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

Read all on weight loss

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.

Testosterone

min read

Will Hair Grow Back After Testosterone Treatment? Evidence and Options

Will hair grow back after testosterone treatment? Discover how testosterone affects hair growth, whether regrowth is possible after stopping therapy, and evidence-based treatment options for testosterone-related hair loss.

Hair Loss

min read

Can Argan Oil Cause Hair Loss? Evidence, Ingredients, and Advice

Can argan oil cause hair loss? Learn what the evidence says, which product ingredients may affect your scalp, common causes of hair shedding, and when to see a GP or dermatologist.

Saxenda Side Effects: Can It Cause Colitis?

GLP-1 Brands

min read

Saxenda Side Effects: Can It Cause Colitis?

Explore the evidence on Saxenda and colitis risk, including GI side effects to watch for, when to seek advice, and UK-approved weight management options.

Autoimmune Hepatitis and Fatty Liver: Symptoms, Diagnosis & Treatment

Weight Loss

min read

Autoimmune Hepatitis and Fatty Liver: Symptoms, Diagnosis & Treatment

Discover how autoimmune hepatitis and fatty liver disease can occur together, their symptoms, diagnosis, and treatment options. Expert guidance on managing both liver conditions effectively with lifestyle changes and medical care.

Erectile Dysfunction

min read

Are Raisins Good for Erectile Dysfunction? Evidence and Treatments

Are raisins good for erectile dysfunction? Discover the evidence behind dietary claims, understand proven treatments for ED, and learn about NICE-recommended approaches including PDE5 inhibitors and lifestyle modifications for UK men.

Mounjaro

min read

Can Mounjaro Make You Cold? Temperature Changes Explained

Can Mounjaro make you cold? Discover why some patients experience cold sensitivity on tirzepatide, how common it is, practical management strategies, and when to seek medical advice about temperature changes during treatment.

Vitamin K Blood Test: When You Need It and What Results Mean

Supplements

min read

Vitamin K Blood Test: When You Need It and What Results Mean

Vitamin K blood test explained: discover when you need this specialist test, how it works, what your results mean, and what happens if your levels are abnormal. Essential UK clinical guidance.

Does Berberine Make You Poop? Digestive Effects Explained

Supplements

min read

Does Berberine Make You Poop? Digestive Effects Explained

Does berberine make you poop? Discover why this popular supplement commonly causes increased bowel movements, how to manage digestive side effects, and when to seek medical advice about berberine and bowel changes.

Hair Loss

min read

Does Lexapro (Escitalopram) Cause Hair Loss? UK Guide

Does Lexapro (escitalopram/Cipralex) cause hair loss? Learn about the evidence, how common it is, why SSRIs may trigger telogen effluvium, and what to do if you notice hair thinning.

SGLT2 Inhibitors & Incretin Mimetics: Combination Guide

Weight Loss

min read

SGLT2 Inhibitors & Incretin Mimetics: Combination Guide

Learn how SGLT2 inhibitors and incretin mimetics work together for type 2 diabetes. Covers side effects, renal benefits, and NHS prescribing guidance.

Seafood with High Iodine: Best Sources for Thyroid Health

Supplements

min read

Seafood with High Iodine: Best Sources for Thyroid Health

Discover which seafood with high iodine content best supports thyroid health. Expert guidance on cod, haddock, shellfish, daily requirements, and safe consumption for optimal metabolic function in the UK.

Can Deficiency of Vitamin D Cause Weight Gain? UK Evidence

Supplements

min read

Can Deficiency of Vitamin D Cause Weight Gain? UK Evidence

Can vitamin D deficiency cause weight gain? Discover what UK research reveals about the complex relationship between low vitamin D levels and body weight, plus guidance on testing and treatment.

GLP-1 Agonists and Hand Tremors: Causes and Management

Weight Loss

min read

GLP-1 Agonists and Hand Tremors: Causes and Management

Concerned about GLP-1 agonists and hand tremors? Discover the potential causes, when tremors may occur during diabetes treatment, and when to seek medical advice. Expert UK guidance on managing tremors whilst taking semaglutide, dulaglutide, or liraglutide.

Algae Oil Omega-3: Benefits, Dosage and Safety Guide

Supplements

min read

Algae Oil Omega-3: Benefits, Dosage and Safety Guide

Discover how algae oil omega-3 supplements provide plant-based EPA and DHA for heart and brain health. Learn about benefits, dosage, safety, and why algae oil offers a sustainable, vegan-friendly alternative to fish oil for optimal omega-3 intake.

Weight Loss

min read

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

Saffron pills for weight loss — do they really work? Explore the clinical evidence, safety risks, drug interactions, and what NHS guidelines recommend instead for effective weight management.

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

Will Hair Grow Back After Testosterone Treatment? Evidence and Options

Can Argan Oil Cause Hair Loss? Evidence, Ingredients, and Advice

Saxenda Side Effects: Can It Cause Colitis?

Autoimmune Hepatitis and Fatty Liver: Symptoms, Diagnosis & Treatment

Are Raisins Good for Erectile Dysfunction? Evidence and Treatments

Can Mounjaro Make You Cold? Temperature Changes Explained

Vitamin K Blood Test: When You Need It and What Results Mean

Does Berberine Make You Poop? Digestive Effects Explained

Does Lexapro (Escitalopram) Cause Hair Loss? UK Guide

SGLT2 Inhibitors & Incretin Mimetics: Combination Guide

Seafood with High Iodine: Best Sources for Thyroid Health

Can Deficiency of Vitamin D Cause Weight Gain? UK Evidence

GLP-1 Agonists and Hand Tremors: Causes and Management

Algae Oil Omega-3: Benefits, Dosage and Safety Guide

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

Personalized weight management for women