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.

Read now

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.

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 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.

Read all on GLP-1 brands

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.

Read now

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.

Best Place to Give Trulicity Shot: UK Injection Site Guide

GLP-1 Brands

min read

Best Place to Give Trulicity Shot: UK Injection Site Guide

Discover the best place to give a Trulicity shot with expert guidance on approved injection sites, rotation techniques, administration steps, and managing side effects. Essential UK advice for safe, comfortable type 2 diabetes treatment.

Hair Loss

min read

Does Gemtesa Cause Hair Loss? Vibegron Side Effects Explained

Does Gemtesa cause hair loss? Find out what clinical evidence and MHRA data say about vibegron and alopecia, its known side effects, and when to speak to your GP.

How Long Does Testogel Take to Absorb? UK Guide

Testosterone

min read

How Long Does Testogel Take to Absorb? UK Guide

How long does Testogel take to absorb? Discover the absorption timeline for testosterone gel, including when you can shower, factors affecting uptake, and signs your treatment is working. Expert UK guidance on safe, effective Testogel use.

GLP-1 Brands

min read

Does Saxenda or Mounjaro Affect Botox?

Wondering if Saxenda or Mounjaro affects Botox results or safety? Learn how to time these treatments and what UK guidance says about combining them.

NAD for Weight Loss: Evidence, Safety and UK Guidance

Supplements

min read

NAD for Weight Loss: Evidence, Safety and UK Guidance

NAD for weight loss: discover what the evidence shows about NAD+ supplements, how they work in metabolism, potential benefits and risks, and UK guidance on their use in weight management.

Hay Fever Allergy Medication: UK Guide to Treatments and Safety

Supplements

min read

Hay Fever Allergy Medication: UK Guide to Treatments and Safety

Hay fever allergy medication explained: discover the best antihistamines, nasal sprays, and eye drops available in the UK, plus safety advice, NHS options, and when to see a GP.

When Does Ozempic Expire? Storage and Shelf Life Guide

GLP-1 Brands

min read

When Does Ozempic Expire? Storage and Shelf Life Guide

Discover when Ozempic expires: unopened pens last until the printed date when refrigerated, but once opened, Ozempic must be used within 6 weeks. Learn essential storage rules, warning signs of degradation, and how to maximise shelf life for safe, effective diabetes management.

Retatrutide on a Bulk: UK Legal Risks, Safety, and Regulated Alternatives

GLP-1 Brands

min read

Retatrutide on a Bulk: UK Legal Risks, Safety, and Regulated Alternatives

Retatrutide on a bulk: understand the serious UK legal risks, MHRA regulations, and safety dangers of buying this unapproved compound online — plus safe, licensed weight management alternatives.

Is a Calorie Deficit Necessary to Lose Weight? The Science Explained

Weight Loss

min read

Is a Calorie Deficit Necessary to Lose Weight? The Science Explained

Is a calorie deficit necessary to lose weight? Discover the science behind energy balance, how hormones and sleep affect weight, and what NHS and NICE guidance recommends for safe, sustainable weight loss.

Saxenda and Myasthenia Gravis: Safety and Clinical Guidance

GLP-1 Brands

min read

Saxenda and Myasthenia Gravis: Safety and Clinical Guidance

Discover essential guidance on Saxenda and myasthenia gravis, including safety considerations, monitoring requirements, and alternative weight management options for patients with this neuromuscular condition.

Why Does Sildenafil Cause Nasal Congestion? Causes and Management

Erectile Dysfunction

min read

Why Does Sildenafil Cause Nasal Congestion? Causes and Management

Discover why sildenafil causes nasal congestion, how common this side effect is, and practical ways to manage it. Expert guidance on when to seek medical advice and alternative treatment options.

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Supplements

min read

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Does canned tuna have omega-3? Discover how much omega-3 is in canned tuna, which varieties offer the most, and why it doesn't count as oily fish under NHS guidance. Learn practical tips for balancing nutrition and safety.

Erectile Dysfunction

min read

Does Turmeric and Ginger Help with Erectile Dysfunction?

Does turmeric and ginger help with erectile dysfunction? Discover what clinical evidence reveals about these popular natural remedies, why they lack proven efficacy for ED, and which evidence-based NHS treatments actually work for erectile dysfunction.

Vitamin D Metabolism: Pathway, Testing and Clinical Implications

Supplements

min read

Vitamin D Metabolism: Pathway, Testing and Clinical Implications

Discover how vitamin D metabolism works, from sunlight synthesis to active hormone production. Learn which conditions disrupt this pathway, UK testing guidelines, and why understanding this process matters for bone health and deficiency prevention.

Naked Whey Protein Powder: Benefits, Safety and Usage Guide

Supplements

min read

Naked Whey Protein Powder: Benefits, Safety and Usage Guide

Discover everything about naked whey protein powder: what it contains, nutritional benefits, potential side effects, and how to use it safely. Expert guidance on this minimalist protein supplement for muscle recovery and dietary protein support.

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

Best Place to Give Trulicity Shot: UK Injection Site Guide

Does Gemtesa Cause Hair Loss? Vibegron Side Effects Explained

How Long Does Testogel Take to Absorb? UK Guide

Does Saxenda or Mounjaro Affect Botox?

NAD for Weight Loss: Evidence, Safety and UK Guidance

Hay Fever Allergy Medication: UK Guide to Treatments and Safety

When Does Ozempic Expire? Storage and Shelf Life Guide

Retatrutide on a Bulk: UK Legal Risks, Safety, and Regulated Alternatives

Is a Calorie Deficit Necessary to Lose Weight? The Science Explained

Saxenda and Myasthenia Gravis: Safety and Clinical Guidance

Why Does Sildenafil Cause Nasal Congestion? Causes and Management

Does Canned Tuna Have Omega-3? UK Guidance and Facts

Does Turmeric and Ginger Help with Erectile Dysfunction?

Vitamin D Metabolism: Pathway, Testing and Clinical Implications

Naked Whey Protein Powder: Benefits, Safety and Usage Guide

Personalized weight management for women