Optimum Gold Standard 100% Casein
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Optimum Nutrition Supplements was founded in 1986 by the Costello brothers and is the only supplement brand to carry products in all categories of athletic supplementation. Their dedication to quality, plus their access to premium dairy produce, has meant that top athletes the world over have consistently supported their products.
View All Optimum Nutrition productsSometimes slower is better - especially when it comes to the rate of protein digestion. While rapid protein absorption is desirable immediately before or after exercise, delayed release is probably more beneficial throughout the remainder of the day; Optimum Nutrition's Casein is the ideal slow release protein to add to your supplement stack
Casein proteins are pH sensitive and gel in the acidic environment of the stomach. As a result, it can take more than twice as long for caseins to be broken down into their amino acid subcomponents than whey and other proteins. Because of their unique time-released qualities, caseins are aptly described as anti-catabolic or muscle-protecting proteins.
SLOW-DIGESTING PROTEIN
Faster digesting protein is desirable immediately before and after exercise to help refuel recovering muscles, but slow digestion and absorption may be more beneficial at other times including bedtime when your body typically goes for hours without food. Casein products are acid sensitive and thicken in the stomach. Compared to some other proteins, it can take longer for our Gold Standard 100% Casein™ to be broken down into its amino acid subcomponents. By using only premium micellar casein as a protein source, Optimum have created a formula that sets the standard for slow digesting protein support.
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Optimum Gold Standard 100% Casein
Chocolate Supreme |
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|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 1 g | 2.9 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 4 g | 11.8 g |
| - Sugar | 1 g | 2.9 g |
| Sodium | 260 mg | 765 mg |
| Cholesterol | 15 mg | 44 mg |
| Dietary Fibre | 1 g | 2.9 g |
| Calcium | 500 mg | 1471 mg |
| Iron | 1.5 mg | 4.4 mg |
| Potassium | 230 mg | 676 mg |
| Magnesium | 85 mg | 250 mg |
| Zinc | 11 mg | 32.4 mg |
| Ingredients | ||
| Micellar Casein, Cocoa Powder (Processed with Alkali), Natural and Artificial Flavour, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Acesulfame Potassium, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Creamy Vanilla |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 0.5 g | 1.5 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 3 g | 9.1 g |
| - Sugar | 1 g | 3 g |
| Sodium | 230 mg | 697 mg |
| Cholesterol | 15 mg | 45 mg |
| Dietary Fibre | 1 g | 3 g |
| Calcium | 500 mg | 1515 mg |
| Magnesium | 85 mg | 258 mg |
| Zinc | 11 mg | 33.3 mg |
| Ingredients | ||
| Micellar Casein, Natural and Artificial Flavour, Inulin, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Chocolate Supreme |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 1 g | 2.9 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 4 g | 11.8 g |
| - Sugar | 1 g | 2.9 g |
| Sodium | 260 mg | 765 mg |
| Cholesterol | 15 mg | 44 mg |
| Dietary Fibre | 1 g | 2.9 g |
| Calcium | 500 mg | 1471 mg |
| Iron | 1.5 mg | 4.4 mg |
| Potassium | 230 mg | 676 mg |
| Magnesium | 85 mg | 250 mg |
| Zinc | 11 mg | 32.4 mg |
| Ingredients | ||
| Micellar Casein, Cocoa Powder (Processed with Alkali), Natural and Artificial Flavour, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Acesulfame Potassium, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Creamy Vanilla |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 0.5 g | 1.5 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 3 g | 9.1 g |
| - Sugar | 1 g | 3 g |
| Sodium | 230 mg | 697 mg |
| Cholesterol | 15 mg | 45 mg |
| Dietary Fibre | 1 g | 3 g |
| Calcium | 500 mg | 1515 mg |
| Magnesium | 85 mg | 258 mg |
| Zinc | 11 mg | 33.3 mg |
| Ingredients | ||
| Micellar Casein, Natural and Artificial Flavour, Inulin, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Chocolate Supreme |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 1 g | 2.9 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 4 g | 11.8 g |
