Bolt Guides

Expert insights on weight loss and more.

Featured

Dizzy on a Calorie Deficit: Causes, Remedies and NHS Guidance

Weight Loss

min read

Dizzy on a Calorie Deficit: Causes, Remedies and NHS Guidance

Dizzy on a calorie deficit? Discover the common causes — from dehydration to postural hypotension — plus NHS-aligned tips to reduce dizziness safely and when to see your GP.

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Weight loss

Read all on weight loss

Weight Loss

min read

Dizzy on a Calorie Deficit: Causes, Remedies and NHS Guidance

Dizzy on a calorie deficit? Discover the common causes — from dehydration to postural hypotension — plus NHS-aligned tips to reduce dizziness safely and when to see your GP.

How Long in a Calorie Deficit to See Results: Week-by-Week Guide

Weight Loss

min read

How Long in a Calorie Deficit to See Results: Week-by-Week Guide

How long in a calorie deficit to see results? Most people notice changes within 2–4 weeks. Learn what to expect week by week, safe deficit targets per NHS and NICE guidance, and when to seek professional support.

Is It Okay to Break Your Calorie Deficit for One Day?

Weight Loss

min read

Is It Okay to Break Your Calorie Deficit for One Day?

Is it okay to break your calorie deficit for one day? Learn what really happens to your body, what NHS and NICE guidance says, and how to get back on track without guilt.

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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

Ozempic and Blood Thinners: Safety, Interactions and Monitoring

Can you safely take Ozempic with blood thinners? Discover evidence-based guidance on combining semaglutide with anticoagulants, potential interactions, monitoring requirements, and when to seek medical advice for type 2 diabetes patients.

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Ozempic and Blood Thinners: Safety, Interactions and Monitoring

Is It OK to Take Ozempic a Day Early? UK Guidance

GLP-1 Brands

min read

Is It OK to Take Ozempic a Day Early? UK Guidance

Is it OK to take Ozempic a day early? Discover expert guidance on adjusting your weekly semaglutide injection schedule safely, when to contact your healthcare provider, and how to maintain consistent diabetes treatment for optimal results.

Does Ozempic Give You a Sore Throat? UK Guide

GLP-1 Brands

min read

Does Ozempic Give You a Sore Throat? UK Guide

Does Ozempic give you a sore throat? Discover whether semaglutide causes throat discomfort, explore possible indirect causes like reflux, learn when to seek medical advice, and find practical management strategies for side effects.

Is Gastroparesis from Ozempic Reversible? UK Clinical Guidance

GLP-1 Brands

min read

Is Gastroparesis from Ozempic Reversible? UK Clinical Guidance

Is gastroparesis from Ozempic reversible? Discover evidence-based answers on recovery timelines, symptom management, and when to seek medical advice. UK clinical guidance for patients and healthcare professionals on semaglutide-related gastric effects.

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.

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Erectile Dysfunction

min read

Does Nattokinase Help with Erectile Dysfunction? Evidence Review

Does nattokinase help with erectile dysfunction? Discover what the clinical evidence actually shows about this supplement, its safety considerations, and the proven treatments recommended by NICE for ED.

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How Quickly Does Testogel Work? Timeline and What to Expect

Testosterone

min read

How Quickly Does Testogel Work? Timeline and What to Expect

Discover how quickly Testogel works for testosterone replacement therapy. Learn the timeline for improvements in energy, mood, sexual function, and body composition, plus essential monitoring and safety guidance for UK patients.

Testosterone

min read

How to Treat Rash From Testosterone Treatment: Expert Guide

Discover how to treat rash from testosterone treatment with expert guidance on identifying skin reactions, immediate management steps, medical treatments, and prevention strategies to continue TRT safely and comfortably.

Testosterone

min read

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Can testosterone treatment cause heart palpitations? Discover the cardiovascular effects of TRT, risk factors, warning signs, and when to seek medical advice. Expert guidance on safe monitoring and management during testosterone therapy.

Magnesium Sulfate Side Effects: Symptoms, Risks and Safety

Supplements

min read

Magnesium Sulfate Side Effects: Symptoms, Risks and Safety

Discover magnesium sulfate side effects from mild symptoms like flushing to serious complications including respiratory depression. Learn warning signs, who should avoid it, and how UK healthcare teams monitor safety during treatment.

Hair Loss

min read

Foods That Cause Hair Loss: Diet, Deficiencies, and What the Evidence Shows

Foods that cause hair loss explained — discover which dietary patterns, nutrients, and deficiencies affect hair shedding, plus evidence-based advice aligned with NHS and NICE guidance.

What Happens When You Stop Weight Loss Injections

Wegovy

min read

What Happens When You Stop Weight Loss Injections

Discover what happens when you stop weight loss injections like semaglutide and liraglutide. Learn about appetite changes, weight regain, metabolic effects, and evidence-based strategies to maintain your weight after discontinuing treatment.

Is Cod High in Mercury? UK Safety Guidelines and Comparisons

Supplements

min read

Is Cod High in Mercury? UK Safety Guidelines and Comparisons

Is cod high in mercury? Discover why cod is classified as a low-mercury fish, how it compares to other seafood, and UK safety guidelines for pregnant women, children, and adults seeking nutritious fish options.

