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.

Light-Headedness on Saxenda: Causes, Management and When to Seek Help

GLP-1 Brands

min read

Light-Headedness on Saxenda: Causes, Management and When to Seek Help

Experiencing light-headedness on Saxenda? Discover why it happens, when symptoms typically occur, practical management strategies, and when to seek medical advice. Evidence-based UK guidance for patients and clinicians.

How Much Omega-3 Fatty Acids Per Day: UK Guidelines

Supplements

min read

How Much Omega-3 Fatty Acids Per Day: UK Guidelines

Discover how much omega-3 fatty acids per day you need based on UK NHS guidance. Learn about EPA, DHA, and ALA requirements for different age groups, food sources, supplements, and safety limits for optimal health.

Can Low Vitamin D Cause Dizziness? UK Medical Guide

Supplements

min read

Can Low Vitamin D Cause Dizziness? UK Medical Guide

Can low vitamin D cause dizziness? Discover the evidence linking vitamin D deficiency to balance problems, recognise symptoms, understand testing options, and learn when to seek medical advice for persistent dizziness in the UK.

Can You Take NSAIDs After Gastric Sleeve? UK Guidance Explained

Weight Loss

min read

Can You Take NSAIDs After Gastric Sleeve? UK Guidance Explained

Can you take NSAIDs after gastric sleeve surgery? Learn why ibuprofen and other NSAIDs are generally avoided post-op, the serious GI risks involved, and safer UK-approved pain relief alternatives recommended by bariatric teams.

Does Ozempic Affect Iron Levels? Evidence and Monitoring Guidance

GLP-1 Brands

min read

Does Ozempic Affect Iron Levels? Evidence and Monitoring Guidance

Does Ozempic affect iron levels? Discover the evidence on semaglutide and iron deficiency, including gastrointestinal effects, monitoring guidance, and when to seek medical advice for symptoms of anaemia whilst taking Ozempic.

Fish Oil Benefits and Side Effects: UK Clinical Guide

Supplements

min read

Fish Oil Benefits and Side Effects: UK Clinical Guide

Discover fish oil benefits and side effects, including cardiovascular support, anti-inflammatory properties, potential gastrointestinal issues, and bleeding risks. Learn safe dosages, who should avoid supplements, and NHS guidance on omega-3 intake for UK patients.

Is Whey Protein Powder Made From Worms? Facts and Myths

Supplements

min read

Is Whey Protein Powder Made From Worms? Facts and Myths

Is whey protein powder made from worms? Discover the truth about whey protein's dairy origins, debunk common myths about insect ingredients, and learn about UK safety regulations for protein supplements.

B12 Shots at Home: NHS Guide to Safe Self-Administration

Supplements

min read

B12 Shots at Home: NHS Guide to Safe Self-Administration

Learn how to safely administer B12 shots at home in the UK. Comprehensive NHS-aligned guidance on technique, prescriptions, supplies, side effects, and when to seek medical advice for vitamin B12 deficiency treatment.

Hair Loss

min read

Supplements for Hair Loss in Females: Evidence, Safety, and NHS Guidance

Supplements for hair loss in females: discover which nutritional deficiencies are linked to thinning hair, what the NHS and MHRA say, safety considerations, and when to see your GP.

Fuelling Workouts on GLP-1 Medications Safely

Weight Loss

min read

Fuelling Workouts on GLP-1 Medications Safely

On semaglutide or liraglutide? Learn how to fuel exercise, protect muscle, and manage energy levels with practical meal timing and protein guidance.

Rybelsus for Weight Loss: UK Clinical Evidence

GLP-1 Brands

min read

Rybelsus for Weight Loss: UK Clinical Evidence

Learn how Rybelsus (semaglutide) tablets work, what the clinical evidence shows for weight loss, and who may be suitable under MHRA guidance.

Mounjaro

min read

Does Mounjaro Cause Fatigue? UK Clinical Guidance

Does Mounjaro cause fatigue? Discover why tiredness occurs with tirzepatide, how common it is according to MHRA data, practical management strategies, and when to contact your GP. Evidence-based UK guidance on Mounjaro side effects.

Is Beetroot Extract Good for Blood Pressure? UK Evidence Review

Supplements

min read

Is Beetroot Extract Good for Blood Pressure? UK Evidence Review

Is beetroot extract good for blood pressure? Discover how beetroot extract affects blood pressure through nitric oxide, the clinical evidence, recommended dosages, safety considerations, and how it compares to standard treatments under UK guidelines.

Hair Loss

min read

Can Eliquis Cause Hair Loss? Apixaban, Alopecia & What to Do

Can Eliquis cause hair loss? Find out what the clinical evidence says about apixaban and alopecia, other likely causes, and when to speak to your GP or anticoagulation clinic.

Erectile Dysfunction

min read

A Bracelet for Erectile Dysfunction: Evidence and NHS Treatments

Considering a bracelet for erectile dysfunction? Discover why these wearable devices lack clinical evidence, how they differ from NHS-approved treatments, and why proper medical assessment is essential for effective ED management.

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

Light-Headedness on Saxenda: Causes, Management and When to Seek Help

How Much Omega-3 Fatty Acids Per Day: UK Guidelines

Can Low Vitamin D Cause Dizziness? UK Medical Guide

Can You Take NSAIDs After Gastric Sleeve? UK Guidance Explained

Does Ozempic Affect Iron Levels? Evidence and Monitoring Guidance

Fish Oil Benefits and Side Effects: UK Clinical Guide

Is Whey Protein Powder Made From Worms? Facts and Myths

B12 Shots at Home: NHS Guide to Safe Self-Administration

Supplements for Hair Loss in Females: Evidence, Safety, and NHS Guidance

Fuelling Workouts on GLP-1 Medications Safely

Rybelsus for Weight Loss: UK Clinical Evidence

Does Mounjaro Cause Fatigue? UK Clinical Guidance

Is Beetroot Extract Good for Blood Pressure? UK Evidence Review

Can Eliquis Cause Hair Loss? Apixaban, Alopecia & What to Do

A Bracelet for Erectile Dysfunction: Evidence and NHS Treatments

Personalized weight management for women