Bolt Guides

Expert insights on weight loss and more.

Featured

Wegovy

min read

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

The Wegovy pill (oral semaglutide) is now MHRA-approved in the UK. Who can take it, the dosing schedule, how to take it, and how it compares with the injection.

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Weight loss

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Weight Loss

min read

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

How alcohol interacts with UK weight loss medications including Wegovy, the oral Wegovy pill, Mysimba and orlistat: key risks and when to seek advice.

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Weight Loss

min read

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Bio-Rad HPLC HbA1c testing explained: how ion-exchange chromatography works, NHS laboratory use, NICE diagnostic thresholds, haemoglobin variant interference, and MHRA compliance guidance.

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Weight Loss

min read

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

Gastric sleeve surgery explained: how sleeve gastrectomy works, NHS eligibility criteria, what to expect before and after surgery, risks, and long-term outcomes. Evidence-based UK guidance.

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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

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Is Rybelsus a good weight loss pill? How oral semaglutide compares to the new Wegovy pill (25 mg), the evidence, side effects, and UK prescribing guidance.

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Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

GLP-1 Brands

min read

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

How much bacteriostatic water to mix with retatrutide — understand reconstitution principles, UK regulatory status, safety risks, and when to seek medical advice before use.

Retatrutide in Pill Form: What UK Patients Need to Know

GLP-1 Brands

min read

Retatrutide in Pill Form: What UK Patients Need to Know

Can you get retatrutide in pill form? Find out why no oral version exists yet, how peptide medicines work, and which licensed weight loss treatments are available in the UK right now.

How to Eat on Retatrutide: UK Dietary and Safety Guide

GLP-1 Brands

min read

How to Eat on Retatrutide: UK Dietary and Safety Guide

How to eat on retatrutide: expert UK dietary guidance covering meal patterns, foods to prioritise, managing nausea, and staying well-nourished during treatment. Read now.

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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

Does Rybelsus Cause Erectile Dysfunction?

Rybelsus is not listed as a cause of erectile dysfunction. Explore the UK evidence on semaglutide and sexual health, and how to manage ED with diabetes.

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Testosterone

min read

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Does testosterone treatment cause hunger? Discover how TRT may influence appetite, the mechanisms involved, and practical strategies to manage hunger changes during testosterone therapy in the UK.

Can Testogel Make You Lethargic? Causes and Management

Testosterone

min read

Can Testogel Make You Lethargic? Causes and Management

Can Testogel make you feel tired? Discover why testosterone replacement therapy may cause lethargy, key warning signs to watch for, and evidence-based strategies to manage fatigue during TRT in the UK.

Testosterone

min read

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Can testosterone treatments cause swollen feet? Discover how TRT affects fluid retention, when to seek medical advice, management strategies, and alternative causes of peripheral oedema during testosterone therapy.

NAD+: What It Does, Benefits & UK Safety Guide

Supplements

min read

NAD+: What It Does, Benefits & UK Safety Guide

Discover what NAD+ does in your cells, how it supports energy and DNA repair, and what UK guidance says about NAD precursor supplements.

Gastric Band and Headaches: Causes, Management, and NHS Advice

Weight Loss

min read

Gastric Band and Headaches: Causes, Management, and NHS Advice

Gastric band and headaches explained: discover the common causes, nutritional factors, red flag symptoms, and NHS-approved management strategies to help you recover safely after LAGB surgery.

Nothing Tastes Good After Gastric Sleeve: Causes and Recovery

Weight Loss

min read

Nothing Tastes Good After Gastric Sleeve: Causes and Recovery

Nothing tastes good after gastric sleeve surgery? Discover why taste changes happen, how long they last, which nutritional deficiencies are involved, and when to contact your bariatric team for support.

Weight Loss

min read

Magnesium Pills Benefits for Weight Loss: What the Evidence Shows

Magnesium pills and weight loss — does the evidence stack up? Explore the metabolic benefits of magnesium, who should consider supplementation, safe UK doses, drug interactions, and NHS guidance on healthy weight management.

Vitamin K and Magnesium: Benefits, Safety, and Interactions

Supplements

min read

Vitamin K and Magnesium: Benefits, Safety, and Interactions

Discover how vitamin K and magnesium work together to support bone health and cardiovascular function. Learn about safe supplementation, food sources, and important interactions with medications like warfarin.

Retatrutide Side Effects and Fertility: What UK Patients Should Know

GLP-1 Brands

min read

Retatrutide Side Effects and Fertility: What UK Patients Should Know

Retatrutide side effects and fertility: discover what clinical trial data reveal about gastrointestinal risks, reproductive health considerations, and UK regulatory status of this investigational triple agonist.

Magnesium Citrate vs Glycinate: Which Supplement Is Right for You?

Supplements

min read

Magnesium Citrate vs Glycinate: Which Supplement Is Right for You?

Magnesium citrate vs glycinate: discover the key differences in absorption, tolerability, and suitability. Expert guidance on choosing the right magnesium supplement for your individual needs and health circumstances.

