Bolt Guides

Expert insights on weight loss and more.

Featured

Weight Loss

min read

Adipex Pill Weight Loss: UK Safety, Risks and Licensed Alternatives

Adipex pill weight loss explained for UK readers: what phentermine is, why it's not licensed in the UK, its risks and side effects, and the NICE-recommended alternatives available through the NHS.

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Weight loss

Read all on weight loss

Weight Loss

min read

Adipex Pill Weight Loss: UK Safety, Risks and Licensed Alternatives

Adipex pill weight loss explained for UK readers: what phentermine is, why it's not licensed in the UK, its risks and side effects, and the NICE-recommended alternatives available through the NHS.

Gastric Sleeve Post-Op Soft Foods: UK Recovery Guide

Weight Loss

min read

Gastric Sleeve Post-Op Soft Foods: UK Recovery Guide

Gastric sleeve post-op soft foods: discover which foods to eat, what to avoid, when to start, and how to meet your nutritional needs safely after sleeve gastrectomy surgery in the UK.

Can You Take DayQuil After Gastric Sleeve Surgery? UK Guide

Weight Loss

min read

Can You Take DayQuil After Gastric Sleeve Surgery? UK Guide

Can you take DayQuil after gastric sleeve surgery? DayQuil is unlicensed in the UK and unsuitable post-bariatric surgery. Discover safer NHS-approved alternatives for cold and flu relief.

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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.

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GLP-1 Brands

min read

Retatrutide Fridge Storage: What You Need to Know

Retatrutide storage in the fridge explained: why no confirmed shelf-life exists yet, correct refrigeration conditions, signs of degradation, and what to do if the product is left out of the fridge.

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Retatrutide Fridge Storage: What You Need to Know

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

GLP-1 Brands

min read

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

Retatrutide peptide vs tesamorelin: understand how these two compounds differ in mechanism, clinical evidence, safety, and UK regulatory status before considering either option.

Gaining Weight on Retatrutide: Causes, Solutions, and When to Seek Help

GLP-1 Brands

min read

Gaining Weight on Retatrutide: Causes, Solutions, and When to Seek Help

Gaining weight on retatrutide? Discover the most common clinical reasons — from fluid retention to metabolic adaptation — plus when to speak to your doctor and lifestyle tips to support treatment.

Best Peptide to Stack With Retatrutide: Risks and UK Alternatives

GLP-1 Brands

min read

Best Peptide to Stack With Retatrutide: Risks and UK Alternatives

Best peptide to stack with retatrutide? The clinical truth is no safe combination exists. Learn why peptide stacking is unproven, what the risks are, and which NHS-approved alternatives are available in the UK.

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Men’s Health

Testosterone

Answer all your questions about testosterone.

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Erectile dysfunction

Answer all your questions about erectile dysfunction.

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Erectile Dysfunction

min read

Ginger Tea for Erectile Dysfunction: What the Evidence Says

Can ginger tea really help with erections? We look at the evidence, explain what actually works for ED, and when to speak to your GP.

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Is Testogel Pump Equivalent to Sachets? UK Dosing Guide

Testosterone

min read

Is Testogel Pump Equivalent to Sachets? UK Dosing Guide

Is Testogel pump equivalent to sachets? Discover the key differences in concentration, dosing and application between Testogel formulations, plus expert guidance on switching safely between testosterone replacement products.

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.

Mounjaro

min read

Does Mounjaro Make Your Pee Yellow? UK Guide

Does Mounjaro make your pee yellow? Discover why urine colour may change whilst taking tirzepatide, when dehydration is a concern, and how to manage side effects safely with expert UK guidance.

Does Sertraline Cause Gynaecomastia? UK Clinical Guide

Weight Loss

min read

Does Sertraline Cause Gynaecomastia? UK Clinical Guide

Does sertraline cause gynaecomastia? Learn about the proposed mechanisms, how rare this association is, when to see your GP, and how to report side effects via the MHRA Yellow Card scheme.

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.

Sildenafil Half-Life: How Long It Stays in Your System

Erectile Dysfunction

min read

Sildenafil Half-Life: How Long It Stays in Your System

Learn how long sildenafil stays in your system, what affects its duration, and when to take it. Clear UK guidance on dosage, timing, and safe use.

How to Boost Metabolism After Menopause: Evidence-Based Strategies

Weight Loss

min read

How to Boost Metabolism After Menopause: Evidence-Based Strategies

Discover evidence-based strategies for how to boost metabolism after menopause. Learn about resistance training, nutrition, sleep, and lifestyle changes that support metabolic health during this transition, with guidance on when to seek medical advice.

Wegovy

min read

Wegovy and Sleep: Effects, Evidence and Management Strategies

Wegovy and sleep: discover how this weight management medication may affect sleep patterns, what the evidence shows, and practical strategies for managing sleep disturbances during treatment.

