You Feel Side Effects from Ozempic?

Lump After Ozempic Injection: What It Means & What to Do

Men’s Health

Testosterone

Erectile dysfunction

Does Tadalafil Keep You Awake? Sleep Effects Explained

How to Treat Rash From Testosterone Treatment: Expert Guide

Calorie Deficit Effect on Testosterone: What the Evidence Shows

Can I Use Testogel at Night? Timing and Application Guide

Browse all

Rybelsus Long Term Use: Benefits, Risks and Monitoring

Matcha Pills for Weight Loss: Evidence, Safety, and UK Alternatives

CoQ10 and Vitamin E: Benefits, Dosage, and Safety Guide

HOMA-IR vs HbA1c: Key Differences, Uses, and What Results Mean

Allergy Medication Side Effect Dizziness: Causes, Risks and Solutions

AST/ALT Ratio in Alcohol-Related Fatty Liver Disease Explained

Can COVID Increase HbA1c? Causes, Risks and NHS Guidance

Do Oranges Help with Erectile Dysfunction? Evidence and Advice

How Long Does CoQ10 Take to Work? Evidence-Based Timeframes

How Long Does Testogel Take to Absorb? UK Guide

Omega-3 and Mounjaro: Safety, Interactions and Clinical Guidance

Camu Camu for Fatty Liver: Evidence, Safety and NHS Treatment

Do You Build a Tolerance to Tadalafil? Evidence and Guidance

Hair Vitamins for Hair Loss: Evidence, Safety, and NHS Guidance

Trulicity and Januvia Together: UK Guidance and Safety

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