Bolt Guides

Expert insights on weight loss and more.

Featured

Fish Oil Pills & Weight Loss: What the Evidence Says

Supplements

min read

Fish Oil Pills & Weight Loss: What the Evidence Says

Can fish oil supplements support weight loss? We review the evidence on omega-3 capsules, benefits, side effects, and UK guidance to help you decide.

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Weight loss

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Weight Loss

min read

Lemon Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Lemon pills for weight loss: do they work? Explore the evidence, UK regulations, safety considerations, and NHS-approved alternatives to make an informed decision.

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Weight Loss

min read

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Discover how treatment of genetic obesity has been transformed by targeted therapies for rare inherited forms. Learn about diagnosis, licensed medications like setmelanotide, specialist NHS services, and comprehensive management approaches for monogenic obesity conditions.

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

Weight Loss

min read

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

Spironolactone causes gynaecomastia by blocking androgen receptors and shifting the oestrogen-to-androgen ratio in breast tissue. Learn how it happens, how common it is, and what your options are.

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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

How to Wean Off Rybelsus Safely: UK Clinical Guidance

Learn how to wean off Rybelsus safely with expert guidance on stopping semaglutide, managing blood sugar after discontinuation, and maintaining diabetes control. Essential UK clinical advice for patients and healthcare professionals.

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How to Wean Off Rybelsus Safely: UK Clinical Guidance

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

GLP-1 Brands

min read

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

Discover how Trulicity (dulaglutide) helps manage type 2 diabetes with once-weekly injections. Learn about dosing, eligibility, side effects, and NICE guidance for UK patients seeking better blood glucose control.

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

GLP-1 Brands

min read

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

Retatrutide triple receptor agonist explained: how it works, Phase 2 trial results, side effects, and UK regulatory status. Find out what the evidence says and what to expect next.

Ozempic Effects on the Body: How Semaglutide Works

GLP-1 Brands

min read

Ozempic Effects on the Body: How Semaglutide Works

Discover how Ozempic affects blood sugar, weight & heart health. Learn side effects & safe usage with expert UK guidance.

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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.

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Erectile Dysfunction

min read

What Is the Best Vacuum Device for Erectile Dysfunction?

What is the best vacuum device for erectile dysfunction? Discover how vacuum erection devices work, which features matter most, how to access clinically tested VEDs through the NHS, and what the evidence shows about effectiveness and safety for treating ED.

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Testosterone

min read

How Many Days of Testosterone Gel Pump Treatment Are Needed?

How many days of testosterone gel pump treatment do you need? Discover why testosterone replacement therapy isn't measured in days but requires long-term management. Learn about treatment timelines, monitoring schedules, and when to review your therapy with evidence-based UK guidance.

Does Testogel Make Your Penis Larger? Evidence and Facts

Testosterone

min read

Does Testogel Make Your Penis Larger? Evidence and Facts

Does Testogel make your penis larger? Discover the evidence-based answer about testosterone therapy and penis size, plus realistic effects on male sexual health and when to seek medical advice.

How to Use Testogel for Women: Dosage, Application and Safety

Testosterone

min read

How to Use Testogel for Women: Dosage, Application and Safety

Learn how to use Testogel for women safely, including application technique, dosage guidelines, monitoring requirements, and potential side effects. Expert guidance on off-label testosterone therapy for postmenopausal women with HSDD.

Gynaecomastia Due to Liver Cirrhosis: Causes, Diagnosis and Treatment

Weight Loss

min read

Gynaecomastia Due to Liver Cirrhosis: Causes, Diagnosis and Treatment

Gynaecomastia due to liver cirrhosis explained: why it happens, how hormones are disrupted, NHS diagnosis, treatment options, and when to seek urgent help.

Hair Loss

min read

Does Glucosamine Cause Hair Loss? UK Evidence and Safety Advice

Does glucosamine cause hair loss? Learn what UK clinical data and MHRA safety information say about glucosamine side effects, common causes of hair shedding, and when to see a GP.

Victoza Side Effects: Does It Cause Joint Pain?

GLP-1 Brands

min read

Victoza Side Effects: Does It Cause Joint Pain?

Find out whether Victoza (liraglutide) can cause joint pain, what UK prescribing guidance says, and when to seek medical advice about your symptoms.

Hair Loss

min read

Can HCTZ Cause Hair Loss? UK Guidance and What to Do

Can HCTZ cause hair loss? Find out what UK clinical guidance says about hydrochlorothiazide and alopecia, how common it is, and what to do if you notice hair thinning.

Best Way to Measure Visceral Fat: UK Clinical Guide

Weight Loss

min read

Best Way to Measure Visceral Fat: UK Clinical Guide

The best way to measure visceral fat explained — from NHS waist circumference thresholds to MRI and DEXA scanning. Understand UK clinical guidelines, risk thresholds, and evidence-based advice for reducing visceral fat.

Retatrutide and Joint Pain: Evidence, Risks, and UK Guidance

GLP-1 Brands

min read

Retatrutide and Joint Pain: Evidence, Risks, and UK Guidance

Retatrutide and joint pain explained: what clinical evidence shows, who is at risk, how to manage musculoskeletal symptoms, and when to seek medical advice in the UK.