Omega-3 or DHA: Key Differences and UK Guidance

Supplements

min read

Omega-3 or DHA: Key Differences and UK Guidance

Omega-3 or DHA: which should you choose? Discover the key differences, health benefits, and UK clinical guidance on omega-3 fatty acids and DHA supplementation for heart, brain, and eye health.

Hair Loss

min read

Does Depakote Cause Hair Loss? Valproate Side Effects Explained

Does Depakote cause hair loss? Learn how valproate medicines affect hair growth, how common it is, why it happens, and what UK patients can do to manage it safely.

NAD+ Benefits for Men: Evidence, Safety and Supplementation Guide

Supplements

min read

NAD+ Benefits for Men: Evidence, Safety and Supplementation Guide

Discover NAD+ benefits for men, including metabolic health, physical performance, and cognitive function. Learn about safe supplementation, UK regulations, and evidence-based approaches to maintaining NAD+ levels as you age.

Do Allergy Medications Show Up in Urine Tests? UK Guide

Supplements

min read

Do Allergy Medications Show Up in Urine Tests? UK Guide

Do allergy medications show up in urine tests? Learn which antihistamines can cause false positives, how long they stay in your system, and what to tell your doctor before a drug screen in the UK.

Erectile Dysfunction

min read

Do DHT Blockers Cause Erectile Dysfunction? Evidence and Guidance

Do DHT blockers cause erectile dysfunction? Discover the evidence on finasteride and dutasteride sexual side effects, MHRA warnings, management options, and when to consult your GP about hair loss treatment concerns.

Does NAD Cause Cancer? Evidence and Safety Guidance

Supplements

min read

Does NAD Cause Cancer? Evidence and Safety Guidance

Does NAD cause cancer? Explore the latest evidence on NAD supplements and cancer risk, including safety considerations, theoretical concerns, and when to speak with your GP about NAD precursors like NR and NMN.

Hair Loss

min read

Can Selsun Blue Cause Hair Loss? Evidence, Side Effects, and UK Alternatives

Can Selsun Blue cause hair loss? Explore the evidence on selenium sulphide shampoos, known side effects, hair shedding risks, and safer alternatives available in the UK.

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

Weight Loss

min read

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

Body odour after gastric sleeve surgery explained — discover why ketosis, diet, and metabolic changes affect how you smell, plus practical tips and when to seek medical advice.

Does Ozempic Contain mRNA? Facts About Ingredients and Safety

GLP-1 Brands

min read

Does Ozempic Contain mRNA? Facts About Ingredients and Safety

Does Ozempic contain mRNA? Get the facts about Ozempic's actual ingredients, how it differs from vaccine technology, and what UK regulators confirm about this type 2 diabetes medication.

Bolt Guides

Featured

Adipex Pill Weight Loss: UK Safety, Risks and Licensed Alternatives

Weight loss

Adipex Pill Weight Loss: UK Safety, Risks and Licensed Alternatives

Gastric Sleeve Post-Op Soft Foods: UK Recovery Guide

Can You Take DayQuil After Gastric Sleeve Surgery? UK Guide

GLP-1 Brands

Wegovy

Mounjaro

Retatrutide Fridge Storage: What You Need to Know

Retatrutide Peptide vs Tesamorelin: Mechanisms, Evidence, and UK Availability

Gaining Weight on Retatrutide: Causes, Solutions, and When to Seek Help

Best Peptide to Stack With Retatrutide: Risks and UK Alternatives

Men’s Health

Testosterone

Erectile dysfunction

Ginger Tea for Erectile Dysfunction: What the Evidence Says

Is Testogel Pump Equivalent to Sachets? UK Dosing Guide

Is It OK to Put Testogel on Straight After Shower?

How Many Pumps in a Testogel Bottle? UK Dosing Guide

Browse all

Does Mounjaro Make Your Pee Yellow? UK Guide

Does Sertraline Cause Gynaecomastia? UK Clinical Guide

TRT Side Effects: Does It Affect Flexibility?

Sildenafil Half-Life: How Long It Stays in Your System

How to Boost Metabolism After Menopause: Evidence-Based Strategies

Wegovy and Sleep: Effects, Evidence and Management Strategies

Omega-3 or DHA: Key Differences and UK Guidance

Does Depakote Cause Hair Loss? Valproate Side Effects Explained

NAD+ Benefits for Men: Evidence, Safety and Supplementation Guide

Do Allergy Medications Show Up in Urine Tests? UK Guide

Do DHT Blockers Cause Erectile Dysfunction? Evidence and Guidance

Does NAD Cause Cancer? Evidence and Safety Guidance

Can Selsun Blue Cause Hair Loss? Evidence, Side Effects, and UK Alternatives

Body Odour After Gastric Sleeve Surgery: Causes, Management & When to Seek Help

Does Ozempic Contain mRNA? Facts About Ingredients and Safety

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