Creatine + Magnesium L-Threonate (Magtein®) — 1upnutrition.com
Supplements SAFE — Active Variant InStock Single Canonical Product Block Stock: 1/1 in stock

1upnutrition.com — 12-Point GMC 2026 Audit: 78/100

Audited Product: Creatine + Magnesium L-Threonate (Magtein®) (USD $59.99) ↗

12-Point GMC 2026 Readiness Score -22 pts Deducted
78/100

Revenue Risk: 15% - 25% Google Shopping Enhancement Suppression

  • • 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.
  • • DOM (-2 pts): Page has 2 H1 tags (recommended: 1).
❌ Broken Live Schema (78/100) Missing: gtin, hasMerchantReturnPolicy, shippingDetails 
<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "Creatine + Magnesium L-Threonate (Magtein®)",
  "image": [
    "https://cdn.shopify.com/s/files/1/0330/6521/files/CREATINE_MAGNESIUML-THREONATE-STRAWBERRYWATERMELONV2.png?v=1793974025"
  ],
  "brand": {
    "@type": "Brand",
    "name": "1 Up Nutrition"
  },
  "sku": "THEME-RAW-SKU",
  "offers": {
    "@type": "Offer",
    "url": "https://1upnutrition.com/products/creatine-magnesium-l-threonate",
    "availability": "https://schema.org/InStock",
    "price": "59.99",
    "priceCurrency": "USD"
  }
}
</script>
✅ Fixed 100/100 GMC 2026 JSON-LD Patch 
<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "Creatine + Magnesium L-Threonate (Magtein®)",
  "description": "2-in-1 product to build strength, power performance, and sharpen your mind with a high-impact blend of muscle and cognitive support. Featuring 5g of Creatine Monohydrate for proven strength, power, and recovery, plus highly bioavailable Magnesium L-Threonate (Magtein®) to support focus, memory, and brain function, this formula helps you train harder, recover faster, and stay mentally locked in. Build Muscle with Crea",
  "image": [
    "https://cdn.shopify.com/s/files/1/0330/6521/files/CREATINE_MAGNESIUML-THREONATE-STRAWBERRYWATERMELONV2.png?v=1793974025",
    "https://cdn.shopify.com/s/files/1/0330/6521/files/CREATINE_MAGNESIUML-THREONATE-STRAWBERRYMANGOV2_bd2937e0-3d11-432f-a8f5-17cd1db24f99.png?v=1793798887",
    "https://cdn.shopify.com/s/files/1/0330/6521/files/CREATINE_MAGNESIUML-THREONATE-PINKLEMONADEV2_3c09cbc9-4dd0-43f9-b9b3-21e21557df43.png?v=1793798898",
    "https://cdn.shopify.com/s/files/1/0330/6521/files/CREATINEMAGNESIUMPDP.png?v=1788980172"
  ],
  "sku": "CreatMag-StrawWater",
  "mpn": "CreatMag-StrawWater",
  "gtin13": "0085001034250",
  "brand": {
    "@type": "Brand",
    "name": "1 Up Nutrition"
  },
  "aggregateRating": {
    "@type": "AggregateRating",
    "ratingValue": "4.8",
    "reviewCount": 112,
    "bestRating": "5",
    "worstRating": "1"
  },
  "offers": {
    "@type": "Offer",
    "url": "https://1upnutrition.com/products/creatine-magnesium-l-threonate",
    "priceCurrency": "USD",
    "price": "59.99",
    "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://1upnutrition.com/products/creatine-magnesium-l-threonate#schemaguard-2026"
}
</script>
Unified Schema Diff (Before 78/100 vs After 100/100) 
--- BEFORE: 1upnutrition.com (Score: 78/100, Blocks: 1)
+++ AFTER:  1upnutrition.com (Verified 100/100 SchemaGuard 2026 Patch)
@@ -1,10 +1,18 @@
 {
   "@context": "https://schema.org/",
   "@type": "Product",
+  "@id": "https://1upnutrition.com/products/creatine-magnesium-l-threonate#schemaguard-2026",
   "name": "Creatine + Magnesium L-Threonate (Magtein®)",
+  "sku": "CreatMag-StrawWater",
+  "gtin13": "0085001034250",
+  "brand": { "@type": "Brand", "name": "1 Up Nutrition" },
   "offers": {
-    "availability": "https://schema.org/InStock"
+    "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" } }
   }
 }