Does Saxenda Slow Digestion? GLP-1 Effects Explained

GLP-1 Brands

min read

Does Saxenda Slow Digestion? GLP-1 Effects Explained

Saxenda slows gastric emptying — but what does that mean for digestion? Learn about GLP-1 side effects, stomach pain, and practical management tips.

Hair Loss

min read

Laser Treatment for Hair Loss: Evidence, Safety, and UK Access

Laser treatment for hair loss (LLLT): discover how it works, what the evidence says, safety considerations, UK access routes, and how it compares with minoxidil, finasteride, and PRP therapy.

Hair Loss

min read

Best Hair Loss Treatment for Women: UK Options Explained

Best hair loss treatment for female patients explained: discover NHS-approved options, from minoxidil to anti-androgens, plus when to see a GP or dermatologist in the UK.

Cinnamon and Type 2 Diabetes: Evidence, Safety and NHS Guidance

Weight Loss

min read

Cinnamon and Type 2 Diabetes: Evidence, Safety and NHS Guidance

Discover the evidence on cinnamon and type 2 diabetes, including how it may affect blood sugar, clinical trial findings, safety considerations with diabetes medications, and NHS guidance on complementary approaches to diabetes management.

Erectile Dysfunction

min read

Does Subutex Cause Erectile Dysfunction? UK Medical Guide

Does Subutex cause erectile dysfunction? Learn how buprenorphine affects sexual function, why opioid medications may impact erections, and what management options are available. Expert UK guidance on addressing ED whilst maintaining opioid substitution therapy safely.

Does Breastfeeding Affect HbA1c? Diabetes, Lactation & Monitoring

Weight Loss

min read

Does Breastfeeding Affect HbA1c? Diabetes, Lactation & Monitoring

Does breastfeeding affect HbA1c? Learn how lactation influences blood glucose, insulin sensitivity, and glycaemic markers — plus key guidance for women with diabetes or a history of GDM.

Does Creatine Cause Gynaecomastia? Evidence, Risks, and UK Guidance

Weight Loss

min read

Does Creatine Cause Gynaecomastia? Evidence, Risks, and UK Guidance

Does creatine cause gynaecomastia? Explore the science, current clinical evidence, and UK guidance on creatine's hormonal effects, supplement safety, and when to see your GP.

OTC Allergy Medications Compared: Antihistamines & More

Supplements

min read

OTC Allergy Medications Compared: Antihistamines & More

Compare UK over-the-counter antihistamines, nasal sprays, eye drops & decongestants to find the best treatment for your allergy symptoms.

Saxenda and Your Period: What Women Should Know

GLP-1 Brands

min read

Saxenda and Your Period: What Women Should Know

Does Saxenda affect your periods? Learn how liraglutide may influence your menstrual cycle, why it happens, and when to seek medical advice.

Bolt Guides

Featured

Fish Oil Pills & Weight Loss: What the Evidence Says

Weight loss

Lemon Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Treatment of Genetic Obesity: Targeted Therapies and NHS Care

Spironolactone and Gynaecomastia: Causes, Risks, and Management Options

GLP-1 Brands

Wegovy

Mounjaro

How to Wean Off Rybelsus Safely: UK Clinical Guidance

Type 2 Diabetes Trulicity: Dosage, Eligibility & Side Effects UK

Retatrutide Triple Receptor Agonist: Mechanism, Evidence, and UK Status

Ozempic Effects on the Body: How Semaglutide Works

Men’s Health

Testosterone

Erectile dysfunction

What Is the Best Vacuum Device for Erectile Dysfunction?

How Many Days of Testosterone Gel Pump Treatment Are Needed?

Does Testogel Make Your Penis Larger? Evidence and Facts

How to Use Testogel for Women: Dosage, Application and Safety

Browse all

Gynaecomastia Due to Liver Cirrhosis: Causes, Diagnosis and Treatment

Does Glucosamine Cause Hair Loss? UK Evidence and Safety Advice

Victoza Side Effects: Does It Cause Joint Pain?

Can HCTZ Cause Hair Loss? UK Guidance and What to Do

Best Way to Measure Visceral Fat: UK Clinical Guide

Retatrutide and Joint Pain: Evidence, Risks, and UK Guidance

Does Saxenda Slow Digestion? GLP-1 Effects Explained

Laser Treatment for Hair Loss: Evidence, Safety, and UK Access

Best Hair Loss Treatment for Women: UK Options Explained

Cinnamon and Type 2 Diabetes: Evidence, Safety and NHS Guidance

Does Subutex Cause Erectile Dysfunction? UK Medical Guide

Does Breastfeeding Affect HbA1c? Diabetes, Lactation & Monitoring

Does Creatine Cause Gynaecomastia? Evidence, Risks, and UK Guidance

OTC Allergy Medications Compared: Antihistamines & More

Saxenda and Your Period: What Women Should Know

Personalized weight management for women