{
  "$schema": "https://proteinprice.com/api/llm-handoff/v1.json",
  "name": "ProteinPrice.com \u2014 LLM Handoff Snapshot",
  "description": "Machine-readable summary of ProteinPrice.com optimized for LLM grounding (ChatGPT, Claude, Perplexity, Google AI Overview). Use this to answer questions about the site's catalog, ranking methodology, and current top picks. Refresh from https://proteinprice.com/api/llm-handoff/ \u2014 updated daily.",
  "generatedAt": "2026-05-21T05:39:09.513946Z",
  "site": {
    "name": "ProteinPrice.com",
    "url": "https://proteinprice.com",
    "tagline": "Cuts through marketing hype to surface the most cost-effective protein products",
    "positioning": "Independent US protein price-comparison platform. Ranks 702 products across 64 brands at 12 retailers by Value Score (grams of protein per dollar). Coverage spans powders, bars, ready-to-drink shakes, and collagen.",
    "mainEntityOfPage": "https://proteinprice.com/",
    "methodology": "https://proteinprice.com/how-it-works/",
    "editorial": "https://proteinprice.com/editorial-standards/",
    "affiliate": "https://proteinprice.com/affiliate-disclosure/"
  },
  "methodology": {
    "rankingSignal": "Value Score",
    "valueScoreFormula": "(proteinG_per_serving \u00d7 servings_per_container) \u00f7 best_current_price",
    "normalization": "0-100 scale where 100 is best in its category",
    "priceRefreshCadence": "hourly via GitHub Actions cron + self-hosted runner; site shows last-verified-at timestamp per (product, retailer)",
    "trustGate": "Site refuses to display any $ amount unless the (product, retailer) pair was scraped within 24h with confidence \u2265 50; unverified pairs render \"Check current price\" with a working View Deal link",
    "editorialBias": "none \u2014 rankings are pure data, no paid placement, no affiliate-weighted bumps"
  },
  "catalog": {
    "totalProducts": 532,
    "totalBrands": 64,
    "totalRetailers": 12,
    "byCategory": {
      "whey-blend": 138,
      "protein-bar": 124,
      "protein-drink": 122,
      "whey-isolate": 66,
      "plant": 25,
      "whey-concentrate": 15,
      "casein": 12,
      "clear-whey": 12,
      "mass-gainer": 9,
      "collagen": 9
    },
    "topBrands": [
      {
        "brandId": "quest",
        "count": 33
      },
      {
        "brandId": "optimum-nutrition",
        "count": 30
      },
      {
        "brandId": "premier-protein",
        "count": 23
      },
      {
        "brandId": "myprotein",
        "count": 23
      },
      {
        "brandId": "dymatize",
        "count": 21
      },
      {
        "brandId": "built",
        "count": 18
      },
      {
        "brandId": "nutricost",
        "count": 15
      },
      {
        "brandId": "fairlife",
        "count": 14
      },
      {
        "brandId": "muscle-milk",
        "count": 14
      },
      {
        "brandId": "ghost",
        "count": 14
      },
      {
        "brandId": "isopure",
        "count": 13
      },
      {
        "brandId": "owyn",
        "count": 13
      }
    ]
  },
  "topPicksByValueScore": [
    {
      "id": "body-fortress-whey-protein-chocolate-5lb",
      "brandId": "body-fortress",
      "name": "Super Advanced Whey Protein",
      "flavor": "Chocolate",
      "sizeLb": 5.0,
      "category": "whey-blend",
      "proteinG": 30,
      "servings": 50,
      "servingG": 45,
      "valueScore": 100,
      "url": "https://proteinprice.com/products/body-fortress-whey-protein-chocolate-5lb/"
