Bolt Guides

Discover the vital relationship between metabolic rate and body temperature. Learn how metabolic processes generate heat, what affects both parameters, and when temperature or metabolism changes require medical attention.

Low Energy After Gastric Sleeve: Causes, Nutrition & Recovery Tips

Weight Loss

min read

Low Energy After Gastric Sleeve: Causes, Nutrition & Recovery Tips

Low energy after gastric sleeve surgery is common but manageable. Discover the clinical causes, NHS-recommended supplements, dietary tips, and when to seek medical advice.

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

Rybelsus and Phentermine Together: UK Safety Guide

Combining Rybelsus and phentermine? Learn the risks, why it's not recommended in the UK, and which NICE-approved alternatives may suit you.

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Rybelsus and Phentermine Together: UK Safety Guide

How Do You Store Ozempic: Essential Storage Guidelines

GLP-1 Brands

min read

How Do You Store Ozempic: Essential Storage Guidelines

How do you store Ozempic correctly? Discover essential storage guidelines for unopened and opened Ozempic pens, temperature requirements, and common mistakes to avoid to maintain medication efficacy and safety.

Does Rybelsus Make You Feel Full? Appetite Effects Explained

GLP-1 Brands

min read

Does Rybelsus Make You Feel Full? Appetite Effects Explained

Does Rybelsus make you feel full? Discover how this type 2 diabetes medication affects appetite, what to expect when taking it, and how to manage changes in hunger and satiety safely under medical supervision.

GLP-1 Brands

min read

Is Rybelsus a GLP-1 or SGLT2 Inhibitor?

Rybelsus is a GLP-1 receptor agonist, not an SGLT2 inhibitor. Learn how these two diabetes drug classes differ in mechanism, side effects, and use.

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.

Read erectile dysfunction guides

Erectile Dysfunction

min read

Is Mango Good for Erectile Dysfunction? Evidence and Treatments

Is mango good for erectile dysfunction? Discover what the evidence says about mango's nutrients, polyphenols, and potential vascular benefits, plus proven ED treatments and lifestyle changes recommended by UK clinical guidance.

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Testosterone

min read

How Much Does Testogel Increase Testosterone? UK Guide

How much does Testogel increase testosterone? Discover typical testosterone increases, factors affecting absorption, monitoring requirements, and realistic timelines for symptom improvement with this UK-licensed TRT gel.

How Much Testogel Should a Woman Take? UK Dosing Guide

Testosterone

min read

How Much Testogel Should a Woman Take? UK Dosing Guide

Discover how much Testogel women should take in the UK, including safe dosing guidelines, application techniques, monitoring requirements, and potential side effects. Expert advice on off-label testosterone therapy for low sexual desire in postmenopausal women.

Testosterone

min read

Does Testosterone Treatment Help Lose Weight? Evidence and Guidance

Does testosterone treatment help with weight loss? Discover the evidence on TRT for body composition, who may benefit from testosterone therapy, potential risks, and effective lifestyle alternatives for sustainable weight management in men.

What Does Nadir Mean in Medical and Cancer Treatment Terms?

Supplements

min read

What Does Nadir Mean in Medical and Cancer Treatment Terms?

Discover what nadir means in medical terms and why it matters in cancer treatment. Learn about nadir timing, blood count monitoring, infection risks, and essential safety measures during this critical period after chemotherapy.

Gynaecomastia Only One Side: Causes, Diagnosis and NHS Treatment

Weight Loss

min read

Gynaecomastia Only One Side: Causes, Diagnosis and NHS Treatment

Gynaecomastia only one side: find out why unilateral breast tissue enlargement occurs in men, what causes it, when to see a GP, and how it is diagnosed and treated on the NHS.

Fasting Blood Sugar or HbA1c: NHS Tests, Results & Next Steps

Weight Loss

min read

Fasting Blood Sugar or HbA1c: NHS Tests, Results & Next Steps

Fasting blood sugar or HbA1c — which test is right for you? Understand NHS reference ranges, when each test is used, what your results mean, and next steps under NICE guidance.

How Many Milligrams of Fish Oil Per Day: UK Dosage Guide

Supplements

min read

How Many Milligrams of Fish Oil Per Day: UK Dosage Guide

Discover how many milligrams of fish oil per day you need for optimal health. Learn about EPA and DHA dosages, UK guidance from NHS and EFSA, safety limits, and when supplements may benefit specific conditions.

Erectile Dysfunction

min read

Does Cymbalta Cause Erectile Dysfunction? UK Guide

Does Cymbalta cause erectile dysfunction? Learn about the link between duloxetine and ED, how common this side effect is, risk factors, and practical management strategies including PDE5 inhibitors and lifestyle changes. Expert UK guidance on when to speak with your GP.

Blood Glucose and HbA1c Correlation: A Complete UK Guide

Weight Loss

min read

Blood Glucose and HbA1c Correlation: A Complete UK Guide

Blood glucose and HbA1c correlation explained: understand how the two tests relate, how to convert readings, what affects accuracy, and when to contact your NHS diabetes team.

