Bolt Guides

Expert insights on weight loss and more.

Featured

Mounjaro

min read

Mounjaro and Joint Pain: Evidence, Causes and Management

Concerned about Mounjaro and joint pain? Discover what clinical evidence shows, why joint discomfort may occur during tirzepatide treatment, and when to seek medical advice for musculoskeletal symptoms whilst managing type 2 diabetes.

Read now

Weight loss

Read all on weight loss

Best Time to Take GLP-1: Morning or Night? (UK Guide)

Weight Loss

min read

Best Time to Take GLP-1: Morning or Night? (UK Guide)

Find the best time to take your GLP-1 shot or supplement. Evidence-based timing guidance for semaglutide, retatrutide & more to reduce side effects.

Does GLP-1 Make You Pee More? Causes & What to Know

Weight Loss

min read

Does GLP-1 Make You Pee More? Causes & What to Know

Find out why Ozempic, Mounjaro, Wegovy and other GLP-1s may increase urination. Learn the causes, when to worry, and how to manage it.

Which GLP-1 Has Less Nausea: Comparing Tolerability

Weight Loss

min read

Which GLP-1 Has Less Nausea: Comparing Tolerability

Which GLP-1 has less nausea? Compare nausea rates across semaglutide, dulaglutide, liraglutide, exenatide and tirzepatide. Evidence-based guidance on tolerability, practical strategies to reduce nausea, and when to seek medical advice for GLP-1 receptor agonist therapy.

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

Restarting Ozempic After Surgery: When & How to Resume

Learn when to safely restart Ozempic after surgery, how to resume treatment after 1-4 weeks off, and what to expect when restarting GLP-1 therapy.

Read now

Restarting Ozempic After Surgery: When & How to Resume

Accidentally Took Two Rybelsus: What to Do and How to Stay Safe

GLP-1 Brands

min read

Accidentally Took Two Rybelsus: What to Do and How to Stay Safe

Accidentally took two Rybelsus tablets? Learn what to do immediately, which symptoms require medical attention, how to manage side effects, and practical tips to prevent future medication errors with semaglutide.

Ozempic and Hiatal Hernia: Management and Safety Guidance

GLP-1 Brands

min read

Ozempic and Hiatal Hernia: Management and Safety Guidance

Ozempic and hiatal hernia: understand how this diabetes medication may affect digestive symptoms, practical management tips for patients with hiatal hernia, and when to seek medical advice for safe, effective treatment.

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

GLP-1 Brands

min read

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

Does Ozempic cause numbness and tingling? Discover the indirect mechanisms that may explain paraesthesia during treatment, when to seek medical advice, and how to manage symptoms effectively with UK clinical guidance.

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

Erectile Dysfunction

min read

Best Nitric Oxide Supplement for Erectile Dysfunction: UK Evidence Review

Discover which nitric oxide supplements may help erectile dysfunction, including L-arginine, L-citrulline, and beetroot extract. Learn about the evidence, safety considerations, and when to see your GP for proven NHS treatments for ED.

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

Testosterone & Anaemia Treatment in the UK Explained

Can testosterone treat anaemia? Discover how it affects red blood cells, when it's considered, and why NHS doctors rarely use it over standard treatments.

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Supplements

min read

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Astelin prescription allergy medication (azelastine nasal spray) explained: how it works, UK prescribing guidance, dosing, side effects, drug interactions, and NHS alternatives for allergic rhinitis.

Hair Loss

min read

Non-Scarring Hair Loss: Causes, Treatments, and NHS Guidance

Non-scarring hair loss explained: causes, NHS and private treatments, when to see a GP, and expert guidance on androgenetic alopecia, telogen effluvium, and alopecia areata.

How to Avoid Ozempic Butt: Evidence-Based Strategies

GLP-1 Brands

min read

How to Avoid Ozempic Butt: Evidence-Based Strategies

Discover evidence-based strategies to avoid Ozempic butt during semaglutide treatment. Learn how resistance training, protein intake, and gradual weight loss preserve gluteal volume whilst achieving your weight management goals safely.

Hair Loss

min read

Can Ponytails Cause Hair Loss? Traction Alopecia Explained

Can ponytails cause hair loss? Learn how tight hairstyles lead to traction alopecia, who is most at risk, early warning signs, and expert tips to protect your hair and scalp health.

Vitamin D in Oily Fish: Sources, Amounts and Benefits

Supplements

min read

Vitamin D in Oily Fish: Sources, Amounts and Benefits

Discover how vitamin D in oily fish can help meet your daily requirements. Learn which species contain the most, how much you need, and who should prioritise oily fish for optimal vitamin D intake in the UK.

