{"product_id":"mpn-instant-mass-gainer","title":"MPN INSTANT MASS GAINER","description":"MPN Instant Mass Gainer is a high-calorie nutrition supplement designed to support muscle growth and weight gain. Each serving delivers a balanced blend of carbohydrates, proteins, and fats to fuel intense workouts and promote lean muscle development. Ideal for athletes and fitness enthusiasts looking to increase their caloric intake efficiently, this mass gainer helps bridge the gap between training demands and nutritional goals. Mix with milk or water for a convenient, nutrient-dense shake that supports your muscle-building journey.","brand":"MPN","offers":[{"title":"Default Title","offer_id":67531879645229,"sku":null,"price":2999.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/7962\/6285\/files\/Screenshot2026-09-16160349.png?v=1789554850","url":"https:\/\/proteindoor.com\/products\/mpn-instant-mass-gainer","provider":"ANGIRASH FITNESS","version":"1.0","type":"link"}