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.

GLP-1 and Fertility: What the Evidence Shows

Weight Loss

min read

GLP-1 and Fertility: What the Evidence Shows

Can GLP-1 medications like semaglutide affect your fertility? Explore the evidence on reproductive health, menstrual cycles, and pregnancy planning advice.

Can You Colour Your Hair After Gastric Sleeve Surgery?

Hair Loss

min read

Can You Colour Your Hair After Gastric Sleeve Surgery?

Can you colour your hair after gastric sleeve surgery? Learn when it is safe, how nutritional deficiencies affect hair health, and expert tips for protecting fragile post-op hair.

Does Caffeine Affect Sildenafil? UK Safety Guidance

Erectile Dysfunction

min read

Does Caffeine Affect Sildenafil? UK Safety Guidance

Does caffeine affect sildenafil? Discover whether your coffee or tea consumption interferes with erectile dysfunction medication, plus essential safety guidance on combining caffeine with sildenafil from UK clinical sources.

Weight Loss

min read

Saffron Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Saffron pills for weight loss — do they really work? Explore the clinical evidence, safety risks, drug interactions, and what NHS guidelines recommend instead for effective weight management.

Gastric Sleeve Operation Pensacola: Eligibility, Risks and Recovery

Weight Loss

min read

Gastric Sleeve Operation Pensacola: Eligibility, Risks and Recovery

Gastric sleeve operation in Pensacola explained — eligibility criteria, what to expect before and after surgery, risks, diet, and how to find accredited bariatric services. Read our clinically reviewed guide.

Cannabis and Fatty Liver Disease: Evidence, Risks and UK Guidance

Weight Loss

min read

Cannabis and Fatty Liver Disease: Evidence, Risks and UK Guidance

Discover the latest evidence on cannabis and fatty liver disease, including potential risks, what research shows, and how to discuss cannabis use with your GP. UK-focused guidance for patients with liver conditions.

Does Testogel Build Muscle? Evidence, Risks and Safe Alternatives

Testosterone

min read

Does Testogel Build Muscle? Evidence, Risks and Safe Alternatives

Does Testogel build muscle? Discover the evidence on testosterone replacement therapy, when it's medically appropriate, the risks of misuse, and safe, natural alternatives for muscle development backed by UK clinical guidance.

Ozempic and Smoking Weed: Safety, Risks and Clinical Guidance

GLP-1 Brands

min read

Ozempic and Smoking Weed: Safety, Risks and Clinical Guidance

Is it safe to use Ozempic and smoke weed together? Explore potential risks, effects on blood sugar control, appetite, and essential safety advice for diabetes patients considering cannabis use alongside semaglutide.

Retatrutide Phase 2 NEJM Trial: 48-Week Weight Loss Results Explained

GLP-1 Brands

min read

Retatrutide Phase 2 NEJM Trial: 48-Week Weight Loss Results Explained

Retatrutide phase 2 NEJM trial: discover the 48-week weight loss percentage results, how this triple agonist compares to semaglutide and tirzepatide, and what the findings mean for UK patients.

Hair Loss

min read

Regaine Hair Loss Side Effects: UK Guide to Minoxidil Safety

Regaine hair loss side effects explained for UK patients — from scalp irritation and temporary shedding to serious symptoms requiring urgent care. Includes MHRA guidance, alternatives, and when to see a GP.

How Much Zinc Should I Take: UK Dosage Guide

Supplements

min read

How Much Zinc Should I Take: UK Dosage Guide

Discover how much zinc you should take daily based on UK guidance. Learn about recommended intakes for adults, children, pregnancy, deficiency symptoms, supplement safety, maximum doses, and when to consult your GP about zinc supplementation.

Hair Loss

min read

Normal Hair Loss in the Shower: What's Typical and When to Seek Help

Wondering what's a normal amount of hair loss in the shower? NHS-aligned guidance explains the 50–100 hairs per day rule, what causes increased shedding, and when to see your GP.

Low Blood Sugar Symptoms After Gastric Sleeve: Causes and Management

Weight Loss

min read

Low Blood Sugar Symptoms After Gastric Sleeve: Causes and Management

Low blood sugar symptoms after gastric sleeve surgery explained — causes, warning signs, dietary management, and when to contact your GP or bariatric team. UK clinical guidance.

Can I Take Weight Loss Injections with Levothyroxine Safely?

Wegovy

min read

Can I Take Weight Loss Injections with Levothyroxine Safely?

Can you take weight loss injections with levothyroxine safely? Discover the essential safety considerations, monitoring requirements, and medical guidance for combining thyroid medication with GLP-1 treatments like Wegovy and Saxenda in the UK.

Omega-3 Fatty Acid Daily Dose: UK Recommendations and Guidance

Supplements

min read

Omega-3 Fatty Acid Daily Dose: UK Recommendations and Guidance

Discover the recommended omega-3 fatty acid daily dose in the UK. Learn how much EPA and DHA you need for heart health, safe upper limits, food sources versus supplements, and tailored guidance for pregnancy and specific health conditions.

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

GLP-1 and Fertility: What the Evidence Shows

Can You Colour Your Hair After Gastric Sleeve Surgery?

Does Caffeine Affect Sildenafil? UK Safety Guidance

Saffron Pills for Weight Loss: Evidence, Safety, and NHS Alternatives

Gastric Sleeve Operation Pensacola: Eligibility, Risks and Recovery

Cannabis and Fatty Liver Disease: Evidence, Risks and UK Guidance

Does Testogel Build Muscle? Evidence, Risks and Safe Alternatives

Ozempic and Smoking Weed: Safety, Risks and Clinical Guidance

Retatrutide Phase 2 NEJM Trial: 48-Week Weight Loss Results Explained

Regaine Hair Loss Side Effects: UK Guide to Minoxidil Safety

How Much Zinc Should I Take: UK Dosage Guide

Normal Hair Loss in the Shower: What's Typical and When to Seek Help

Low Blood Sugar Symptoms After Gastric Sleeve: Causes and Management

Can I Take Weight Loss Injections with Levothyroxine Safely?

Omega-3 Fatty Acid Daily Dose: UK Recommendations and Guidance

Personalized weight management for women