{"product_id":"optimum-nutrition-serious-mass-weight-gainer-protein-powder-chocolate-6lb","title":"Optimum Nutrition Serious Mass Gainer Protein Powder - Chocolate, 6 lbs","description":"\u003cp\u003eOptimum Nutrition Serious Mass is a high-calorie weight gainer protein powder designed to support muscle growth and weight gain. This chocolate-flavored supplement provides 1,250 calories, 50 grams of protein, over 250 grams of carbohydrates, and 25 vitamins and minerals per serving when mixed with water. It contains a blend of fast, medium, and slow-digesting proteins including whey protein concentrate, calcium caseinate, and egg albumin to support sustained amino acid delivery. The formula includes creatine monohydrate, glutamine, and glutamic acid to aid muscle recovery and performance. Each container contains 6 pounds of powder, offering approximately 8 servings. This weight gainer is suitable for individuals looking to increase their caloric intake for mass-building goals, particularly those with fast metabolisms or difficulty gaining weight through diet alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThis item is guaranteed to be fresh for at least 60 days from: 03\/11\/2026\u003c\/strong\u003e\u003c\/p\u003e","brand":"Optimum Nutrition","offers":[{"title":"Default Title","offer_id":46288580444310,"sku":"AEB7NIMB","price":38.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0514\/3520\/8854\/files\/8626769690774_0_2db35b06.jpg?v=1774572770","url":"https:\/\/blitzstock.com\/products\/optimum-nutrition-serious-mass-weight-gainer-protein-powder-chocolate-6lb","provider":"Blitzstock","version":"1.0","type":"link"}