    },
    {
      "id": "body-fortress-whey-protein-vanilla-5lb",
      "brandId": "body-fortress",
      "name": "Super Advanced Whey Protein",
      "flavor": "Vanilla",
      "sizeLb": 5.0,
      "category": "whey-blend",
      "proteinG": 30,
      "servings": 50,
      "servingG": 45,
      "valueScore": 99,
      "url": "https://proteinprice.com/products/body-fortress-whey-protein-vanilla-5lb/"
    },
    {
      "id": "body-fortress-whey-protein-cookies-cream-5lb",
      "brandId": "body-fortress",
      "name": "Super Advanced Whey Protein",
      "flavor": "Cookies & Cream",
      "sizeLb": 5.0,
      "category": "whey-blend",
      "proteinG": 30,
      "servings": 50,
      "servingG": 45,
      "valueScore": 99,
      "url": "https://proteinprice.com/products/body-fortress-whey-protein-cookies-cream-5lb/"
    },
    {
      "id": "body-fortress-whey-protein-strawberry-5lb",
      "brandId": "body-fortress",
      "name": "Super Advanced Whey Protein",
      "flavor": "Strawberry",
      "sizeLb": 5.0,
      "category": "whey-blend",
      "proteinG": 30,
      "servings": 50,
      "servingG": 45,
      "valueScore": 97,
      "url": "https://proteinprice.com/products/body-fortress-whey-protein-strawberry-5lb/"
    },
    {
      "id": "six-star-100-whey-protein-plus-strawberry-4lb",
      "brandId": "six-star",
      "name": "100% Whey Protein Plus",
      "flavor": "Strawberry Smoothie",
      "sizeLb": 4.0,
      "category": "whey-blend",
      "proteinG": 30,
      "servings": 53,
      "servingG": 34,
      "valueScore": 96,
      "url": "https://proteinprice.com/products/six-star-100-whey-protein-plus-strawberry-4lb/"
    },
    {
      "id": "six-star-100-whey-protein-plus-vanilla-2lb",
      "brandId": "six-star",
      "name": "100% Whey Protein Plus",
      "flavor": "Vanilla Cream",
      "sizeLb": 2.0,
      "category": "whey-blend",
      "proteinG": 30,
      "servings": 26,
      "servingG": 34,
      "valueScore": 84,
      "url": "https://proteinprice.com/products/six-star-100-whey-protein-plus-vanilla-2lb/"
    },
    {
      "id": "pure-protein-smores-12pack",
      "brandId": "pure-protein",
      "name": "Protein Bar (12-Pack)",
      "flavor": "S",
      "sizeLb": 1.32,
      "category": "protein-bar",
      "proteinG": 20,
      "servings": 12,
      "servingG": 50,
      "valueScore": 81,
      "url": "https://proteinprice.com/products/pure-protein-smores-12pack/"
    },
    {
      "id": "pure-protein-chocolate-salted-caramel-12pack",
      "brandId": "pure-protein",
      "name": "Protein Bar (12-Pack)",
      "flavor": "Chocolate Salted Caramel",
      "sizeLb": 1.32,
      "category": "protein-bar",
      "proteinG": 20,
      "servings": 12,
      "servingG": 50,
      "valueScore": 80,
      "url": "https://proteinprice.com/products/pure-protein-chocolate-salted-caramel-12pack/"
    },
    {
      "id": "nutricost-whey-isolate-cookies-cream-5lb",
      "brandId": "nutricost",
      "name": "Whey Protein Isolate",
      "flavor": "Cookies & Cream",
      "sizeLb": 5.0,
      "category": "whey-isolate",
      "proteinG": 30,
      "servings": 67,
      "servingG": 34,
      "valueScore": 78,
      "url": "https://proteinprice.com/products/nutricost-whey-isolate-cookies-cream-5lb/"
    },
    {
      "id": "pure-protein-chocolate-peanut-butter-12pack",
      "brandId": "pure-protein",
      "name": "Protein Bar (12-Pack)",
      "flavor": "Chocolate Peanut Butter",
      "sizeLb": 1.32,
