Bolt Guides

Expert insights on weight loss and more.

Featured

How to Order from LillyDirect: UK Alternatives and Safety Guidance

Weight Loss

min read

How to Order from LillyDirect: UK Alternatives and Safety Guidance

How to order from LillyDirect explained — including why the US-only platform is unavailable in the UK and what safe, MHRA-regulated alternatives exist for accessing Mounjaro (tirzepatide) in the UK.

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Weight loss

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Weight Loss

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How to Order from LillyDirect: UK Alternatives and Safety Guidance

Lilly Direct vs LillyDirect Self-Pay: UK Patient Guide

Weight Loss

min read

Lilly Direct vs LillyDirect Self-Pay: UK Patient Guide

Lilly Direct vs LillyDirect self-pay: find out why LillyDirect doesn't operate in the UK, what self-pay options exist for Mounjaro and Zepbound, and how to access Lilly medicines safely through regulated UK providers.

LillyDirect: What It Is and What UK Patients Should Know

Weight Loss

min read

LillyDirect: What It Is and What UK Patients Should Know

LillyDirect is Eli Lilly's US direct-to-patient platform for medicines including tirzepatide. Learn how it works, which conditions it covers, and what UK patients need to know about accessing GLP-1 therapies safely.

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GLP-1 Brands

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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.

Read Mounjaro guides

GLP-1 Brands

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Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide injections explained: learn how this investigational triple agonist is administered in clinical trials, including technique, dosing, storage, and UK safety guidance.

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Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

GLP-1 Brands

min read

Retatrutide: What It Is Made Of and How It Works

Retatrutide is a synthetic triple receptor agonist peptide targeting GLP-1, GIP, and glucagon receptors. Learn how it works, what it's made of, and its current UK regulatory status.

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

GLP-1 Brands

min read

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Feeling cold on retatrutide? Learn why this happens, how common it is in clinical trials, when to seek medical advice, and practical tips to manage cold sensations safely.

Retatrutide in Pill Form: What UK Patients Need to Know

GLP-1 Brands

min read

Retatrutide in Pill Form: What UK Patients Need to Know

Can you get retatrutide in pill form? Find out why no oral version exists yet, how peptide medicines work, and which licensed weight loss treatments are available in the UK right now.

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Men’s Health

Testosterone

Answer all your questions about testosterone.

Read testosterone guides

Erectile dysfunction

Answer all your questions about erectile dysfunction.

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Erectile Dysfunction

min read

Does Rybelsus Cause Erectile Dysfunction?

Rybelsus is not listed as a cause of erectile dysfunction. Explore the UK evidence on semaglutide and sexual health, and how to manage ED with diabetes.

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Testosterone

min read

How to Treat Rash From Testosterone Treatment: Expert Guide

Discover how to treat rash from testosterone treatment with expert guidance on identifying skin reactions, immediate management steps, medical treatments, and prevention strategies to continue TRT safely and comfortably.

Testosterone

min read

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

Does testosterone treatment cause muscle pain? Discover the evidence on muscle discomfort during TRT, including causes, when to seek help, and how to manage symptoms safely. Expert UK guidance for patients and clinicians.

How Much Testogel Should a Man Use? UK Dosage Guide

Testosterone

min read

How Much Testogel Should a Man Use? UK Dosage Guide

How much Testogel should a man use? Discover recommended starting doses, how to adjust treatment based on testosterone levels, proper application techniques, and essential safety guidance for men prescribed this testosterone replacement therapy in the UK.

Can You Take Vitamin D While Pregnant? UK Guidance

Supplements

min read

Can You Take Vitamin D While Pregnant? UK Guidance

Can you take vitamin D while pregnant? Yes—UK guidance recommends all pregnant women take 10 micrograms daily. Discover why vitamin D is essential during pregnancy, recommended dosages, safety information, and how to maintain adequate levels for you and your baby's health.

Is Sudafed an Allergy Medication? UK Guide to Use and Alternatives

Supplements

min read

Is Sudafed an Allergy Medication? UK Guide to Use and Alternatives

Is Sudafed an allergy medication? Discover how Sudafed works for nasal congestion, when to use it for allergies, safer alternatives like antihistamines and nasal sprays, and essential safety advice for UK patients.

Vitamin D & Weight: Evidence, Doses and UK Guidance

Weight Loss

min read

Vitamin D & Weight: Evidence, Doses and UK Guidance

Explore the link between vitamin D and weight, recommended UK doses, and how supplementation fits alongside proven obesity management strategies.

How Long Does It Take for Sildenafil to Peak?

Erectile Dysfunction

min read

How Long Does It Take for Sildenafil to Peak?

Discover how long it takes for sildenafil to peak in your system. Learn about the typical 30–120 minute timeframe, factors affecting absorption, optimal timing strategies, and what to expect at peak concentration for best results with this erectile dysfunction treatment.

Allergy Medications Causing False Positive for Amphetamine: UK Guide

Supplements

min read

Allergy Medications Causing False Positive for Amphetamine: UK Guide

Allergy medications causing a false positive for amphetamine on drug tests explained — find out which antihistamines and decongestants are implicated, how screening works, and what to do if you receive an unexpected result in the UK.

