SUPPSAVER
Optimum Serious Mass
Mass Gainer · 5.4kg · tracked across 9 retailers (all sizes), refreshed daily.
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Overview
Optimum Nutrition Optimum Serious Mass is a mass gainer that SuppSaver compares across 2 Australian retailers. The best price we're currently tracking is $144.87 at Supplement Warehouse, which works out to $2.66/100g — the true-cost figure we rank every mass gainer on. That comes to roughly $9.05 per serve.
Retailer prices shift week to week, so we re-check every listing daily and rank by true cost per 100g rather than sticker price. That lets you see whether Optimum Serious Mass is genuinely the cheapest mass gainer on the market or simply discounted right now. It's listed in 5.4kg, 5.4kg and 2.7kg. Shoppers rate it 4.7 out of 5 from 38 reviews. Use the price history, the per-store breakdown and the alternatives below to confirm you're getting the best deal before you buy.
Price history
-3.3% 30d2 stores carry this size
cheapest firstConfirm the price at the retailer before purchasing.
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What people say
4.7(38)Customers are highly satisfied with Serious Mass, frequently praising its effectiveness in helping them gain weight and muscle while noting its great taste and ease of digestion. Recurring highlights include the quality of the chocolate and banana flavors and the product's overall value for money. However, some users reported difficulties with the powder's thick consistency, issues with it mixing smoothly, and concerns regarding the cost relative to the amount of servings provided.
About
Optimum Nutrition Serious Mass is a high calorie weight gainer designed to provide serious nutritional support for those looking to increase their quality calorie intake. Each serving delivers 1250 calories, 50 grams of protein, and over 250 grams of carbohydrates along with 25 essential vitamins and minerals. This powdered mix can be used as a meal replacement or a post workout supplement to support muscle growth. It is ideal for individuals who need to bulk up and achieve their fitness goals when combined with a balanced diet and regular weight training.