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Feast resource library
Methods you can inspect. Guides you can use.
See where nutrition numbers come from, how to interpret an estimate, and how Feast keeps product and evidence claims inside their boundaries.
Separate a source serving, a portion range, and your actual plate.
Review standards and a public path for reporting an error.
All resources
Read the methods behind the product and library
26 reviewed resources are currently published.
Practical nutrition guide
How Feast builds its food and meal nutrition pages
The source, serving math, rounding, ranges, and limitations behind Feast's searchable nutrition reference pages.
Read the guide: How Feast builds its food and meal nutrition pages Practical nutrition guide
How to interpret a Feast meal estimate
A transparent model of visible evidence, user context, reference foods, portions, and unresolved uncertainty.
Read the guide: How to interpret a Feast meal estimate Practical nutrition guide
How to evaluate a nutrition citation
A short checklist for deciding whether a source actually supports the claim beside it.
Read the guide: How to evaluate a nutrition citation Practical nutrition guide
Uncertainty, ranges, and rounding in nutrition estimates
Why a responsible estimate can be specific enough to use without pretending to be exact.
Read the guide: Uncertainty, ranges, and rounding in nutrition estimates Practical nutrition guide
How to take a more informative meal photo
Capture the whole plate, resolve occlusion, and add context without turning lunch into a photo shoot.
Read the guide: How to take a more informative meal photo Practical nutrition guide
A 60-second Feast meal correction checklist
Fix the few inputs most likely to change a nutrition estimate before saving the record.
Read the guide: A 60-second Feast meal correction checklist Practical nutrition guide
How to interpret nutrient totals without overreacting
Use meal-level estimates as context for patterns, not as moral scores or standalone diagnoses.
Read the guide: How to interpret nutrient totals without overreacting Practical nutrition guide
How Feast explores nutrition and sleep patterns
Matched nights, exploratory statistics, confounders, multiple testing, and the boundary between association and causation.
Read the guide: How Feast explores nutrition and sleep patterns Practical nutrition guide
Plan a cautious personal nutrition experiment
Turn an observed pattern into a small test without mistaking self-tracking for a clinical trial.
Read the guide: Plan a cautious personal nutrition experiment Practical nutrition guide
How to estimate meal calories without a food scale
A practical component-by-component method for estimating an unweighed meal while keeping portions, cooking fat, and uncertainty explicit.
Read the guide: How to estimate meal calories without a food scale Practical nutrition guide
How to calculate calories from a Nutrition Facts label
Scale labeled calories and nutrients to the amount you actually ate, including multi-serving packages and foods measured in grams.
Read the guide: How to calculate calories from a Nutrition Facts label Practical nutrition guide
Serving size vs. portion size: a practical guide
Learn why a labeled serving is a reference amount, a portion is what you choose or receive, and the two must be aligned before comparing nutrition.
Read the guide: Serving size vs. portion size: a practical guide Practical nutrition guide
How to estimate calories in a mixed dish
Estimate bowls, casseroles, curries, stews, pasta dishes, and other mixed meals using the best available recipe or component evidence.
Read the guide: How to estimate calories in a mixed dish Practical nutrition guide
How to estimate calories in a restaurant meal
Use menu nutrition when available, then adjust for the portion served, customizations, shared items, sauces, and leftovers.
Read the guide: How to estimate calories in a restaurant meal Practical nutrition guide
How to calculate recipe calories per serving
Turn ingredient labels or food-composition records into a whole-recipe total, measure the finished yield, and divide by the portion actually eaten.
Read the guide: How to calculate recipe calories per serving Practical nutrition guide
Raw vs. cooked food weights: how to log them correctly
Avoid a common tracking error by matching the weight you measured with a nutrition reference for the same raw, cooked, drained, or prepared state.
Read the guide: Raw vs. cooked food weights: how to log them correctly Practical nutrition guide
How to estimate protein in a meal
Estimate meal protein from labeled foods, USDA references, and portions without confusing protein grams with the size of a protein-food serving.
Read the guide: How to estimate protein in a meal Practical nutrition guide
How to track fiber in meals without false precision
Use labels and matching food records to estimate dietary fiber across meals while accounting for portions, recipes, and incomplete database fields.
Read the guide: How to track fiber in meals without false precision Practical nutrition guide
How to estimate sodium in a meal
Track sodium from labels, restaurant information, and recipe ingredients while accounting for serving size, sauces, brines, and prepared-food variation.
Read the guide: How to estimate sodium in a meal Practical nutrition guide
How to track added sugar vs. total sugar
Read the Nutrition Facts label correctly, scale both fields to the amount eaten, and avoid guessing added sugar from an unlabeled meal.
Read the guide: How to track added sugar vs. total sugar Practical nutrition guide
How to build a food log that is useful later
Capture meal boundaries, portions, preparation, and context with enough consistency to answer a real question—without demanding perfect records.
Read the guide: How to build a food log that is useful later Practical nutrition guide
How to work with an incomplete food log
Identify missing meals and selectively logged days before calculating averages or drawing conclusions from a nutrition record.
Read the guide: How to work with an incomplete food log Practical nutrition guide
How to build sustainable nutrition tracking habits
Design a small, repeatable logging routine around a real decision, lower friction, review patterns at a sensible cadence, and plan for setbacks.
Read the guide: How to build sustainable nutrition tracking habits Practical nutrition guide
How to estimate cooking oil, sauces, and condiments
Handle the small-volume ingredients that can materially change a meal estimate without pretending a photograph reveals the amount absorbed or served.
Read the guide: How to estimate cooking oil, sauces, and condiments Practical nutrition guide
How to review a week of food logs
Check coverage, group comparable days, find one recurring meal pattern, and turn it into a cautious next step without over-reading averages.
Read the guide: How to review a week of food logs Practical nutrition guide
Feast editorial standards and corrections policy
How Feast separates sourced facts, first-party product claims, estimates, interpretation, and claims that should not be published.
Read the guide: Feast editorial standards and corrections policy