Does Ozempic Help With ADHD? Facts and Evidence-Based Treatments

GLP-1 Brands

min read

Does Ozempic Help With ADHD? Facts and Evidence-Based Treatments

Does Ozempic help with ADHD? Discover the facts about this diabetes medication, why it's not approved for ADHD treatment, and what evidence-based options are available through the NHS for managing attention deficit hyperactivity disorder safely and effectively.

How Long Does It Take to Get Fatty Liver Disease?

Weight Loss

min read

How Long Does It Take to Get Fatty Liver Disease?

Discover how long it takes to develop fatty liver disease, from weeks with heavy alcohol use to years with metabolic factors. Learn the risk factors, early signs, and evidence-based strategies to prevent or reverse this increasingly common condition affecting one in three UK adults.

Does Ozempic Increase Penis Size? The Evidence

GLP-1 Brands

min read

Does Ozempic Increase Penis Size? The Evidence

No pill or injection physically enlarges the penis. Learn what weight loss on Ozempic actually does — and what the medical evidence really shows.

Calorie Deficit and Menstrual Cycle: Causes, Signs, and Safe Guidance

Weight Loss

min read

Calorie Deficit and Menstrual Cycle: Causes, Signs, and Safe Guidance

Calorie deficit and menstrual cycle changes explained — discover how undereating disrupts hormones, what signs to look for, when to see your GP, and NHS-aligned advice on safe weight management.

Seafood with High Iodine: Best Sources for Thyroid Health

Supplements

min read

Seafood with High Iodine: Best Sources for Thyroid Health

Discover which seafood with high iodine content best supports thyroid health. Expert guidance on cod, haddock, shellfish, daily requirements, and safe consumption for optimal metabolic function in the UK.

Foods to Avoid on Rybelsus: UK Dietary Guidance

GLP-1 Brands

min read

Foods to Avoid on Rybelsus: UK Dietary Guidance

Discover which foods to avoid on Rybelsus to reduce side effects like nausea and bloating. Expert UK guidance on diet, timing, and managing gastrointestinal symptoms with this type 2 diabetes medication.

Does Saxenda Help With Inflammation? UK Clinical Evidence

GLP-1 Brands

min read

Does Saxenda Help With Inflammation? UK Clinical Evidence

Does Saxenda help with inflammation? Discover how this GLP-1 receptor agonist may affect inflammatory markers, the connection between weight loss and inflammation, and what UK clinical evidence reveals about Saxenda's potential anti-inflammatory properties beyond weight management.

Weight Loss

min read

Gastric Band or Bypass: UK Guide to Weight Loss Surgery

Gastric band or bypass — find out how each procedure works, who qualifies on the NHS, what risks to expect, and how weight loss outcomes compare. Expert UK guidance.

Bolt Guides

Featured

Wegovy Pill UK: Approval, Eligibility, Dosing and Safety

Weight loss

Weight Loss Pills and Alcohol: Risks, Interactions and UK Guidance

Bio-Rad HPLC HbA1c Testing: NHS Laboratory Guide and NICE Guidance

Gastric Sleeve Surgery: How It Works, Eligibility and Long-Term Outcomes

GLP-1 Brands

Wegovy

Mounjaro

Rybelsus for Weight Loss: Evidence, Safety, and UK Prescribing Guidance

Retatrutide Bacteriostatic Water Reconstitution: UK Safety Guide

Retatrutide in Pill Form: What UK Patients Need to Know

How to Eat on Retatrutide: UK Dietary and Safety Guide

Men’s Health

Testosterone

Erectile dysfunction

Does Rybelsus Cause Erectile Dysfunction?

Does Testosterone Treatment Cause Hunger? UK Guide to TRT and Appetite

Can Testogel Make You Lethargic? Causes and Management

Can Testosterone Treatments Cause Swollen Feet? UK Guide

Browse all

NAD+: What It Does, Benefits & UK Safety Guide

Gastric Band and Headaches: Causes, Management, and NHS Advice

Nothing Tastes Good After Gastric Sleeve: Causes and Recovery

Magnesium Pills Benefits for Weight Loss: What the Evidence Shows

Vitamin K and Magnesium: Benefits, Safety, and Interactions

Retatrutide Side Effects and Fertility: What UK Patients Should Know

Magnesium Citrate vs Glycinate: Which Supplement Is Right for You?

Does Ozempic Help With ADHD? Facts and Evidence-Based Treatments

How Long Does It Take to Get Fatty Liver Disease?

Does Ozempic Increase Penis Size? The Evidence

Calorie Deficit and Menstrual Cycle: Causes, Signs, and Safe Guidance

Seafood with High Iodine: Best Sources for Thyroid Health

Foods to Avoid on Rybelsus: UK Dietary Guidance

Does Saxenda Help With Inflammation? UK Clinical Evidence

Gastric Band or Bypass: UK Guide to Weight Loss Surgery