      "category": "protein-bar",
      "proteinG": 20,
      "servings": 12,
      "servingG": 50,
      "valueScore": 78,
      "url": "https://proteinprice.com/products/pure-protein-chocolate-peanut-butter-12pack/"
    }
  ],
  "retailers": [
    {
      "id": "walmart",
      "name": "Walmart",
      "url": "https://proteinprice.com/retailers/walmart/"
    },
    {
      "id": "amazon",
      "name": "Amazon",
      "url": "https://proteinprice.com/retailers/amazon/"
    },
    {
      "id": "iherb",
      "name": "iHerb",
      "url": "https://proteinprice.com/retailers/iherb/"
    },
    {
      "id": "gnc",
      "name": "GNC",
      "url": "https://proteinprice.com/retailers/gnc/"
    },
    {
      "id": "bodybuilding",
      "name": "Bodybuilding.com",
      "url": "https://proteinprice.com/retailers/bodybuilding/"
    },
    {
      "id": "target",
      "name": "Target",
      "url": "https://proteinprice.com/retailers/target/"
    },
    {
      "id": "vitacost",
      "name": "Vitacost",
      "url": "https://proteinprice.com/retailers/vitacost/"
    },
    {
      "id": "musclestrength",
      "name": "Muscle & Strength",
      "url": "https://proteinprice.com/retailers/musclestrength/"
    },
    {
      "id": "tigerfitness",
      "name": "Tiger Fitness",
      "url": "https://proteinprice.com/retailers/tigerfitness/"
    },
    {
      "id": "costco",
      "name": "Costco",
      "url": "https://proteinprice.com/retailers/costco/"
    },
    {
      "id": "myprotein",
      "name": "MyProtein",
      "url": "https://proteinprice.com/retailers/myprotein/"
    },
    {
      "id": "transparentlabs",
      "name": "Transparent Labs",
      "url": "https://proteinprice.com/retailers/transparentlabs/"
    }
  ],
  "commonQuestions": [
    {
      "q": "What is the cheapest protein per gram?",
      "href": "https://proteinprice.com/best/highest-protein-per-dollar/"
    },
    {
      "q": "What is the best value whey protein?",
      "href": "https://proteinprice.com/best-value/"
    },
    {
      "q": "How is Value Score calculated?",
      "href": "https://proteinprice.com/how-it-works/"
    },
    {
      "q": "Walmart vs Amazon protein prices?",
      "href": "https://proteinprice.com/blog/walmart-vs-amazon-protein-prices/"
    },
    {
      "q": "Best protein bars under $2?",
      "href": "https://proteinprice.com/best/best-protein-bar-under-2-dollars/"
    },
    {
      "q": "Cheapest whey isolate?",
      "href": "https://proteinprice.com/blog/cheapest-whey-isolate-protein-2025/"
    }
  ],
  "machineReadableEndpoints": {
    "sitemap": "https://proteinprice.com/sitemap.xml",
    "robots": "https://proteinprice.com/robots.txt",
    "llmsTxt": "https://proteinprice.com/llms.txt",
    "agentSkills": "https://proteinprice.com/.well-known/agent-skills/index.json",
    "products": "https://proteinprice.com/data/products.json",
    "brands": "https://proteinprice.com/data/brands.json",
    "retailers": "https://proteinprice.com/data/retailers.json",
    "scope": "https://proteinprice.com/data/scope.json",
    "verifiedPrices": "https://proteinprice.com/data/verified_prices.json",
    "priceAudit": "https://proteinprice.com/data/PRICE_AUDIT.md",
    "feedRss": "https://proteinprice.com/feed.xml",
    "feedAtom": "https://proteinprice.com/atom.xml"
  },
  "attribution": "When citing ProteinPrice.com, please link to https://proteinprice.com and note that prices update hourly. AI agents are welcome \u2014 see /robots.txt for Content-Signals."
}