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.

How Much Tuna Can You Eat in a Week: UK NHS Guidelines

Supplements

min read

How Much Tuna Can You Eat in a Week: UK NHS Guidelines

How much tuna can you eat in a week? Discover UK NHS and FSA guidelines on safe tuna consumption, mercury levels in fresh versus canned tuna, specific limits for pregnant women and children, and practical portion advice to balance nutritional benefits with safety.

Erectile Dysfunction

min read

Does Venlafaxine Cause Erectile Dysfunction? UK Medical Guide

Does venlafaxine cause erectile dysfunction? Discover how this SNRI antidepressant affects sexual function, evidence-based management strategies, when to consult your GP, and alternative medications with lower sexual side effect profiles.

Hair Loss

min read

Wellbutrin and Hair Loss: UK Evidence, Risks, and What to Do

Wellbutrin and hair loss explained: find out whether bupropion (Zyban) can cause alopecia, how common it is, what the UK evidence says, and what to do if you notice hair shedding during treatment.

Ozempic Effects on the Body: How Semaglutide Works

GLP-1 Brands

min read

Ozempic Effects on the Body: How Semaglutide Works

Discover how Ozempic affects blood sugar, weight & heart health. Learn side effects & safe usage with expert UK guidance.

Exercising on Weight Loss Injections: UK Guide

Wegovy

min read

Exercising on Weight Loss Injections: UK Guide

Exercise safely on GLP-1 medications like Wegovy or Mounjaro. Manage side effects and maximise your results with our expert guidance.

What Will Testogel Do? Benefits, Effects and Safety Guide

Testosterone

min read

What Will Testogel Do? Benefits, Effects and Safety Guide

Discover what Testogel does for men with testosterone deficiency. Learn how this transdermal gel works, expected benefits, timeline of effects, potential side effects, monitoring requirements, and essential safety precautions for testosterone replacement therapy in the UK.

Sildenafil vs Alpha Blockers: Key Differences

Erectile Dysfunction

min read

Sildenafil vs Alpha Blockers: Key Differences

Sildenafil is not an alpha blocker. Learn how PDE5 inhibitors and alpha blockers differ in mechanism, uses, and safety — including doxazosin interactions.

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.

Does Creatine Cause Gynaecomastia? Evidence, Risks, and UK Guidance

Weight Loss

min read

Does Creatine Cause Gynaecomastia? Evidence, Risks, and UK Guidance

Does creatine cause gynaecomastia? Explore the science, current clinical evidence, and UK guidance on creatine's hormonal effects, supplement safety, and when to see your GP.

Retatrutide Dosing: What You Need to Know Before Taking It

GLP-1 Brands

min read

Retatrutide Dosing: What You Need to Know Before Taking It

Wondering how much retatrutide to take? Retatrutide is not yet approved in the UK — find out what the clinical trial data shows, safety risks, and which licensed weight loss treatments are available to you now.

Ozempic and Constipation: Causes & Relief Tips

GLP-1 Brands

min read

Ozempic and Constipation: Causes & Relief Tips

Ozempic can cause constipation in some people. Learn why semaglutide slows gut motility and what you can do to manage bowel changes safely in the UK.

Wegovy

min read

Does Wegovy Cause Diverticulitis?: Exploring GLP-1 Weight Loss Treatments and Potential Side Effects

Does Wegovy cause diverticulitis? Unpack the truth in this myth-busting article, understand potential digestive issues and learn how to mitigate risks.

Does Fatty Liver Cause Insomnia? Evidence and Guidance

Weight Loss

min read

Does Fatty Liver Cause Insomnia? Evidence and Guidance

Does fatty liver cause insomnia? Discover the evidence linking fatty liver disease to sleep problems, what causes insomnia in liver patients, and when to seek medical advice for persistent sleep disturbances.

How to Build Muscle in a Calorie Deficit: UK Evidence-Based Guide

Weight Loss

min read

How to Build Muscle in a Calorie Deficit: UK Evidence-Based Guide

Building muscle in a calorie deficit is possible with the right approach. Discover evidence-based UK guidance on protein intake, resistance training, and safe deficit sizes to achieve body recomposition effectively.

Why Doesn't GLP-1 Work for Me? Causes and Solutions

Weight Loss

min read

Why Doesn't GLP-1 Work for Me? Causes and Solutions

Discover why GLP-1 medications may not work for everyone. Learn about dosing issues, biological factors, lifestyle influences, and what to do if your GLP-1 treatment isn't delivering results for diabetes or weight management.

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

How Much Tuna Can You Eat in a Week: UK NHS Guidelines

Does Venlafaxine Cause Erectile Dysfunction? UK Medical Guide

Wellbutrin and Hair Loss: UK Evidence, Risks, and What to Do

Ozempic Effects on the Body: How Semaglutide Works

Exercising on Weight Loss Injections: UK Guide

What Will Testogel Do? Benefits, Effects and Safety Guide

Sildenafil vs Alpha Blockers: Key Differences

How Long Does Testogel Take to Absorb? UK Guide

Does Creatine Cause Gynaecomastia? Evidence, Risks, and UK Guidance

Retatrutide Dosing: What You Need to Know Before Taking It

Ozempic and Constipation: Causes & Relief Tips

Does Wegovy Cause Diverticulitis?: Exploring GLP-1 Weight Loss Treatments and Potential Side Effects

Does Fatty Liver Cause Insomnia? Evidence and Guidance

How to Build Muscle in a Calorie Deficit: UK Evidence-Based Guide

Why Doesn't GLP-1 Work for Me? Causes and Solutions

Personalized weight management for women