Bolt Guides

Expert insights on weight loss and more.

Featured

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.

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Weight loss

Read all on weight loss

Estimated Average Glucose from HbA1c: UK Guide to Your Results

Weight Loss

min read

Estimated Average Glucose from HbA1c: UK Guide to Your Results

Estimated average glucose from HbA1c explained: learn how eAG is calculated, what your result means, UK reference ranges, NICE guidance, and when to contact your GP or diabetes team.

Does Propecia Cause Gynaecomastia? UK Guide to Finasteride and Breast Changes

Weight Loss

min read

Does Propecia Cause Gynaecomastia? UK Guide to Finasteride and Breast Changes

Does Propecia cause gynaecomastia? Learn how finasteride affects hormone levels, how common breast changes are, MHRA guidance, and what to do if you notice symptoms.

Blurred Vision After Gastric Sleeve: Causes, Risks & NHS Guidance

Weight Loss

min read

Blurred Vision After Gastric Sleeve: Causes, Risks & NHS Guidance

Blurred vision after gastric sleeve surgery can signal nutritional deficiencies or metabolic changes. Learn the causes, when to seek urgent help, and how NHS guidance can protect your eyesight.

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

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.

Read now

What to Stack With Retatrutide: UK Safety and Clinical Guidance

GLP-1 Brands

min read

What to Stack With Retatrutide: UK Safety and Clinical Guidance

What to stack with retatrutide? Learn about safety considerations, potential interactions, lifestyle factors, and what UK clinical guidance says about combining this investigational triple receptor agonist with other substances.

Can You Take Trulicity and Toujeo Together for Diabetes?

GLP-1 Brands

min read

Can You Take Trulicity and Toujeo Together for Diabetes?

Can you take Trulicity and Toujeo together? Discover how these two diabetes medications work in combination, safety considerations, dosing guidelines, monitoring requirements, and when to contact your healthcare team for optimal type 2 diabetes management.

Victoza Weight Loss: What the Evidence Shows

GLP-1 Brands

min read

Victoza Weight Loss: What the Evidence Shows

Discover how much weight you can lose on Victoza, what clinical trials show, and when to see your GP. UK evidence-based liraglutide guidance.

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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.

Read erectile dysfunction guides

Erectile Dysfunction

min read

Is Shilajit Good for Erectile Dysfunction? Evidence and Safety

Is shilajit good for erectile dysfunction? Discover what the clinical evidence says, safety concerns to consider, and NHS-recommended treatments for ED that are proven to work.

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Is It OK to Put Testogel on Straight After Shower?

Testosterone

min read

Is It OK to Put Testogel on Straight After Shower?

Is it safe to apply Testogel straight after showering? Discover the optimal timing for testosterone gel application, why skin dryness matters for absorption, and expert tips to maximise treatment efficacy whilst avoiding common mistakes.

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Testosterone

min read

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Find out exactly how many pumps are in a Testogel bottle and how long it will last based on your prescribed dose. Essential UK guidance on testosterone gel dosing, application technique, and safety for effective hormone replacement therapy.

How Long Does Testogel Take to Work? UK Guide

Testosterone

min read

How Long Does Testogel Take to Work? UK Guide

Discover how long Testogel takes to work, from initial absorption to noticeable improvements in energy, libido, and muscle mass. Learn about factors affecting response time, monitoring requirements, and what to expect during testosterone replacement therapy in the UK.

Do Weight Loss Injections Affect Mental Health? UK Evidence and Guidance

Wegovy

min read

Do Weight Loss Injections Affect Mental Health? UK Evidence and Guidance

Do weight loss injections affect mental health? Discover the evidence on GLP-1 medications like Wegovy and Saxenda, reported side effects, who should avoid them, and how to monitor your wellbeing during treatment.

Compression Garments After Gastric Sleeve: UK Recovery Guide

Weight Loss

min read

Compression Garments After Gastric Sleeve: UK Recovery Guide

Compression garments after gastric sleeve surgery: find out when to wear one, how to choose the right fit, potential risks, and what UK clinical guidance says about post-bariatric recovery support.

Meloxicam and Gastric Sleeve: Risks, Guidance, and Safer Alternatives

Weight Loss

min read

Meloxicam and Gastric Sleeve: Risks, Guidance, and Safer Alternatives

Meloxicam and gastric sleeve surgery: understand the risks, MHRA and NICE guidance, and safer pain relief alternatives recommended by UK bariatric programmes.

Signs of Low B12: Symptoms, Diagnosis and Treatment

Supplements

min read

Signs of Low B12: Symptoms, Diagnosis and Treatment

Discover the key signs of low B12, from pins and needles to fatigue and memory problems. Learn who's at risk, how deficiency is diagnosed in the UK, and when to see your GP for assessment and treatment.

How Long Should I Rub Testogel For? Application Guide

Testosterone

min read

How Long Should I Rub Testogel For? Application Guide

How long should you rub Testogel for? Learn the correct application technique for testosterone gel, including spreading time, drying requirements, and common mistakes to avoid for optimal absorption and safety.

