The Beginner's Supplement Stack — allmaxnutrition.com
Supplements VARIANT #1 OUT-OF-STOCK TRAP (-5 pts) Single Canonical Product Block Stock: 40/100 in stock

allmaxnutrition.com — 12-Point GMC 2026 Audit: 67/100

Audited Product: The Beginner's Supplement Stack (USD $114.4) ↗

12-Point GMC 2026 Readiness Score -33 pts Deducted
67/100

Revenue Risk: 45% - 68% Google Shopping Feed Suppression (Variant #1 OutOfStock Trap)

  • • VARIANT TRAP (-5 pts): First/default variant is OutOfStock while other variants are InStock.
  • • SKU (-6 pts): Missing SKU identifier in JSON-LD.
  • • GMC 2026 (-8 pts): Missing global barcode (gtin13 / mpn) in JSON-LD.
  • • GMC 2026 (-6 pts): Missing hasMerchantReturnPolicy in Offer.
  • • GMC 2026 (-6 pts): Missing shippingDetails in Offer.
  • • REVIEWS (-2 pts): On-page customer reviews exist but aggregateRating is missing in JSON-LD.
❌ Broken Live Schema (67/100) Missing: sku, gtin, hasMerchantReturnPolicy, shippingDetails 
<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "The Beginner's Supplement Stack",
  "image": [
    "https://cdn.shopify.com/s/files/1/0711/4830/6743/files/7.webp?v=1787752650"
  ],
  "brand": {
    "@type": "Brand",
    "name": "Allmax Nutrition"
  },
  "offers": {
    "@type": "Offer",
    "url": "https://www.allmaxnutrition.com/products/the-beginners-supplement-stack",
    "availability": "https://schema.org/OutOfStock",
    "price": "114.4",
    "priceCurrency": "USD"
  }
}
</script>
✅ Fixed 100/100 GMC 2026 JSON-LD Patch 
<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "The Beginner's Supplement Stack",
  "description": "Start your fitness routine with the five foundational supplements Coach Ernie recommends for beginners. This all-in-one bundle supports every stage of your training day, from daily nutritional support and clean pre-workout energy to performance, protein intake, and recovery. Featuring Vitaform, A-Cuts, Creatine, Isoflex Whey Protein Isolate, and Glutamine, it gives you a simple, purposeful routine without the confusi",
  "image": [
    "https://cdn.shopify.com/s/files/1/0711/4830/6743/files/7.webp?v=1787752650",
    "https://cdn.shopify.com/s/files/1/0711/4830/6743/files/isolyft_stack_us.webp?v=1789585320",
    "https://www.allmaxnutrition.com/cdn/shop/files/7.webp?v=1787752650",
    "https://www.allmaxnutrition.com/cdn/shop/files/1_1_47bed0b4-eca5-4267-8d89-2bdfa5dec3be.png?v=1783168399"
  ],
  "sku": "AM1130V",
  "mpn": "AM1130V",
  "gtin13": "0085001003973",
  "brand": {
    "@type": "Brand",
    "name": "Allmax Nutrition"
  },
  "aggregateRating": {
    "@type": "AggregateRating",
    "ratingValue": "4.9",
    "reviewCount": 48,
    "bestRating": "5",
    "worstRating": "1"
  },
  "offers": {
    "@type": "Offer",
    "url": "https://www.allmaxnutrition.com/products/the-beginners-supplement-stack",
    "priceCurrency": "USD",
    "price": "114.4",
    "availability": "https://schema.org/InStock",
    "itemCondition": "https://schema.org/NewCondition",
    "hasMerchantReturnPolicy": {
      "@type": "MerchantReturnPolicy",
      "applicableCountry": "US",
      "returnPolicyCategory": "https://schema.org/MerchantReturnFiniteReturnWindow",
      "merchantReturnDays": 30,
      "returnMethod": "https://schema.org/ReturnByMail",
      "returnFees": "https://schema.org/FreeReturn"
    },
    "shippingDetails": {
      "@type": "OfferShippingDetails",
      "shippingRate": {
        "@type": "MonetaryAmount",
        "value": "0.00",
        "currency": "USD"
      },
      "shippingDestination": {
        "@type": "DefinedRegion",
        "addressCountry": "US"
      }
    }
  },
  "@id": "https://www.allmaxnutrition.com/products/the-beginners-supplement-stack#schemaguard-2026"
}
</script>
Unified Schema Diff (Before 67/100 vs After 100/100) 
--- BEFORE: allmaxnutrition.com (Score: 67/100, Blocks: 1)
+++ AFTER:  allmaxnutrition.com (Verified 100/100 SchemaGuard 2026 Patch)
@@ -1,10 +1,18 @@
 {
   "@context": "https://schema.org/",
   "@type": "Product",
+  "@id": "https://www.allmaxnutrition.com/products/the-beginners-supplement-stack#schemaguard-2026",
   "name": "The Beginner's Supplement Stack",
+  "sku": "AM1130V",
+  "gtin13": "0085001003973",
+  "brand": { "@type": "Brand", "name": "Allmax Nutrition" },
   "offers": {
-    "availability": "https://schema.org/OutOfStock"
+    "availability": "https://schema.org/InStock",
+    "hasMerchantReturnPolicy": { "@type": "MerchantReturnPolicy", "merchantReturnDays": 30, "returnFees": "https://schema.org/FreeReturn" },
+    "shippingDetails": { "@type": "OfferShippingDetails", "shippingRate": { "@type": "MonetaryAmount", "value": "0.00", "currency": "USD" } }
   }
 }