ON Serious Mass
ON Serious Mass - Chocolate / 2.72kg is backordered and will ship as soon as it is back in stock.
Description
Description
Optimum Nutrition Serious Mass
Struggling to put on quality size, no matter how much you eat? When a fast metabolism works against your goals, Serious Mass by Optimum Nutrition is your ultimate weapon for size, strength, and recovery.
This premium weight-gainer delivers a massive 1,250 calories, 50 g of protein, and over 250 g of carbohydrates per serve — designed to fuel intense training and promote serious muscle growth. Perfect for athletes, lifters, and hard gainers who need extra calories without relying on junk food.
Key Benefits
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Supports lean muscle growth and recovery
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1,250 calories and 50 g protein per serve
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Over 250 g complex carbohydrates for sustained energy
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Enhanced with creatine, glutamine, and 25 vitamins & minerals
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Great-tasting, easy-mix formula
Why Serious Mass Works
Each serve packs a high-value protein blend — including Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, and Sweet Dairy Whey — to support muscle protein synthesis, recovery, and performance.
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Whey Protein Concentrate: Fast-digesting and rich in essential amino acids to kick-start muscle repair.
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Calcium Caseinate: Slow-release protein that helps reduce muscle breakdown and supports overnight recovery.
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Egg Albumen: Naturally packed with amino acids and micronutrients like folic acid, vitamins A & D, and B vitamins for muscle repair and overall health.
Enhanced with Creatine Monohydrate, Glutamine, Choline, and Inositol, this advanced formula supports anabolic activity, energy production, and recovery.
Whether you’re chasing your next personal best or just trying to fill out your frame, Optimum Nutrition Serious Mass delivers the fuel you need to train harder, recover faster, and grow bigger.
Delivery and Shipping
Delivery and Shipping
Need it fast? Click and collect from Jimboomba in 15 minutes.
Prefer delivery? Enjoy free shipping Australia-wide when you spend $150+, or $9.99 flat rate on orders below 5kg.
- Flat rate shipping of $9.99 for orders under 5kg.
- Orders under 5kg and over $150 qualify for free shipping.
- For orders over 5kg shipping is calculated at checkout
RTD products are only available for click & collect.
ON Serious Mass
ON Serious Mass - Chocolate / 2.72kg is backordered and will ship as soon as it is back in stock.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
ABOUT INFINITY SUPPS
Founded in 2025, we set out to create a local store that prioritises education, trust, and results.
Infinity Supps is a family-owned supplement store based in Jimboomba, QLD, built from real industry experience and a genuine passion for health and fitness.
With over a decade in the health and fitness industry, including elite-level competition, coaching, and work with leading supplement brands, we bring practical knowledge to every recommendation. We proudly stock only proven Australian and international brands — no private labels, fillers, or gimmicks.
Whether you’re just getting started or fine-tuning performance, we’re here to support your journey with honest advice, sample packs, and reliable in-store and online support.
