{
  "schemaVersion": 1,
  "version": "protein-goals-2026-10-24",
  "reviewedOn": "2026-10-24",
  "status": "research catalog; production release review pending",
  "defaultPolicy": "Offer reference or goal selection; do not silently choose a universal optimum. A body-weight goal requires weight.",
  "bodyWeightUnit": "kg",
  "goals": [
    {
      "id": "us-canada-adult-rda",
      "title": "U.S. / Canada adult RDA",
      "authority": "U.S./Canadian Dietary Reference Intakes",
      "referenceType": "RDA",
      "rangeGPerKgPerDay": [
        0.8,
        0.8
      ],
      "population": "Healthy adults aged 19 and older; pregnancy/lactation excluded from this application scope.",
      "purpose": "Reference allowance",
      "sourceUrl": "https://www.canada.ca/en/health-canada/services/food-nutrition/healthy-eating/dietary-reference-intakes/tables/reference-values-macronutrients.html",
      "sourceId": "health-canada-dri-macronutrients",
      "sourceLocator": "Macronutrient table, adult rows and footnotes",
      "publication": "2005 macronutrient DRI; current official table snapshot reviewed 2026-10-24",
      "status": "primary-reference-verified",
      "meaning": "An allowance for the reference population, not a performance optimum or diagnosis."
    },
    {
      "id": "efsa-adult-pri",
      "title": "EFSA adult reference intake",
      "authority": "European Food Safety Authority",
      "referenceType": "PRI",
      "rangeGPerKgPerDay": [
        0.83,
        0.83
      ],
      "population": "Healthy adults of all ages; high-quality protein or mixed diets; pregnancy/lactation excluded from this application scope.",
      "purpose": "Population reference intake",
      "sourceUrl": "https://www.efsa.europa.eu/en/efsajournal/pub/2557",
      "doi": "10.2903/j.efsa.2012.2557",
      "sourceLocator": "Scientific opinion abstract, adult reference paragraph",
      "publication": "2012-02-09",
      "status": "primary-reference-verified",
      "meaning": "Separate European reference; selecting it does not switch micronutrient references."
    },
    {
      "id": "dga-2025-2030",
      "title": "U.S. Dietary Guidelines 2025–2030",
      "authority": "U.S. Departments of Agriculture and Health and Human Services",
      "referenceType": "guideline-goal",
      "rangeGPerKgPerDay": [
        1.2,
        1.6
      ],
      "population": "Adult application of the guideline; personalize in the context of energy needs.",
      "purpose": "Dietary-guideline protein serving goal",
      "sourceUrl": "https://cdn.realfood.gov/DGA.pdf",
      "sourceId": "us-dietary-guidelines-2025-2030",
      "sourceLocator": "Printed page 2; PDF page 3",
      "publication": "2025–2030 edition",
      "status": "primary-reference-verified",
      "meaning": "A guideline goal range, not a newly established RDA. Supporting report discusses outcomes and specific dietary contexts."
    },
    {
      "id": "issn-protein-exercise-2017",
      "title": "ISSN exercise guidance",
      "authority": "International Society of Sports Nutrition",
      "referenceType": "sports-position",
      "rangeGPerKgPerDay": [
        1.4,
        2.0
      ],
      "population": "Most healthy exercising individuals; not a clinical or energy-restriction prescription.",
      "purpose": "Muscle building and maintenance in exercising people",
      "sourceUrl": "https://pmc.ncbi.nlm.nih.gov/articles/PMC5477153/",
      "studyId": "pmid-28642676",
      "sourceLocator": "Position statement point 2 and Daily protein needs",
      "publication": "2017",
      "status": "primary-reference-verified",
      "meaning": "An optional exercise-specific range. Disclosed industry relationships are retained in the study appraisal."
    },
    {
      "id": "joint-athletic-position-2016",
      "title": "Joint athletic guidance, 2016",
      "authority": "Academy of Nutrition and Dietetics, Dietitians of Canada and American College of Sports Medicine",
      "referenceType": "sports-position",
      "rangeGPerKgPerDay": [
        1.2,
        2.0
      ],
      "population": "Athletes; training and energy context matter.",
      "purpose": "Athletic nutrition",
      "sourceUrl": "https://doi.org/10.1016/j.jand.2015.12.006",
      "studyId": "pmid-26920240",
      "correctionStudyId": "pmid-28010851",
      "secondaryUrl": "https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/",
      "publication": "2016; correction 2017",
      "status": "withheld-primary-text-and-correction-access-pending",
      "meaning": "Range located in an official secondary summary; do not enable this catalog item until the primary text and correction are appraised."
    }
  ],
  "customGoal": {
    "units": [
      "g/day",
      "g/kg/day"
    ],
    "supportsRange": true,
    "authority": null,
    "label": "Personal goal"
  },
  "policies": [
    "Preserve a range as a range unless the user explicitly selects a point.",
    "Changing the protein goal does not change the amino-acid scoring pattern or micronutrient reference system.",
    "Snapshot goal authority/version and weight for a saved day; later preference changes do not silently rewrite history.",
    "Compare total protein grams with quantity goals; present the composition estimate separately, not as measured absorption.",
    "Require finite positive weight and finite positive ordered goal bounds; reject invalid input without replacing saved settings.",
    "Check current authority documents before launch; an evidence scan toward a DRI update is not a replacement DRI."
  ],
  "updateContext": {
    "sourceUrl": "https://nesr.usda.gov/protein-dietary-reference-intake-evidence-scan-2026",
    "finding": "Official June 2026 evidence-scan page describes work supporting an update, not a new issued protein RDA. Full report retrieval returned HTTP 403 in this pass."
  }
}