The science behind your score
Your Plate Balance™, and why you can trust the number.
Plate Balance is one honest number, 0 to 100, for how well the food you actually eat is treating your body. Here is exactly how it is built, what research it rests on, and what it does not claim. No black box.
What the number is
Every meal you log gets scored on the things that build health and the things worth dialing back, then blended into a single 0-to-100 score and a plain-language tier. The grade reads your own bloodwork, so the same dinner can be worth a little more to you than to someone else, depending on what your labs say you are working on. A generic wellness score can't do that.
What it measures
It rewards:
Steadies blood sugar, lowers LDL cholesterol, feeds your gut.
The fats in salmon, trout and sardines that help your heart.
Different plants feed a more diverse, healthier gut.
Protects muscle and helps you feel full and steady.
Magnesium, iron, folate, vitamins C and K from real food.
Olive oil, avocado, nuts. The fats research roots for.
And gently dials back: added sugar, ultra-processing, saturated fat, refined carbohydrates, and sodium.
Where the science comes from
We did not invent our own nutrition rules. Plate Balance is built on eating patterns that scientists have already scored and tested against real health outcomes in very large studies, most notably the Alternative Healthy Eating Index (AHEI), plus the DASH and Mediterranean diet patterns and the Dietary Inflammatory Index.
Plate Balance is built on well-evidenced dietary levers, and we keep a running log of new studies so the number stays current:
- Diet quality and healthy aging: Nature Medicine, 2025 (105,000 adults, 30 years).
- Soluble fiber and cholesterol: dose-response meta-analysis of randomized trials, Advances in Nutrition.
- Omega-3s and triglycerides: dose-response meta-analysis, Journal of the American Heart Association, 2023.
- Fiber and blood sugar: systematic review and meta-analysis, Clinical Nutrition, 2025.
- Eating pattern and inflammation (CRP): meta-analysis, Medicine, 2024; umbrella review, Nutrition Reviews, 2025.
- Plant variety and the gut: American Gut Project, mSystems, 2018 (this one is a promising signal, not a promise, and we say so).
What makes it yours, not a copy
The part that is Plate Protocol's own is the personalization. When your labs flag something, we raise the weight of the food that can actually move it. A high LDL result leans your score harder on fiber and comes down more firmly on saturated fat. Raised triglycerides pull omega-3s to the front. When blood sugar runs high, fiber matters more and refined carbs count against you sooner. The shift is deliberately gentle, because good food is good for most people, but it means the score, and the little "why this fits you" note beside it, is speaking to your body in particular.
What we do not claim
Being clear about the limits is part of earning your trust. Plate Balance is a food-quality and food-education score. It points a direction rather than claiming lab-grade precision, and meals you eat out are estimated from a description, so we mark those as estimates. It does not diagnose anything, and it does not replace your doctor. It is the clearest read we can give of whether your everyday eating is pointed the right way for you.
Food education, not medical advice. Talk to your clinician about your numbers.
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