Foods Containing Zinc for Vegetarians: Complete UK Guide

Supplements

min read

Foods Containing Zinc for Vegetarians: Complete UK Guide

Discover the best foods containing zinc for vegetarians, from legumes and seeds to whole grains. Learn how much zinc you need daily and practical strategies to boost absorption from plant-based sources for optimal health.

Erectile Dysfunction

min read

Does Cocaine Give You Erectile Dysfunction? Effects and Recovery

Does cocaine give you erectile dysfunction? Discover how cocaine impairs erectile function through vascular, neurological, and psychological mechanisms, evidence on recovery after stopping use, and how to access NHS support for cocaine-related sexual health concerns.

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.

Cod Liver Oil vs Fish Oil: Key Differences and UK Guidance

Supplements

min read

Cod Liver Oil vs Fish Oil: Key Differences and UK Guidance

Cod liver oil vs fish oil: discover the key differences in omega-3 content, vitamins A and D, safety considerations, and which supplement suits your health needs according to UK clinical guidance.

Is Oatmeal Good for a Fatty Liver? Evidence and Guidance

Weight Loss

min read

Is Oatmeal Good for a Fatty Liver? Evidence and Guidance

Is oatmeal good for a fatty liver? Discover how this fibre-rich whole grain supports liver health, improves insulin sensitivity, and fits into an evidence-based dietary plan for managing non-alcoholic fatty liver disease (NAFLD).

Magnesium Daily Intake Dosage: UK Recommendations and Safe Limits

Supplements

min read

Magnesium Daily Intake Dosage: UK Recommendations and Safe Limits

Discover the recommended magnesium daily intake dosage for adults, children, and special populations in the UK. Learn safe upper limits, food sources versus supplements, signs of deficiency, and when to seek medical advice for optimal magnesium status.

OTC Allergy Asthma Medication: UK Guide to Safe Treatment

Supplements

min read

OTC Allergy Asthma Medication: UK Guide to Safe Treatment

OTC allergy asthma medication explained for UK patients — discover which antihistamines and nasal sprays are available without prescription, how to use them safely, and when to see your GP or pharmacist.

Can You Take Trulicity with Kidney Disease? Safety & Guidance

GLP-1 Brands

min read

Can You Take Trulicity with Kidney Disease? Safety & Guidance

Can you take Trulicity with kidney disease? Discover how dulaglutide works safely in CKD patients, dosing guidance, monitoring requirements, and important safety considerations for managing type 2 diabetes with renal impairment.

Where to Inject Saxenda: UK Injection Site Guide

GLP-1 Brands

min read

Where to Inject Saxenda: UK Injection Site Guide

Find out the approved UK injection sites for Saxenda, how to rotate sites correctly, and why the buttocks are not recommended. Clear subcutaneous guidance.

Hair Loss

min read

Can Prednisone Cause Hair Loss? UK Guide to Prednisolone and Alopecia

Can prednisone cause hair loss? Learn what UK prescribing guidance says, how corticosteroids affect hair growth, when to see your GP, and what other conditions or medicines may be responsible.

Bolt Guides

Featured

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

Weight loss

Estimated Average Glucose from HbA1c: UK Guide to Your Results

Does Propecia Cause Gynaecomastia? UK Guide to Finasteride and Breast Changes

Blurred Vision After Gastric Sleeve: Causes, Risks & NHS Guidance

GLP-1 Brands

Wegovy

Mounjaro

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

What to Stack With Retatrutide: UK Safety and Clinical Guidance

Can You Take Trulicity and Toujeo Together for Diabetes?

Victoza Weight Loss: What the Evidence Shows

Men’s Health

Testosterone

Erectile dysfunction

Is Shilajit Good for Erectile Dysfunction? Evidence and Safety

Is It OK to Put Testogel on Straight After Shower?

How Many Pumps in a Testogel Bottle? UK Dosing Guide

How Long Does Testogel Take to Work? UK Guide

Browse all

Do Weight Loss Injections Affect Mental Health? UK Evidence and Guidance

Compression Garments After Gastric Sleeve: UK Recovery Guide

Meloxicam and Gastric Sleeve: Risks, Guidance, and Safer Alternatives

Signs of Low B12: Symptoms, Diagnosis and Treatment

How Long Should I Rub Testogel For? Application Guide

Foods Containing Zinc for Vegetarians: Complete UK Guide

Does Cocaine Give You Erectile Dysfunction? Effects and Recovery

Victoza Side Effects: Does It Cause Joint Pain?

Cod Liver Oil vs Fish Oil: Key Differences and UK Guidance

Is Oatmeal Good for a Fatty Liver? Evidence and Guidance

Magnesium Daily Intake Dosage: UK Recommendations and Safe Limits

OTC Allergy Asthma Medication: UK Guide to Safe Treatment

Can You Take Trulicity with Kidney Disease? Safety & Guidance

Where to Inject Saxenda: UK Injection Site Guide

Can Prednisone Cause Hair Loss? UK Guide to Prednisolone and Alopecia

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