Just Health Life explains health numbers. Not the ones a lab prints, the everyday ones: how many calories your body actually uses, how much protein is enough, what a BMI reading does and does not tell you, when a cycle is late enough to matter. Most of the internet answers those questions with a number and no working. We show the working.
Who this is for
Mostly women in their forties and fifties, because that is where the questions get harder and the general advice stops fitting. A calorie formula built on twenty-year-old men is not much help at 47, and neither is a plan that assumes nothing has changed. Everything here is written with that reader in mind, and everything here is still accurate for anyone else who reads it.
What is on the site
Twenty-four calculators. Calories, protein, BMI and its variants, body fat, waist to hip ratio, heart rate zones, sleep timing, cycle and due dates, blood pressure, A1c, caffeine, and more. Each one names the published formula it uses and lists its sources on the page, so you can check the arithmetic instead of trusting it. They all run in your browser: nothing you type is sent anywhere. Start at the calculator index.
Articles that explain the numbers. Hormones and perimenopause, food and nutrition, weight, fitness, sleep and stress, supplements, skin, and back pain. Each article exists to answer one question properly, with the research cited where the claim is made rather than a reading list at the bottom.
A free plan. The plan quiz turns your answers into calorie and macro targets and emails them to you. There is a paid four-week version for people who want the meals and the shopping lists built out, and the free numbers are the same numbers either way.
How we work
Claims trace to peer-reviewed research, government health agencies, and the major medical bodies, in that order. If we cannot support something from sources like those, it does not go on the site. The full method, including how drafts are produced and how corrections are handled, is in our editorial policy.
Articles carry the byline of the person who wrote them, and the byline links to that author’s profile. We do not invent credentials, we do not add a “medically reviewed by” line to anything, and we do not use stock photographs of doctors to imply an authority we do not have.
What this site is not
It is not medical advice and it is not a diagnosis. Nothing here is reviewed by a clinician for your situation, and a calculator cannot know your history, your medication or your bloodwork. It is a place to understand the general guidance well enough to have a better conversation with someone who can advise you. The limits are set out plainly in our medical disclaimer, and they are worth two minutes before you act on anything.
How the site is paid for
Advertising, and the paid plan. That is the whole list. Advertisers have no say in what we cover or what we conclude, we do not sell placement inside health advice, and we do not take payment for a health claim. Where a link earns a commission it is labelled, as described in our affiliate disclosure. What we do with the data behind all of that is in our privacy policy.
Tell us when we are wrong
A number on this site is either right or it is a bug. If you find one that is wrong, or a source that no longer says what we say it says, write to us through the contact page with the page address. Verified errors are fixed in the article itself, and the update date on the page moves when they are.