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

Read all on weight loss

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.

Read Wegovy guides

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.

Oily Fish Omega-3 Fatty Acids: Benefits, Sources and NHS Guidance

Supplements

min read

Oily Fish Omega-3 Fatty Acids: Benefits, Sources and NHS Guidance

Discover which oily fish contain the most omega-3 fatty acids, how much to eat weekly, and the evidence-based health benefits of EPA and DHA. Essential NHS guidance for all ages.

Acupressure Points for Gynaecomastia: Evidence, NHS Treatments and Safety

Weight Loss

min read

Acupressure Points for Gynaecomastia: Evidence, NHS Treatments and Safety

Acupressure points for gynaecomastia: find out what the evidence really shows, which NHS-recognised treatments are available, and when to see a GP about male breast tissue changes.

Obese Body Odour Treatment: Medical Options and Management

Weight Loss

min read

Obese Body Odour Treatment: Medical Options and Management

Discover effective obese body odour treatment options including medical interventions, antiperspirants, hygiene practices, and when to see your GP. Evidence-based UK guidance for managing body odour in obesity.

Tummy Tuck After Gastric Sleeve: UK Patient Guide to Abdominoplasty

Weight Loss

min read

Tummy Tuck After Gastric Sleeve: UK Patient Guide to Abdominoplasty

Tummy tuck after gastric sleeve: find out when to consider abdominoplasty, NHS funding criteria, UK private costs, risks, and recovery in this expert UK patient guide.

Can Fatty Liver Cause Hepatic Encephalopathy? UK Guide

Weight Loss

min read

Can Fatty Liver Cause Hepatic Encephalopathy? UK Guide

Can fatty liver cause hepatic encephalopathy? Discover how fatty liver disease progresses to serious complications, recognise early warning signs, and learn about NHS treatment options to protect your liver health and prevent neurological symptoms.

Should I Take Magnesium in the Morning or at Night?

Supplements

min read

Should I Take Magnesium in the Morning or at Night?

Should you take magnesium in the morning or at night? Discover how timing affects absorption, tolerability, and benefits. Expert UK guidance on choosing the right time for your magnesium supplement based on formulation and individual needs.

Hair Loss

min read

Vitamin B Complex and Hair Loss: Causes, Evidence, and UK Guidance

Vitamin B complex and hair loss explained: discover which B vitamin deficiencies cause hair shedding, who is most at risk in the UK, what the evidence says about supplementation, and when to see a GP.

Daily Value of B12: UK Recommendations and Requirements

Supplements

min read

Daily Value of B12: UK Recommendations and Requirements

Discover the daily value of B12 for adults, children, and special populations. Learn UK recommendations, dietary sources, deficiency symptoms, and when supplementation is necessary for optimal health.

Wegovy

min read

Can Wegovy Cause Ovarian Cysts? Evidence and Guidance

Can Wegovy cause ovarian cysts? Discover what the clinical evidence shows about semaglutide and ovarian health, recognised side effects in women, and when to seek medical advice whilst taking this weight management medication.

Weight Loss

min read

Is Alli a Good Weight Loss Pill? UK Evidence and Safety Guide

Is Alli a good weight loss pill? Discover how orlistat 60 mg works, what the clinical evidence shows, who it suits, side effects, drug interactions, and UK safety guidance.

Testosterone

min read

Can Testosterone Treatment Cause Skin Discolouration? UK Guide

Can testosterone treatment cause skin discolouration? Discover the dermatological side effects of testosterone therapy, including application site reactions, post-inflammatory hyperpigmentation, and when to seek medical advice for skin changes during TRT.

How Much Is Too Much Tuna Fish? NHS Safe Consumption Guidelines

Supplements

min read

How Much Is Too Much Tuna Fish? NHS Safe Consumption Guidelines

How much is too much tuna fish? Discover NHS guidelines on safe tuna consumption, mercury risks, recommended weekly limits for adults and pregnant women, symptoms of excessive intake, and low-mercury fish alternatives for a healthy diet.

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.

Dermal Fillers for Ozempic Face: Restore Lost Volume

GLP-1 Brands

min read

Dermal Fillers for Ozempic Face: Restore Lost Volume

Lost facial volume after semaglutide or tirzepatide? Learn how dermal fillers can restore cheeks, temples & hollows — plus safety info and alternatives.

B12 Deficiency and HbA1c: How It Affects Diabetes Testing

Weight Loss

min read

B12 Deficiency and HbA1c: How It Affects Diabetes Testing

B12 deficiency and HbA1c: find out how low B12 affects the accuracy of your diabetes blood test, who is most at risk, and what UK guidance recommends instead.

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

Oily Fish Omega-3 Fatty Acids: Benefits, Sources and NHS Guidance

Acupressure Points for Gynaecomastia: Evidence, NHS Treatments and Safety

Obese Body Odour Treatment: Medical Options and Management

Tummy Tuck After Gastric Sleeve: UK Patient Guide to Abdominoplasty

Can Fatty Liver Cause Hepatic Encephalopathy? UK Guide

Should I Take Magnesium in the Morning or at Night?

Vitamin B Complex and Hair Loss: Causes, Evidence, and UK Guidance

Daily Value of B12: UK Recommendations and Requirements

Can Wegovy Cause Ovarian Cysts? Evidence and Guidance

Is Alli a Good Weight Loss Pill? UK Evidence and Safety Guide

Can Testosterone Treatment Cause Skin Discolouration? UK Guide

How Much Is Too Much Tuna Fish? NHS Safe Consumption Guidelines

Does Ozempic Cause Numbness and Tingling? UK Clinical Guidance

Dermal Fillers for Ozempic Face: Restore Lost Volume

B12 Deficiency and HbA1c: How It Affects Diabetes Testing

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