Bolt Guides

Expert insights on weight loss and more.

Featured

Retatrutide Side Effects and Libido: What the Evidence Shows

GLP-1 Brands

min read

Retatrutide Side Effects and Libido: What the Evidence Shows

Retatrutide side effects and libido changes explained — discover what Phase 2 trial data reveals, why sexual health effects remain unconfirmed, and when to speak to a UK GP or specialist.

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Weight loss

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Gynaecomastia: What It Looks Like, Causes, and NHS Treatment

Weight Loss

min read

Gynaecomastia: What It Looks Like, Causes, and NHS Treatment

Wondering what gynaecomastia looks like? Learn to recognise the signs — from subareolar swelling to firm disc-like tissue — and understand causes, diagnosis, and NHS treatment options.

What Can You Never Eat Again After Gastric Sleeve Surgery?

Weight Loss

min read

What Can You Never Eat Again After Gastric Sleeve Surgery?

What can you never eat again after gastric sleeve surgery? Discover which foods to avoid, why they cause problems, and essential NHS dietary guidance for long-term health after sleeve gastrectomy.

Low Blood Pressure After Gastric Sleeve: Causes, Symptoms & Management

Weight Loss

min read

Low Blood Pressure After Gastric Sleeve: Causes, Symptoms & Management

Low blood pressure after gastric sleeve surgery — find out why it happens, how to recognise symptoms, when to seek NHS medical advice, and how to manage your medications and recovery safely.

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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.

Read Mounjaro guides

GLP-1 Brands

min read

Retatrutide Side Effects and Libido: What the Evidence Shows

Retatrutide side effects and libido changes explained — discover what Phase 2 trial data reveals, why sexual health effects remain unconfirmed, and when to speak to a UK GP or specialist.

Read now

Retatrutide for Muscle Growth: Evidence, Safety, and UK Availability

GLP-1 Brands

min read

Retatrutide for Muscle Growth: Evidence, Safety, and UK Availability

Retatrutide for muscle growth: find out what the clinical evidence actually shows, its unlicensed status in the UK, safety risks, and NICE-approved alternatives for body composition.

Retatrutide Mechanism of Action: Triple Hormone Receptor Agonist Explained

GLP-1 Brands

min read

Retatrutide Mechanism of Action: Triple Hormone Receptor Agonist Explained

Retatrutide's mechanism of action as a triple hormone receptor agonist explained — how GLP-1, GIP, and glucagon pathways work together, what Phase 2 trials show, and its current UK regulatory status.

Retatrutide and Diarrhoea: Evidence, Frequency, and Safe Management

GLP-1 Brands

min read

Retatrutide and Diarrhoea: Evidence, Frequency, and Safe Management

Does retatrutide cause diarrhoea? Phase 2 trial data confirm it does, especially at higher doses. Learn how common it is, what triggers it, and when to seek medical advice.

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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

Does Silodosin Help with Erectile Dysfunction? UK Medical Facts

Does silodosin help with erectile dysfunction? Discover the facts about this BPH medication, its effects on sexual function, and evidence-based treatments for ED. Essential UK guidance for men's health.

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Can I Use Testogel When I Come Off Steroids? UK Medical Guidance

Testosterone

min read

Can I Use Testogel When I Come Off Steroids? UK Medical Guidance

Can I use Testogel when I come off steroids? Discover why Testogel is generally not recommended immediately after stopping anabolic steroids, when it might be appropriate, and what medical assessment is required. UK guidance on testosterone recovery and safer alternatives explained.

Testosterone

min read

Does Testogel Work for Men with Low Testosterone?

Does Testogel work for men with low testosterone? Discover how this UK-licensed transdermal gel treats hypogonadism, clinical evidence for its effectiveness, expected results timeline, who benefits most, and essential safety considerations for informed treatment decisions.

TRT Side Effects: Does It Affect Flexibility?

Testosterone

min read

TRT Side Effects: Does It Affect Flexibility?

Does TRT affect flexibility? Learn how testosterone replacement therapy impacts muscle and range of motion, plus tips to stay supple.

Cost

min read

Zava Mounjaro Cost: UK Pricing and Service Guide

Discover the cost of Mounjaro through Zava online clinic, including pricing structure, service inclusions, NHS vs private options, and essential clinical considerations for UK patients seeking tirzepatide treatment.

Immunotherapy for Tree Pollen Allergy: Effectiveness vs OTC Medications

Supplements

min read

Immunotherapy for Tree Pollen Allergy: Effectiveness vs OTC Medications

Immunotherapy for tree pollen allergy vs OTC medications — discover how sublingual and injection-based treatments compare to antihistamines and nasal sprays, including NHS access, NICE guidance, and when to seek specialist advice.

Mounjaro

min read

Does Mounjaro Insomnia Go Away? UK Medical Guide

Does Mounjaro insomnia go away? Learn about sleep disturbances with tirzepatide, how long they typically last, and evidence-based strategies to manage sleep problems whilst taking this diabetes and weight management medication.

Fibromyalgia After Gastric Sleeve: Symptoms, Nutrition, and NHS Support

Weight Loss

min read

Fibromyalgia After Gastric Sleeve: Symptoms, Nutrition, and NHS Support

Fibromyalgia after gastric sleeve surgery: understand how sleeve gastrectomy affects symptoms, nutritional risks, medication changes, and NHS support pathways for chronic pain management.

