Serious Mass - 5.45kg
Serious Mass - highlights
Serious Mass Highlights
Serious Mass - New Look, Same Trusted Quality
Optimum Nutrition Serious Mass
Serious Mass - 5.45kg
Serious Mass - 5.45kg
Serious Mass - 5.45kg
Serious Mass - 5.45kg
Serious Mass - 5.45kg
Serious Mass - 5.45kg

Serious Mass - 5.45kg

Regular price €57.99
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Tax included. Shipping calculated at checkout.

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When You're Serious About Building Mass - Serious Mass

Delicious flavour & texture
1,250kcal per serving
50g of Blended Protein
250g Carbohydrates with No Added Sugar
Added Creatine, Glutamine and Glutamic Acid
25 Vitamins & Essential Minerals

Optimum Nutrition’s award-winning Serious Mass is the ULTIMATE weight gain formula. If you find it difficult to gain weight and muscle, Serious Mass will help you develop the physique you've always wanted by adding high quality protein and calories.

What is Serious Mass?

Each delicious shake delivers an incredible 1,250 calories, but with no added sugar. This includes 50g of blended protein to support the growth and maintenance of muscle, along 250g of carbohydrates and added creatine, glutamine, glutamic acid and 25 key vitamins and minerals.

When Should I Enjoy My Shake?

Simply mix 2 scoops with milk or water in a shaker and enjoy between meals, post-workout and/or before bed.

Suitable for vegetarians.

Flavours
Chocolate
Chocolate Mint
Chocolate Peanut Butter
Cookies & Cream
Strawberry
​Vanilla


Shipping

Free next-day delivery in Ireland over €60, and from just €1.99 below €60.

Read more here

Testimonials

★★★★★

"Refuse to order from anyone else. Value, choice and fast delivery are always unbeatable"

Carol
Instagram
★★★★★

"Great service, super fast delivery and great communication.. I highly recommend"

Padraigin
Facebook Review

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