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What does the research say?

A plain-language route through studies on keto and health, including the limits, unresolved questions and practical cautions.

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Health Conditions

Keto and Heart Palpitations: Causes and Fixes

A fluttering or racing heart in the first weeks of keto worries a lot of people. Why low-carb eating triggers palpitations, the electrolyte fix that usually settles them, and the symptoms that mean see a doctor.

Health Conditions

Loose Skin After Keto Weight Loss: What Helps

Loose skin worries a lot of people losing weight on keto. What actually causes it, what you can realistically influence, whether collagen and strength training help, and when it is a job for a surgeon rather than patience.

Health Conditions

Keto and the Menopause: Weight, Belly Fat and Honesty

Menopause shifts fat to the middle, slows metabolism and worsens insulin resistance. Where keto genuinely helps, what is mostly anecdotal, how it interacts with HRT and the thyroid, and how to do it sensibly through perimenopause and after.

Health Conditions

Keto and Fertility: What the Evidence Really Shows

What the research on keto and fertility actually supports: strong results in PCOS by lowering insulin, a thinner picture elsewhere, the male fertility question, the nutrients to mind, and the pregnancy caveat.

Health Conditions

Why Is My Blood Sugar High on Keto? The Real Reasons

Cut the carbs, yet your fasting glucose sits higher than you expected? Here is why blood sugar can read high on keto, when it is harmless physiological insulin resistance, and when it is worth a closer look.

Health Conditions

Keto and Gout: Uric Acid, Flares and How to Avoid Them

Does keto cause gout? A ketogenic diet raises uric acid for a few weeks early on, which can trigger a flare in people who are prone. Why it happens, how long it lasts, and how to start without setting off an attack.

Health Conditions

Ketosis vs Ketoacidosis: Is Ketosis Dangerous?

The two words sound almost the same and mean opposite things. What separates harmless nutritional ketosis from dangerous ketoacidosis, why a healthy body cannot slide from one to the other, and who genuinely needs to be careful.

Health Conditions

Keto and Your Gut: Microbiome, Fibre and Constipation

A ketogenic diet changes the gut, for better and worse. An honest look at what happens to the microbiome, why fibre is the real issue, how to handle constipation, and how to do keto in a gut-friendly way.

Health Conditions

Keto and Kidney Stones: The Real Risk and How to Prevent It

Kidney stones are one of the few well-documented physical risks of a ketogenic diet. A look at the evidence, why ketosis raises stone risk, who is most at risk, and the simple measures that largely prevent it.

Health Conditions

Keto and Cholesterol: The Full Picture, Including LDL

The most contested thing about keto is what it does to cholesterol. An honest look at the good (triglycerides, HDL), the complication (rising LDL and ApoB in some people), the lean mass hyper-responder, and why the claim that this is harmless does not hold up.

Health Conditions

Is Keto Safe Long-Term? What the Evidence Actually Says

A balanced, evidence-led look at the long-term safety of a ketogenic diet: what the trials show, what the scary headlines really mean, the genuine concerns to manage, and how to do keto safely for the long haul.

Health Conditions

Keto and Your Medications: The Interactions Worth Knowing

A ketogenic diet is powerful enough to change how some medications behave, sometimes within days. A careful, well-sourced guide to the drugs that need attention, why, and how to start keto safely if you take them.

Research

Keto and Metabolic Syndrome: Several Problems at Once

Metabolic syndrome is a cluster of linked problems, raised blood sugar, blood fats, waist and blood pressure. A look at the review evidence on why a ketogenic diet tends to improve several of them together.

Research

Is Keto Anti-Inflammatory? What the Trials Show

Is keto anti-inflammatory? A meta-analysis of randomised trials found CRP falls on keto, with weaker effects elsewhere. What that means, how long it takes, and the foods that help or hurt.

Research

Keto and Fatty Liver: What a Randomised Trial Found

Fatty liver is driven partly by carbohydrate, so cutting it makes sense. A look at a randomised trial that pitted a low-carb high-fat diet against 5:2 fasting and standard care, and what it really showed.

Research

Keto and Acid Reflux: Can Cutting Carbs Ease GERD?

Does cutting carbs help heartburn and acid reflux? A look at what the studies show, why low-carb eating often calms GERD, when it can make reflux worse, and how to eat to settle it.

Research

Keto and Autism: An Honest Look at the Early Research

The ketogenic diet has been studied as a possible support for some autism symptoms. A measured summary of what the small early studies show, the proposed mechanisms, and why this is firmly preliminary.

Research

Keto and Epilepsy: Does It Work for Seizures?

The ketogenic diet began as an epilepsy treatment. Why it calms seizures, what a recent adult trial found, which people it suits, and how the clinical diets actually differ.

Health Conditions

Keto and Weight-Loss Jabs: Protecting Muscle on GLP-1s

GLP-1 medicines like Ozempic cause a lot of weight loss to come from muscle. A 2025 study looked at whether a ketogenic approach helps protect muscle. Here is what it found, and what it did not.

Research

Keto for Migraines: What the Research Really Shows

Can a ketogenic diet cut migraine attacks? A plain look at the 2024 study, the wider evidence, and how to give keto a fair trial for headaches without confusing keto flu for progress.