Sources of Omega-3: Best UK Dietary Options and Intake Guidance

Supplements

min read

Sources of Omega-3: Best UK Dietary Options and Intake Guidance

Discover the best sources of omega-3 fatty acids in the UK, from oily fish like salmon and mackerel to plant-based options including flaxseeds and walnuts. Learn how much omega-3 you need daily, NHS recommendations, and guidance for pregnancy, vegetarians, and cardiovascular health.

Symptoms of High Vitamin B12: Causes and When to Seek Help

Supplements

min read

Symptoms of High Vitamin B12: Causes and When to Seek Help

Discover the symptoms of high vitamin B12 levels, why elevated B12 rarely causes direct symptoms, and what underlying conditions may be responsible. Learn when to seek medical advice and how high B12 is investigated and managed in UK clinical practice.

Testosterone

min read

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

Can you take testosterone after prostate cancer treatment? Discover current UK guidance, eligibility criteria, risks and benefits, and essential monitoring requirements for testosterone replacement therapy following prostate cancer.

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Supplements

min read

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Does CoQ10 help joint pain? Discover what the evidence says about coenzyme Q10 for joint health, including dosage, safety, side effects, and how it compares with NHS-recommended treatments for osteoarthritis and inflammatory arthritis.

Does Ozempic Cause Burning Sensation on Skin? UK Guide

GLP-1 Brands

min read

Does Ozempic Cause Burning Sensation on Skin? UK Guide

Does Ozempic cause burning sensation on skin? Discover the facts about semaglutide and skin reactions, including injection site effects, when to seek medical advice, and how to manage discomfort safely.

How Much Should a Calorie Deficit Be? NICE-Aligned UK Guide

Weight Loss

min read

How Much Should a Calorie Deficit Be? NICE-Aligned UK Guide

How much should a calorie deficit be for safe weight loss? Discover NICE-recommended targets, how to calculate your daily calorie needs, and when to seek medical advice.

Advanced Fatty Liver Disease Panel: Tests, Results & Next Steps

Weight Loss

min read

Advanced Fatty Liver Disease Panel: Tests, Results & Next Steps

Discover what an advanced fatty liver disease panel includes, how results are interpreted, and what next steps to take. Learn about UK guidance on fibrosis risk assessment and when specialist referral is needed.

Erectile Dysfunction

min read

Does Weed Cause Erectile Dysfunction?

Can cannabis cause ED? Explore UK medical evidence on how THC may affect erections, blood flow, and sexual performance — plus when to seek NHS advice.

How Many Calories After Gastric Sleeve: NHS-Aligned Recovery Guide

Weight Loss

min read

How Many Calories After Gastric Sleeve: NHS-Aligned Recovery Guide

How many calories after gastric sleeve surgery? Discover NHS-aligned calorie targets for every recovery stage, protein goals, foods to eat and avoid, and when to contact your bariatric team.

Erectile Dysfunction

min read

Does Peroxide Help with Erectile Dysfunction? Evidence and Risks

Does peroxide help with erectile dysfunction? Discover why hydrogen peroxide is not an approved ED treatment, the serious risks it poses, and which evidence-based NHS treatments actually work for erectile dysfunction.

Wegovy and Saxenda Cost: UK NHS vs Private Prices Compared

GLP-1 Brands

min read

Wegovy and Saxenda Cost: UK NHS vs Private Prices Compared

Discover the true cost of Wegovy and Saxenda in the UK. Compare NHS eligibility criteria with private prescription prices, understand what affects treatment costs, and learn which option offers better value for weight management.

Bolt Guides

Featured

Retatrutide Side Effects and Libido: What the Evidence Shows

Weight loss

Gynaecomastia: What It Looks Like, Causes, and NHS Treatment

What Can You Never Eat Again After Gastric Sleeve Surgery?

Low Blood Pressure After Gastric Sleeve: Causes, Symptoms & Management

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Side Effects and Libido: What the Evidence Shows

Retatrutide for Muscle Growth: Evidence, Safety, and UK Availability

Retatrutide Mechanism of Action: Triple Hormone Receptor Agonist Explained

Retatrutide and Diarrhoea: Evidence, Frequency, and Safe Management

Men’s Health

Testosterone

Erectile dysfunction

Does Silodosin Help with Erectile Dysfunction? UK Medical Facts

Can I Use Testogel When I Come Off Steroids? UK Medical Guidance

Does Testogel Work for Men with Low Testosterone?

TRT Side Effects: Does It Affect Flexibility?

Browse all

Zava Mounjaro Cost: UK Pricing and Service Guide

Immunotherapy for Tree Pollen Allergy: Effectiveness vs OTC Medications

Does Mounjaro Insomnia Go Away? UK Medical Guide

Fibromyalgia After Gastric Sleeve: Symptoms, Nutrition, and NHS Support

Sources of Omega-3: Best UK Dietary Options and Intake Guidance

Symptoms of High Vitamin B12: Causes and When to Seek Help

Can You Take Testosterone After Prostate Cancer Treatment? UK Guidance

Does CoQ10 Help Joint Pain? Evidence and UK Guidance

Does Ozempic Cause Burning Sensation on Skin? UK Guide

How Much Should a Calorie Deficit Be? NICE-Aligned UK Guide

Advanced Fatty Liver Disease Panel: Tests, Results & Next Steps

Does Weed Cause Erectile Dysfunction?

How Many Calories After Gastric Sleeve: NHS-Aligned Recovery Guide

Does Peroxide Help with Erectile Dysfunction? Evidence and Risks

Wegovy and Saxenda Cost: UK NHS vs Private Prices Compared

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