Does Sildenafil Make You Last Longer in Bed?

Erectile Dysfunction

min read

Does Sildenafil Make You Last Longer in Bed?

Sildenafil treats erectile dysfunction — but does it help you last longer? Learn what the evidence says and what actually works for sexual stamina.

Magnesium for Type 2 Diabetes: Evidence, Dosage and Safety

Weight Loss

min read

Magnesium for Type 2 Diabetes: Evidence, Dosage and Safety

Magnesium for type 2 diabetes: discover how this essential mineral affects blood sugar control, evidence for supplementation, recommended intake, food sources, and crucial safety information for managing diabetes effectively.

Vitamin D Injection: UK Clinical Guidance and Safety Information

Supplements

min read

Vitamin D Injection: UK Clinical Guidance and Safety Information

Discover when vitamin D injections are medically appropriate in the UK, how they work, their benefits over oral supplements, potential side effects, and essential safety information for patients with deficiency or malabsorption disorders.

Best Time to Take NAD+: Timing and Absorption Guide

Supplements

min read

Best Time to Take NAD+: Timing and Absorption Guide

Discover the best time to take NAD+ supplements for optimal absorption. Expert guidance on timing, food intake, dosage considerations, and safety for NAD+ precursors including nicotinamide riboside and NMN in the UK.

Ozempic and Addiction: Evidence, Risks & UK Guidance

GLP-1 Brands

min read

Ozempic and Addiction: Evidence, Risks & UK Guidance

Can Ozempic affect addictive behaviour? Explore the emerging research on GLP-1 drugs, alcohol use, and why it remains unapproved for addiction in the UK.

Retatrutide Injections: Do You Inject Into Fat and How?

GLP-1 Brands

min read

Retatrutide Injections: Do You Inject Into Fat and How?

Do you inject retatrutide into fat? Yes — it's a subcutaneous injection into the fatty tissue beneath the skin. Learn correct technique, injection sites, side effects, and the UK regulatory status of this investigational medicine.

Can You Eat Garlic During Intermittent Fasting? UK Guide

Weight Loss

min read

Can You Eat Garlic During Intermittent Fasting? UK Guide

Can you eat garlic during intermittent fasting? Find out whether garlic breaks a fast, its nutritional impact, health benefits, drug interactions, and UK safety guidance.

Retatrutide Liver Fat Reduction: Evidence, Safety, and UK Regulatory Status

GLP-1 Brands

min read

Retatrutide Liver Fat Reduction: Evidence, Safety, and UK Regulatory Status

Retatrutide liver fat reduction: discover how this investigational triple agonist works, what Phase 2 clinical evidence shows, who may benefit, its safety profile, and current UK regulatory status.

Trulicity Doses Per Pen: UK Dosing Guide

GLP-1 Brands

min read

Trulicity Doses Per Pen: UK Dosing Guide

Learn about Trulicity pen strengths, how to administer your weekly dose, storage tips, and what to do if you miss a dose.

Bolt Guides

Featured

GLP-1 Meaning: What This Hormone Does in Your Body

Weight loss

GLP-1 Meaning: What This Hormone Does in Your Body

Metabolic Rate and Body Temperature: Understanding Their Vital Relationship

Low Energy After Gastric Sleeve: Causes, Nutrition & Recovery Tips

GLP-1 Brands

Wegovy

Mounjaro

Rybelsus and Phentermine Together: UK Safety Guide

How Do You Store Ozempic: Essential Storage Guidelines

Does Rybelsus Make You Feel Full? Appetite Effects Explained

Is Rybelsus a GLP-1 or SGLT2 Inhibitor?

Men’s Health

Testosterone

Erectile dysfunction

Is Mango Good for Erectile Dysfunction? Evidence and Treatments

How Much Does Testogel Increase Testosterone? UK Guide

How Much Testogel Should a Woman Take? UK Dosing Guide

Does Testosterone Treatment Help Lose Weight? Evidence and Guidance

Browse all

What Does Nadir Mean in Medical and Cancer Treatment Terms?

Gynaecomastia Only One Side: Causes, Diagnosis and NHS Treatment

Fasting Blood Sugar or HbA1c: NHS Tests, Results & Next Steps

How Many Milligrams of Fish Oil Per Day: UK Dosage Guide

Does Cymbalta Cause Erectile Dysfunction? UK Guide

Blood Glucose and HbA1c Correlation: A Complete UK Guide

Does Sildenafil Make You Last Longer in Bed?

Magnesium for Type 2 Diabetes: Evidence, Dosage and Safety

Vitamin D Injection: UK Clinical Guidance and Safety Information

Best Time to Take NAD+: Timing and Absorption Guide

Ozempic and Addiction: Evidence, Risks & UK Guidance

Retatrutide Injections: Do You Inject Into Fat and How?

Can You Eat Garlic During Intermittent Fasting? UK Guide

Retatrutide Liver Fat Reduction: Evidence, Safety, and UK Regulatory Status

Trulicity Doses Per Pen: UK Dosing Guide

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