Hair Loss

min read

Hormone Problems and Hair Loss: Causes, Tests and UK Treatments

Hormone problems causing hair loss? Learn how PCOS, thyroid disorders, menopause and other hormonal imbalances trigger thinning, plus NHS tests, treatments and when to see your GP.

B12 Iron Deficiency Nails: Signs, Testing and Treatment

Supplements

min read

B12 Iron Deficiency Nails: Signs, Testing and Treatment

Discover how B12 and iron deficiency affect your nails, causing brittleness, spoon-shaped changes, and discolouration. Learn to recognise deficiency signs, understand NHS testing options, and find effective treatments to restore nail health through proper nutrition and supplementation.

Weight Loss

min read

Does GLP-1 Make You Pee More? Causes & What to Know

Find out why Ozempic, Mounjaro, Wegovy and other GLP-1s may increase urination. Learn the causes, when to worry, and how to manage it.

What Is Metabolism? Definition, Biology & How It Works

Weight Loss

min read

What Is Metabolism? Definition, Biology & How It Works

Learn what metabolism means in biology, how catabolism and anabolism work, and what affects your metabolic rate.

Testosterone

min read

Testosterone & Anaemia Treatment in the UK Explained

Can testosterone treat anaemia? Discover how it affects red blood cells, when it's considered, and why NHS doctors rarely use it over standard treatments.

Incretins Role in Pregnancy: Safety and UK Guidance

Weight Loss

min read

Incretins Role in Pregnancy: Safety and UK Guidance

Discover the incretins role in pregnancy, including safety concerns, UK guidance, and why GLP-1 receptor agonists and DPP-4 inhibitors are not recommended during pregnancy. Learn about pregnancy-safe diabetes treatment alternatives.

Can Silymarin Treat Fatty Liver? Evidence and UK Guidance

Weight Loss

min read

Can Silymarin Treat Fatty Liver? Evidence and UK Guidance

Can silymarin treat fatty liver? Explore the evidence on milk thistle extract for NAFLD, including mechanisms, clinical studies, UK guidance, safety considerations, and why lifestyle modification remains the primary treatment. Expert medical review.

Weight Loss

min read

Incretin Mimetics for Weight Loss: UK Guide to GLP-1 Treatments

Discover how incretin mimetics for weight loss work, which treatments are available on the NHS, eligibility criteria, side effects, and why lifestyle changes remain essential for long-term success.

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.

Can You Eat Calamari When Pregnant? NHS Safety Guidance

Supplements

min read

Can You Eat Calamari When Pregnant? NHS Safety Guidance

Can you eat calamari when pregnant? Discover NHS guidance on safely enjoying calamari during pregnancy, including nutritional benefits, mercury levels, proper cooking methods, and essential food safety tips for expectant mothers.

Bolt Guides

Featured

Mounjaro and Joint Pain: Evidence, Causes and Management

Weight loss

Best Time to Take GLP-1: Morning or Night? (UK Guide)

Does GLP-1 Make You Pee More? Causes & What to Know

Which GLP-1 Has Less Nausea: Comparing Tolerability

GLP-1 Brands

Wegovy

Mounjaro

Restarting Ozempic After Surgery: When & How to Resume

Accidentally Took Two Rybelsus: What to Do and How to Stay Safe

Ozempic and Hiatal Hernia: Management and Safety Guidance

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

Men’s Health

Testosterone

Erectile dysfunction

Best Nitric Oxide Supplement for Erectile Dysfunction: UK Evidence Review

Can Testosterone Cause Gynaecomastia? Symptoms, Risks & NHS Treatment

Testosterone Booster for Gynaecomastia: Evidence, Risks and UK Treatment Options

Testosterone & Anaemia Treatment in the UK Explained

Browse all

Astelin Prescription Allergy Medication: UK Guide to Azelastine Nasal Spray

Non-Scarring Hair Loss: Causes, Treatments, and NHS Guidance

How to Avoid Ozempic Butt: Evidence-Based Strategies

Can Ponytails Cause Hair Loss? Traction Alopecia Explained

Vitamin D in Oily Fish: Sources, Amounts and Benefits

Hormone Problems and Hair Loss: Causes, Tests and UK Treatments

B12 Iron Deficiency Nails: Signs, Testing and Treatment

Does GLP-1 Make You Pee More? Causes & What to Know

What Is Metabolism? Definition, Biology & How It Works

Testosterone & Anaemia Treatment in the UK Explained

Incretins Role in Pregnancy: Safety and UK Guidance

Can Silymarin Treat Fatty Liver? Evidence and UK Guidance

Incretin Mimetics for Weight Loss: UK Guide to GLP-1 Treatments

Magnesium for Type 2 Diabetes: Evidence, Dosage and Safety

Can You Eat Calamari When Pregnant? NHS Safety Guidance

Personalized weight management for women