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.

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Weight loss

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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.

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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

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

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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.

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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

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.

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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.

Saxenda Dosing Schedule: Daily Use & Dose Chart

GLP-1 Brands

min read

Saxenda Dosing Schedule: Daily Use & Dose Chart

Learn how Saxenda's once-daily injection works, the 5-week dose escalation schedule, maximum 3 mg dose, and how long to use it — aligned with UK guidance.

Too Much Vitamin K: Toxicity, Safety and NHS Guidance

Supplements

min read

Too Much Vitamin K: Toxicity, Safety and NHS Guidance

Can you have too much vitamin K? Discover why vitamin K toxicity is rare, how it affects warfarin therapy, NHS guidance on safe intake levels, and when to seek medical advice about vitamin K consumption.

Berberine and Contraception: Interactions, Safety and Guidance

Supplements

min read

Berberine and Contraception: Interactions, Safety and Guidance

Concerned about berberine and contraception interactions? Discover the evidence on potential risks, practical safety measures for combined use, and when to seek medical advice about hormonal contraceptives and berberine supplementation.

How Long Can Fatty Liver Last? Duration, Reversal & When to Seek Help

Weight Loss

min read

How Long Can Fatty Liver Last? Duration, Reversal & When to Seek Help

Discover how long fatty liver disease can last, what affects its duration, and when it may reverse. Learn about NAFLD and alcohol-related fatty liver, progression risks, and when to seek medical advice for effective management.

History of Leptin in Obesity Treatment: Discovery to Current UK Use

Weight Loss

min read

History of Leptin in Obesity Treatment: Discovery to Current UK Use

Discover the history of leptin in obesity treatment—from its 1994 discovery and early promise to why it failed in common obesity. Learn about leptin resistance, current UK clinical use for rare conditions, and what NICE-recommended treatments are actually available on the NHS for weight management.

Best Type of Fish to Eat: UK Health and Safety Guide

Supplements

min read

Best Type of Fish to Eat: UK Health and Safety Guide

Discover the best type of fish to eat for optimal health benefits. Expert guidance on nutritious oily fish, NHS consumption recommendations, mercury safety, and sustainable seafood choices in the UK.

Best Time to Take Magnesium for Anxiety: UK Guide

Supplements

min read

Best Time to Take Magnesium for Anxiety: UK Guide

Discover the best time to take magnesium for anxiety, including evidence-based guidance on dosage, formulations, timing strategies, and safety considerations. Learn how magnesium may support mental wellbeing alongside established treatments.

Hair Loss

min read

Boar Brush Hair Loss: Causes, Safe Techniques, and When to Seek Help

Boar brush hair loss explained: find out whether boar bristle brushes cause shedding or breakage, how to brush safely, and when to see a GP about hair loss.

Wegovy

min read

Can You Buy Wegovy Online? Safe UK Access Explained

Can you buy Wegovy online in the UK? Discover how to safely purchase Wegovy through regulated online pharmacies, what to avoid, and which providers offer legitimate prescription-based access with clinical support.

Does a Calorie Deficit Lower Cholesterol? NHS Guidance Explained

Weight Loss

min read

Does a Calorie Deficit Lower Cholesterol? NHS Guidance Explained

Does a calorie deficit lower cholesterol? Discover how caloric restriction affects LDL, HDL, and triglycerides, what NHS dietary guidance recommends, and when to see your GP.

Can I Eat Ice Cream with a Fatty Liver? Evidence-Based Guidance

Weight Loss

min read

Can I Eat Ice Cream with a Fatty Liver? Evidence-Based Guidance

Can you eat ice cream with a fatty liver? Discover evidence-based guidance on ice cream consumption, how sugar and saturated fat affect your liver, and healthier dessert alternatives that support hepatic health whilst maintaining quality of life.

Hair Loss

min read

Hair Loss and Weight Loss: Causes, Investigation, and UK Treatment

Hair loss and weight loss happening together can signal an underlying condition such as thyroid disease or nutritional deficiency. Learn about causes, NHS investigations, and UK treatment options.

Can Hormonal Imbalance Cause Fatty Liver Disease? UK Guide

Weight Loss

min read

Can Hormonal Imbalance Cause Fatty Liver Disease? UK Guide

Can hormonal imbalance cause fatty liver disease? Discover how conditions like PCOS, hypothyroidism, and menopause affect liver health, plus when to seek medical advice and evidence-based treatment options available in the UK.

Can Rheumatoid Arthritis Cause Fatty Liver? Understanding the Link

Weight Loss

min read

Can Rheumatoid Arthritis Cause Fatty Liver? Understanding the Link

Can rheumatoid arthritis cause fatty liver? Discover how RA increases NAFLD risk through inflammation, shared risk factors, and medication effects. Learn about monitoring, symptoms, and management strategies for protecting liver health with rheumatoid arthritis.

Benefits of Magnesium Oil on Feet: Evidence and Safe Use

Supplements

min read

Benefits of Magnesium Oil on Feet: Evidence and Safe Use

Discover the benefits of magnesium oil on feet, including potential muscle cramp relief and sleep support. Learn how to apply it safely, understand the limited evidence behind transdermal absorption, and find out when to consult your GP instead.

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

Saxenda Dosing Schedule: Daily Use & Dose Chart

Too Much Vitamin K: Toxicity, Safety and NHS Guidance

Berberine and Contraception: Interactions, Safety and Guidance

How Long Can Fatty Liver Last? Duration, Reversal & When to Seek Help

History of Leptin in Obesity Treatment: Discovery to Current UK Use

Best Type of Fish to Eat: UK Health and Safety Guide

Best Time to Take Magnesium for Anxiety: UK Guide

Boar Brush Hair Loss: Causes, Safe Techniques, and When to Seek Help

Can You Buy Wegovy Online? Safe UK Access Explained

Does a Calorie Deficit Lower Cholesterol? NHS Guidance Explained

Can I Eat Ice Cream with a Fatty Liver? Evidence-Based Guidance

Hair Loss and Weight Loss: Causes, Investigation, and UK Treatment

Can Hormonal Imbalance Cause Fatty Liver Disease? UK Guide

Can Rheumatoid Arthritis Cause Fatty Liver? Understanding the Link

Benefits of Magnesium Oil on Feet: Evidence and Safe Use

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