| - Sugar | 1 g | 2.9 g |
| Sodium | 260 mg | 765 mg |
| Cholesterol | 15 mg | 44 mg |
| Dietary Fibre | 1 g | 2.9 g |
| Calcium | 500 mg | 1471 mg |
| Iron | 1.5 mg | 4.4 mg |
| Potassium | 230 mg | 676 mg |
| Magnesium | 85 mg | 250 mg |
| Zinc | 11 mg | 32.4 mg |
| Ingredients | ||
| Micellar Casein, Cocoa Powder (Processed with Alkali), Natural and Artificial Flavour, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Acesulfame Potassium, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Creamy Vanilla |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 0.5 g | 1.5 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 3 g | 9.1 g |
| - Sugar | 1 g | 3 g |
| Sodium | 230 mg | 697 mg |
| Cholesterol | 15 mg | 45 mg |
| Dietary Fibre | 1 g | 3 g |
| Calcium | 500 mg | 1515 mg |
| Magnesium | 85 mg | 258 mg |
| Zinc | 11 mg | 33.3 mg |
| Ingredients | ||
| Micellar Casein, Natural and Artificial Flavour, Inulin, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Chocolate Supreme |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 1 g | 2.9 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 4 g | 11.8 g |
| - Sugar | 1 g | 2.9 g |
| Sodium | 260 mg | 765 mg |
| Cholesterol | 15 mg | 44 mg |
| Dietary Fibre | 1 g | 2.9 g |
| Calcium | 500 mg | 1471 mg |
| Iron | 1.5 mg | 4.4 mg |
| Potassium | 230 mg | 676 mg |
| Magnesium | 85 mg | 250 mg |
| Zinc | 11 mg | 32.4 mg |
| Ingredients | ||
| Micellar Casein, Cocoa Powder (Processed with Alkali), Natural and Artificial Flavour, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Acesulfame Potassium, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Creamy Vanilla |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 0.5 g | 1.5 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 3 g | 9.1 g |
| - Sugar | 1 g | 3 g |
| Sodium | 230 mg | 697 mg |
| Cholesterol | 15 mg | 45 mg |
| Dietary Fibre | 1 g | 3 g |
| Calcium | 500 mg | 1515 mg |
| Magnesium | 85 mg | 258 mg |
| Zinc | 11 mg | 33.3 mg |
| Ingredients | ||
| Micellar Casein, Natural and Artificial Flavour, Inulin, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Chocolate Supreme |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 1 g | 2.9 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 4 g | 11.8 g |
| - Sugar | 1 g | 2.9 g |
| Sodium | 260 mg | 765 mg |
| Cholesterol | 15 mg | 44 mg |
| Dietary Fibre | 1 g | 2.9 g |
| Calcium | 500 mg | 1471 mg |
| Iron | 1.5 mg | 4.4 mg |
| Potassium | 230 mg | 676 mg |
| Magnesium | 85 mg | 250 mg |
| Zinc | 11 mg | 32.4 mg |
| Ingredients | ||
| Micellar Casein, Cocoa Powder (Processed with Alkali), Natural and Artificial Flavour, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Acesulfame Potassium, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
|
Optimum Gold Standard 100% Casein
Creamy Vanilla |
||
|---|---|---|
| Serving Size: 1 Scoop (34g) | ||
| Nutrient | Avg. Qty. Per Serve | Avg. Qty. Per 100g |
| Energy | 502 kJ | 1476 kJ |
| Calories | 120 Cal | 353 Cal |
| Protein | 24 g | 70.6 g |
| Fat - Total | 0.5 g | 1.5 g |
| - Saturated | 0 g | 0 g |
| Carbohydrates | 3 g | 9.1 g |
| - Sugar | 1 g | 3 g |
| Sodium | 230 mg | 697 mg |
| Cholesterol | 15 mg | 45 mg |
| Dietary Fibre | 1 g | 3 g |
| Calcium | 500 mg | 1515 mg |
| Magnesium | 85 mg | 258 mg |
| Zinc | 11 mg | 33.3 mg |
| Ingredients | ||
| Micellar Casein, Natural and Artificial Flavour, Inulin, Salt, Gum Blend (Guar Gum, Gum Acacia, Xanthan Gum), Sunflower and/or Soy Lecithin, Magnesium Oxide, Sucralose, Zinc Sulfate Monohydrate. / Contains: Milk and Soy | ||
| Directions | ||
| 34 grams about 1 scoop of casein protein powder. Mix with 10–12 FL OZ cold water, milk or other beverage. Stir, shake or blend until dissolved. | ||
| Pricing & Offers | ||
| Online & in-store offers may vary. | ||
| Copyright | ||
| Copyright Mr Supplement 2004-2026. This website, the images, text and tables on it are subject to copyright under the Australian Copyright Act 1968 (Cth). | ||
Mr Supplement Shipping Info
- Mr Supplement ships parcels Australia-wide from Monday to Friday (excluding weekends).