Mounjaro

min read

Mounjaro Weight Loss and Alcohol: Safety Guidelines

Can you drink alcohol whilst taking Mounjaro for weight loss? Discover how alcohol affects Mounjaro's effectiveness, potential side effects of combining them, and safe drinking guidelines to support your treatment goals.

When Was Testogel Prescribed: Accessing Your NHS Prescription Records

Testosterone

min read

When Was Testogel Prescribed: Accessing Your NHS Prescription Records

Find out when your Testogel was prescribed using NHS digital services, GP records, and pharmacy histories. Learn about prescription timelines, monitoring requirements, and your legal rights to access testosterone replacement therapy records in the UK.

Sneezing After Eating Following Gastric Sleeve Surgery: Causes and Management

Weight Loss

min read

Sneezing After Eating Following Gastric Sleeve Surgery: Causes and Management

Sneezing after eating following gastric sleeve surgery explained — causes, related symptoms, when to seek help, and practical management tips aligned with NHS and BOMSS guidance.

Testosterone

min read

Does Testosterone Treatment Cause Acne? UK Clinical Guide

Does testosterone treatment cause acne? Discover how testosterone therapy affects skin, why acne develops, how common it is, and evidence-based management strategies recommended by UK clinical guidelines to keep your skin clear during treatment.

Weight Loss

min read

Weight Loss and Yasmin Pills: Benefits, Evidence, and Risks Explained

Weight loss and Yasmin pills explained: discover what the clinical evidence really shows about fluid retention, drospirenone's unique properties, side effects, and when to speak to your GP.

Roles of Fatty Acids: Essential Functions in Human Health

Supplements

min read

Roles of Fatty Acids: Essential Functions in Human Health

Discover the essential roles of fatty acids in human health, from energy provision and cell membrane structure to inflammation regulation and brain function. Learn about omega-3, omega-6, and saturated fats, their dietary sources, and NHS guidance on optimising your fat intake for cardiovascular and metabolic health.

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.

GLP-1 & Libido: Saxenda, Tirzepatide & Sex Drive

GLP-1 Brands

min read

GLP-1 & Libido: Saxenda, Tirzepatide & Sex Drive

Do GLP-1 weight loss drugs affect libido? Explore UK clinical evidence on medicines like Saxenda and tirzepatide, plus when to see your GP.

Mounjaro

min read

Does Mounjaro Affect Oestrogen Levels? UK Medical Guidance

Does Mounjaro affect oestrogen levels? Discover how tirzepatide influences hormones indirectly through weight loss, its impact on contraceptive efficacy, and essential guidance for women. UK medical advice on Mounjaro and hormonal health.

Algae Omega-3 Supplement: Benefits, Dosage and Safety Guide

Supplements

min read

Algae Omega-3 Supplement: Benefits, Dosage and Safety Guide

Discover how algae omega-3 supplements provide vegan EPA and DHA for heart and brain health. Learn about benefits, safe dosing, side effects, and UK guidance on this sustainable fish oil alternative.

Hair Loss

min read

Lithium and Hair Loss: Causes, Frequency, and Management Options

Does lithium cause hair loss? Learn how lithium can trigger alopecia, how common it is, what investigations are needed, and how to manage it safely with NHS guidance.

Bolt Guides

Featured

Dizzy on a Calorie Deficit: Causes, Remedies and NHS Guidance

Weight loss

Dizzy on a Calorie Deficit: Causes, Remedies and NHS Guidance

How Long in a Calorie Deficit to See Results: Week-by-Week Guide

Is It Okay to Break Your Calorie Deficit for One Day?

GLP-1 Brands

Wegovy

Mounjaro

Ozempic and Blood Thinners: Safety, Interactions and Monitoring

Is It OK to Take Ozempic a Day Early? UK Guidance

Does Ozempic Give You a Sore Throat? UK Guide

Is Gastroparesis from Ozempic Reversible? UK Clinical Guidance

Men’s Health

Testosterone

Erectile dysfunction

Does Nattokinase Help with Erectile Dysfunction? Evidence Review

How Quickly Does Testogel Work? Timeline and What to Expect

How to Treat Rash From Testosterone Treatment: Expert Guide

Can Testosterone Treatment Cause Heart Palpitations? UK Guide

Browse all

Magnesium Sulfate Side Effects: Symptoms, Risks and Safety

Foods That Cause Hair Loss: Diet, Deficiencies, and What the Evidence Shows

What Happens When You Stop Weight Loss Injections

Is Cod High in Mercury? UK Safety Guidelines and Comparisons

Mounjaro Weight Loss and Alcohol: Safety Guidelines

When Was Testogel Prescribed: Accessing Your NHS Prescription Records

Sneezing After Eating Following Gastric Sleeve Surgery: Causes and Management

Does Testosterone Treatment Cause Acne? UK Clinical Guide

Weight Loss and Yasmin Pills: Benefits, Evidence, and Risks Explained

Roles of Fatty Acids: Essential Functions in Human Health

Does Testogel Work for Men with Low Testosterone?

GLP-1 & Libido: Saxenda, Tirzepatide & Sex Drive

Does Mounjaro Affect Oestrogen Levels? UK Medical Guidance

Algae Omega-3 Supplement: Benefits, Dosage and Safety Guide

Lithium and Hair Loss: Causes, Frequency, and Management Options

Personalized weight management for women