The label looks different compared to the previous ones I got, is it still the same OPTIMUM NUTRITION product?

As you evolve, so do we. The part of our mission is to help active individuals better understand OPTIMUM NUTRITION products. Now choosing the right product for you is easier with more visible product benefits, features and flavours on each tub.

Has Gold Standard 100% Casein formula been improved?

Our latest formula is now fortified with zinc which contributes to a healthy immune system and magnesium to support normal protein synthesis.

The tub is not full to the brim when opened, why is that?

This is completely normal and is to do with the way the powder is vacuum packed into the tub. The powder settles over time. This does not impact the weight or number of servings listed on the label.

Are the ingredients tested and safe?

All of the ingredients in our products have been approved and considered safe for consumption by the European Food Safety Authority.

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Description

⏳ Fuel your gains while you rest — the ultimate night-time protein shake!

SMOOTH CONVENIENT - Easy-to-mix powder with indulgent Chocolate Supreme flavor for a guilt-free treat
OVERNIGHT MUSCLE FUEL - 24g micellar casein delivers a steady amino acid flow while you sleep
LOW SUGAR HIGH IMPACT - 10g essential amino acids per serving with minimal sugar for clean nutrition
IMMUNE BOOSTING FORMULA - Fortified with zinc to keep your defenses strong
ENHANCED RECOVERY SUPPORT - Magnesium promotes efficient protein synthesis for muscle repair

Optimum Nutrition Gold Standard Casein is a premium slow-digesting protein powder designed to support muscle growth and repair overnight. Each serving delivers 24g of micellar casein protein, enriched with zinc and magnesium to boost immune health and protein synthesis. With 10g of essential amino acids and low sugar content, it’s perfect for fitness enthusiasts seeking sustained muscle nourishment and recovery. Available in a smooth Chocolate Supreme flavor, this powder is easy to prepare and ideal for use before bed or between meals.

Specifications

Product Name	Optimum Nutrition Casein Protein 908 Gram 27 Servings (Chocolate Supreme)
Allergen Information	Contains: Egg may contain, Gluten may contain, Milk, Peanuts may contain, Soy may contain
Weight	848 g
Units	924.0 gram
Use By Recommendation	Great before or after exercise, between meals, with a meal, or any time of day where you need extra protein in your nutrition
Serving Recommendation	1 Heaping Scoop
Manufacturer contact	4 Waterside, Dublin 24, Ireland
Brand	Optimum Nutrition
Format	Powder
Age Range Description	Adult
Country of origin	United Kingdom
Serving Size	100 g, 33 g, 33 g
Protein	24 g

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.