{"product_id":"optimum-nutrition-serious-mass-vanilla-2-73kg","title":"Optimum Nutrition Serious Mass (2.73kg)","description":"\u003cp\u003eA high-calorie weight gainer built for anyone who struggles to eat enough to build size — 1250 calories and 50g protein per serving to support serious mass gains.\u003c\/p\u003e\n\u003ch2\u003eWhy choose Serious Mass\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1250 calories per serving\u003c\/strong\u003e — genuinely built for weight gain, not a light snack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50g protein per serving\u003c\/strong\u003e — supports muscle growth alongside the calorie surplus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.73kg tub\u003c\/strong\u003e — 8 servings to build size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eNutritional information (per 334g serving)\u003c\/h2\u003e\n\u003cp\u003eCalories: 1250 | Protein: 50g | Carbohydrates: 252g (of which sugars: 20g) | Fat: 4.5g (of which saturates: 1.5g).\u003c\/p\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eMix 2 scoops with 600-750ml of cold water or milk. Use between meals to add calories without needing to eat more solid food.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWho is Serious Mass actually for?\u003c\/strong\u003e\u003cbr\u003eAnyone who struggles to eat enough calories to gain weight or size through food alone — often called \"hardgainers.\" It's not intended for people already eating a calorie surplus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to drink a full serving at once?\u003c\/strong\u003e\u003cbr\u003eNot necessarily — some people split it into smaller portions throughout the day if 1250 calories in one sitting feels like too much.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this alongside regular meals?\u003c\/strong\u003e\u003cbr\u003eYes — it's designed as an addition between meals to boost total daily calories, not a meal replacement.\u003c\/p\u003e","brand":"Optimum Nutrition","offers":[{"title":"Vanilla","offer_id":58519751393625,"sku":"OPT140","price":46.99,"currency_code":"GBP","in_stock":true},{"title":"Strawberry","offer_id":58590950588761,"sku":"OPT139","price":46.99,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/renewedperformance.co.uk\/products\/optimum-nutrition-serious-mass-vanilla-2-73kg","provider":"Renewed Performance","version":"1.0","type":"link"}