Hair Loss

min read

Female Hair Loss at Temples: Causes, Diagnosis and Treatment

Female hair loss at the temples can have several causes, from traction alopecia to frontal fibrosing alopecia. Discover NHS-aligned advice on causes, diagnosis, and treatment options.

Can a Fatty Liver Cause High Bilirubin? UK Medical Guide

Weight Loss

min read

Can a Fatty Liver Cause High Bilirubin? UK Medical Guide

Can a fatty liver cause high bilirubin? Discover how fatty liver disease affects bilirubin levels, when simple steatosis progresses to cause elevated bilirubin, and what symptoms indicate you should seek medical advice for liver health concerns.

What Does Vitamin B12 Do? Functions & Benefits

Supplements

min read

What Does Vitamin B12 Do? Functions & Benefits

Learn what vitamin B12 does in your body, from red blood cell production to nerve health. Plus, spot deficiency signs and top food sources.

Why Is Uncoupling Protein Targeted in Obesity Treatment Research?

Weight Loss

min read

Why Is Uncoupling Protein Targeted in Obesity Treatment Research?

Discover why uncoupling proteins are targeted in obesity treatment research, how UCP1 affects energy expenditure, and why no UCP-targeted therapies are yet approved in the UK. Evidence-based guidance on safety and current treatments.

Is Chia Seeds Good for Fatty Liver? Evidence and Guidance

Weight Loss

min read

Is Chia Seeds Good for Fatty Liver? Evidence and Guidance

Discover whether chia seeds are good for fatty liver disease. Learn about their nutritional benefits, the current evidence, and how to incorporate them safely into a liver-friendly diet alongside proven lifestyle modifications.

Ozempic & Photosensitivity: UK Clinical Guidance

GLP-1 Brands

min read

Ozempic & Photosensitivity: UK Clinical Guidance

Does Ozempic cause photosensitivity? Explore UK data on semaglutide skin side effects, rashes, and sun sensitivity advice for diabetes patients.

How to Tone Your Body After Gastric Sleeve Surgery

Weight Loss

min read

How to Tone Your Body After Gastric Sleeve Surgery

How to tone your body after gastric sleeve surgery — expert UK guidance on safe exercise timelines, protein intake, managing loose skin, and when to contact your bariatric team.

Hair Loss

min read

Graves' Disease Hair Loss: Causes, Treatment and Regrowth

Graves' disease hair loss explained: why hyperthyroidism causes diffuse shedding, how it's diagnosed, NHS treatment options, and when to expect hair regrowth. Read our expert UK guide.

What Does CoQ10 Do for Your Body? Benefits and Uses

Supplements

min read

What Does CoQ10 Do for Your Body? Benefits and Uses

Discover what CoQ10 does for your body, from supporting heart health to cellular energy production. Learn about benefits, dosage, safety considerations, and who may benefit from this essential compound in UK clinical practice.

Fatty Liver Acupressure Points: Evidence, Safety and Limitations

Weight Loss

min read

Fatty Liver Acupressure Points: Evidence, Safety and Limitations

Discover fatty liver acupressure points used in traditional Chinese medicine, including safe application techniques and evidence limitations. Learn why NICE-recommended lifestyle changes remain essential for managing NAFLD, and when to seek urgent medical care.

Bolt Guides

Featured

How to Order from LillyDirect: UK Alternatives and Safety Guidance

Weight loss

How to Order from LillyDirect: UK Alternatives and Safety Guidance

Lilly Direct vs LillyDirect Self-Pay: UK Patient Guide

LillyDirect: What It Is and What UK Patients Should Know

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Injections: UK Guide to Administration, Dosing, and Safety

Retatrutide: What It Is Made Of and How It Works

Feeling Cold on Retatrutide: Causes, Management, and When to Seek Help

Retatrutide in Pill Form: What UK Patients Need to Know

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

How to Treat Rash From Testosterone Treatment: Expert Guide

Does Testosterone Treatment Cause Muscle Pain? UK Evidence & Guidance

How Much Testogel Should a Man Use? UK Dosage Guide

Browse all

Can You Take Vitamin D While Pregnant? UK Guidance

Is Sudafed an Allergy Medication? UK Guide to Use and Alternatives

Vitamin D & Weight: Evidence, Doses and UK Guidance

How Long Does It Take for Sildenafil to Peak?

Allergy Medications Causing False Positive for Amphetamine: UK Guide

Female Hair Loss at Temples: Causes, Diagnosis and Treatment

Can a Fatty Liver Cause High Bilirubin? UK Medical Guide

What Does Vitamin B12 Do? Functions & Benefits

Why Is Uncoupling Protein Targeted in Obesity Treatment Research?

Is Chia Seeds Good for Fatty Liver? Evidence and Guidance

Ozempic & Photosensitivity: UK Clinical Guidance

How to Tone Your Body After Gastric Sleeve Surgery

Graves' Disease Hair Loss: Causes, Treatment and Regrowth

What Does CoQ10 Do for Your Body? Benefits and Uses

Fatty Liver Acupressure Points: Evidence, Safety and Limitations