{
 "id": 228349,
 "name": "Similac Advance",
 "brand": "Similac",
 "gtin": null,
 "category": "baby-formula",
 "size": {
  "value": null,
  "unit": "prepared_fl_oz"
 },
 "size_as_extracted": null,
 "unit_price_unit": "prepared_fl_oz",
 "specs": {
  "age_stage": "infant_from_birth",
  "form": "powder",
  "iron_fortified": true,
  "organic": false,
  "protein_source": "cow_milk",
  "specialty_type": "standard",
  "has_dha_ara": null
 },
 "standard_attributes": {
  "Formula level": "Level 1 (0-6 months)"
 },
 "shopify_category_id": "gid://shopify/TaxonomyCategory/bt-10-1-4",
 "meets_minimum_spec": true,
 "tier": "basic",
 "premium_note": null,
 "best": null,
 "lowest_price": {
  "price": 45.99,
  "retailer": "amazon",
  "url": "https://www.amazon.com/dp/B00OJ87EHG"
 },
 "size_missing": true,
 "unranked_reason": "size_missing",
 "offers": [
  {
   "retailer": "amazon",
   "retailer_id": "B00OJ87EHG",
   "gtin": null,
   "price": 45.99,
   "currency": "USD",
   "price_usd": 45.99,
   "unit_price": null,
   "availability": "In Stock",
   "in_stock": true,
   "seller": "Amazon.com",
   "first_party": true,
   "shipping": {
    "text": "FREE delivery",
    "price": 0.0
   },
   "size_text": "30.8 Ounce (Pack of 1)",
   "url": "https://www.amazon.com/dp/B00OJ87EHG",
   "observed_at": "2026-10-09T18:22:42-04:00",
   "age_minutes_at_build": 18361
  }
 ],
 "url": "/items/228349.json",
 "html": "/items/228349.html",
 "history": [
  {
   "retailer": "amazon",
   "price": 45.99,
   "unit_price": null,
   "observed_at": "2026-10-09T18:22:42-04:00"
  }
 ]
}