{"id":8342,"date":"2026-01-06T14:34:15","date_gmt":"2026-01-06T09:04:15","guid":{"rendered":"https:\/\/darkorchid-caterpillar-495792.hostingersite.com\/?post_type=product&#038;p=8342"},"modified":"2026-01-22T20:01:54","modified_gmt":"2026-01-22T14:31:54","slug":"on-serious-mass-5kg","status":"publish","type":"product","link":"https:\/\/www.jantasupplements.com\/index.php\/product\/on-serious-mass-5kg\/","title":{"rendered":"ON SERIOUS MASS 5KG"},"content":{"rendered":"<p data-start=\"522\" data-end=\"793\"><strong data-start=\"522\" data-end=\"560\">Optimum Nutrition Serious Mass 5KG<\/strong> is one of the most trusted mass gainers in the world \u2014 engineered for individuals who struggle to gain weight through diet alone or who need <strong data-start=\"702\" data-end=\"763\">extra calories, quality protein, and consistent nutrition<\/strong> to build serious muscle mass.<\/p>\n<p data-start=\"795\" data-end=\"1172\">Every serving of Serious Mass provides a <strong data-start=\"836\" data-end=\"928\">strategic blend of high-quality proteins, complex carbohydrates, and essential nutrients<\/strong> designed to support <strong data-start=\"949\" data-end=\"1007\">lean muscle growth, recovery, and energy replenishment<\/strong>. The complex carb profile helps refill glycogen after intense workouts, while the protein matrix delivers amino acids your muscles need to repair and grow stronger.<\/p>\n<p data-start=\"1174\" data-end=\"1516\">Ideal for <strong data-start=\"1184\" data-end=\"1263\">hard gainers, bodybuilders, athletes, and anyone focused on increasing size<\/strong>, this 5KG tub makes it easy to meet daily calorie goals without eating constant extra meals. Whether you use it as a post-workout shake, between meals, or as a snack replacement, <strong data-start=\"1443\" data-end=\"1459\">Serious Mass<\/strong> makes gaining weight more manageable and results-driven.<\/p>\n","protected":false},"excerpt":{"rendered":"<p data-start=\"247\" data-end=\"459\">Serious weight. <strong data-start=\"263\" data-end=\"282\">Serious muscle.<\/strong><br data-start=\"282\" data-end=\"285\" \/>ON <strong data-start=\"288\" data-end=\"308\">Serious Mass 5KG<\/strong> delivers <strong data-start=\"318\" data-end=\"386\">high-calorie support, premium proteins, and muscle-fueling carbs<\/strong> for those who want to pack on size and strength with maximum efficiency.<\/p>\n","protected":false},"featured_media":8350,"template":"","meta":{"inline_featured_image":false},"product_cat":[63],"product_tag":[],"class_list":["post-8342","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-gainer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ON SERIOUS MASS 5KG - Janta Supplements<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jantasupplements.com\/index.php\/product\/on-serious-mass-5kg\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ON SERIOUS MASS 5KG - Janta Supplements\" \/>\n<meta property=\"og:description\" content=\"Serious weight. 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