Bolt Guides

Expert insights on weight loss and more.

Featured

Weight Loss

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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

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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

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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

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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

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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.

Is Fish Oil a Blood Thinner? Effects on Clotting Explained

Supplements

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Is Fish Oil a Blood Thinner? Effects on Clotting Explained

Is fish oil a blood thinner? Discover how omega-3 supplements affect blood clotting, their differences from prescribed anticoagulants, safety considerations for those on warfarin or aspirin, and NHS guidance on fish oil supplementation.

What Bread Is Good for Fatty Liver: UK Clinical Guidance

Weight Loss

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What Bread Is Good for Fatty Liver: UK Clinical Guidance

Discover what bread is good for fatty liver disease. Learn which wholegrain, seeded, and rye breads support liver health, which refined options to avoid, and practical tips for managing hepatic steatosis through informed bread choices aligned with UK guidance.

How Much Testogel Is Absorbed: Absorption Rates and Optimisation

Testosterone

min read

How Much Testogel Is Absorbed: Absorption Rates and Optimisation

Discover how much Testogel is absorbed through the skin, with clinical evidence showing 9–14% systemic absorption. Learn about factors affecting testosterone gel bioavailability, application techniques to optimise absorption, and what to do if absorption seems inadequate. Expert guidance for UK patients.

Testosterone

min read

Testosterone & Anaemia Treatment in the UK Explained

Can testosterone treat anaemia? Discover how it affects red blood cells, when it's considered, and why NHS doctors rarely use it over standard treatments.

Best Time to Take Retatrutide: Morning or Night Explained

GLP-1 Brands

min read

Best Time to Take Retatrutide: Morning or Night Explained

Best time to take retatrutide — morning or night? Explore the evidence, side effect management tips, and UK clinical guidance for this investigational once-weekly injectable therapy.

Omega-3 Fish Oil Side Effects: UK Medical Guide

Supplements

min read

Omega-3 Fish Oil Side Effects: UK Medical Guide

Discover the common and serious omega-3 fish oil side effects, including gastrointestinal issues, bleeding risks, and allergic reactions. Learn who should avoid fish oil supplements and how to minimise side effects with practical UK medical guidance.

Almond Benefits for Men: Do They Help With ED?

Erectile Dysfunction

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Almond Benefits for Men: Do They Help With ED?

Almonds offer real nutritional benefits for men, but do they help with erectile dysfunction? Explore the UK evidence on diet, vascular health, and ED.

Hair Loss

min read

Gastric Band Hair Loss: Causes, Nutrition, and Recovery

Gastric band hair loss explained: causes, nutritional deficiencies, and evidence-based management strategies. Learn when to contact your NHS bariatric team and how to support recovery.

Weight Loss

min read

Menopause Weight Loss Pills: What UK Evidence and NHS Guidance Says

Menopause weight loss pills — what does the evidence say? Discover what NICE and NHS guidance recommends, how HRT and lifestyle changes compare to prescription medicines, and when to see your GP.

Allergy Medication While on the Butrans Patch: UK Safety Guide

Supplements

min read

Allergy Medication While on the Butrans Patch: UK Safety Guide

Allergy medication while on the Butrans patch — find out which antihistamines are safer, which interactions to avoid, and when to consult your GP or pharmacist. UK-focused, NHS-aligned guidance.

Can You Take Expired Trulicity? Safety and Effectiveness Explained

GLP-1 Brands

min read

Can You Take Expired Trulicity? Safety and Effectiveness Explained

Can you take expired Trulicity? Discover why expired dulaglutide should never be used, the risks to your diabetes control, proper storage guidelines, and what to do if your medication has expired. Essential UK guidance for safe diabetes management.

Does Magnesium Help You Lose Weight? Evidence and Safety

Supplements

min read

Does Magnesium Help You Lose Weight? Evidence and Safety

Does magnesium help you lose weight? Discover what the evidence says about magnesium supplementation for weight loss, including safety, metabolic effects, and UK guidance on this essential mineral.

What's My Calorie Deficit? Safe Calculation Guide

Weight Loss

min read

What's My Calorie Deficit? Safe Calculation Guide

Discover what your calorie deficit should be for safe, sustainable weight loss. Learn how to calculate your personal deficit using NHS-recommended methods, understand safe ranges, and identify factors affecting your individual needs. Evidence-based guidance for UK adults.

Best Natural Allergy Medication: Evidence, Safety, and UK Guidance

Supplements

min read

Best Natural Allergy Medication: Evidence, Safety, and UK Guidance

Best natural allergy medication options reviewed with UK clinical evidence — discover which remedies may help hay fever and rhinitis symptoms, safety considerations, and when to see your GP.

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.

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

Is Fish Oil a Blood Thinner? Effects on Clotting Explained

What Bread Is Good for Fatty Liver: UK Clinical Guidance

How Much Testogel Is Absorbed: Absorption Rates and Optimisation

Testosterone & Anaemia Treatment in the UK Explained

Best Time to Take Retatrutide: Morning or Night Explained

Omega-3 Fish Oil Side Effects: UK Medical Guide

Almond Benefits for Men: Do They Help With ED?

Gastric Band Hair Loss: Causes, Nutrition, and Recovery

Menopause Weight Loss Pills: What UK Evidence and NHS Guidance Says

Allergy Medication While on the Butrans Patch: UK Safety Guide

Can You Take Expired Trulicity? Safety and Effectiveness Explained

Does Magnesium Help You Lose Weight? Evidence and Safety

What's My Calorie Deficit? Safe Calculation Guide

Best Natural Allergy Medication: Evidence, Safety, and UK Guidance

Does NAD Cause Cancer? Evidence and Safety Guidance

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