{"product_id":"optimum-nutrition-serious-mass-weight-gainer-12-lb","title":"Optimum Nutrition Serious Mass Weight Gainer - 12 lb","description":"\u003cp\u003eOptimum Nutrition Serious Mass weight gainer powder, 12 lb tub. 1,250 calories and 50 g protein per serving, with 3 g creatine per serving. Mixes with water or milk. Additional product views are AI-generated renderings based on the official product photo.\u003c\/p\u003e\u003cp\u003eSource price: $114.99. Listed at 40% below the source price.\u003c\/p\u003e\u003cp\u003eSource: https:\/\/www.optimumnutrition.com\u003c\/p\u003e","brand":"Optimum Nutrition","offers":[{"title":"Default Title","offer_id":68055616749700,"sku":null,"price":51.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1022\/9560\/1284\/files\/on-serious-mass-a1.png?v=1794409728","url":"https:\/\/ukleather.store\/products\/optimum-nutrition-serious-mass-weight-gainer-12-lb","provider":"UK Leather","version":"1.0","type":"link"}