- Opening hours of store for purchase & pick up orders: Sydney (Seven Hills) & Perth (Wangara) 9 am-4.30 pm Monday to Friday AEST (excluding public holidays).
- Shipping & Handling Costs – A handling fee of $9.95 for all orders under $150 or FREE Shipping on orders over $150.
- Contact number for other enquiries – 1300 325 797
At Mr Supplement, our promise to you is to have orders dispatched and delivered lightning-fast Australia-wide. Providing your place of delivery has an Australian postcode, rest assured we will get it there as soon as possible.
How do we get it to you so fast? Well, it’s simple really. Firstly we make sure your package is dispatched from one of our two extensive warehouses close to your destination, being either Sydney or Perth. Then we utilise the very fastest transport, which could be via any one of our four (4) dedicated freight companies. Shipments begin being dispatched from both our Sydney & Perth warehouses starting at 10 am daily with the last goods leaving by 5 pm so there are no holding delays.
Secondly, where possible we always use an airfreight service which is why over 85% of our customers receive their orders by the next business day. In short, we don't muck around with shipping. We understand getting your delivery to you fast, without complication & as ordered is the best way of thanking you for trusting us with your supplement business.
Shipping & Handling Costs
A) Our shipping and handling fee is a flat $9.95 Australia-wide or FREE SHIPPING on orders over $150.00. We encourage our customers to reach this amount to take advantage of the FREE DELIVERY offer.
Ordering & Delivery Policy
After choosing to place an order with Mr Supplement we are pleased to advise of the following process which takes place during our business hours (9:00 am-4 pm Monday-Friday EST/EDST).
1. You shall receive an initial confirmation email that your order has been received and is being packed.
2. When goods are dispatched from our warehouse you shall receive a further second email advising your delivery has been successfully shipped.
3. Goods shall be packaged in Mr Supplement branded packaging designed to prevent product damage during transport.
4. Goods ordered prior to 3:15 pm Eastern Australia time (Daylight Saving time when appropriate) shall be dispatched via the fastest method, same business day.
5. Goods are predominately air freighted via one of four transport companies, with delivery extending to all regions of Australia. We utilise multiple transport services as we know this is the only way to ensure the fastest delivery. As a result 85% of our customers receive their goods next working day, with approximately 95% receiving deliveries within 3 working days. Remote or regional areas depending on the exact location may take additional time.
As a tip & for the fastest delivery, we strongly recommend noting a physical street address as opposed to a PO Boxes or Parcel Locker when ordering (PO Box and Parcel Locker deliveries often need to be dispatched via road freight due to Australia Posts freight limitations). In addition, there is unfortunately no option for Express Post service if your order is being sent via Australia Post.
6. Should you wish to track the status of your shipment. Simply log into the Mr Supplement "Locker Room" (your personal member's area) & check your delivery status online. We store all of your shipping information including consignment notes to make checking your order simple and easy. So please don't hesitate to use this service which is free of charge & there to assist you.
7. For your security, deliveries do require a signature on the receipt. Therefore, delivery should be to an address where someone is available to receive and sign for the goods during business hours. In the event no one is available to receive delivery, a card shall be left advising the package is collectable at the nearest Courier or Australia Post depot.
8. Should you wish for deliveries to be left without signature (i.e. front door etc), this should be noted on your order comments. Mr Supplement is happy to oblige with these requests on small order values, however, we shall hold no responsibility for any lost or missing deliveries should these unfortunate circumstances occur. All large value orders, which are determined by Mr Supplement, for security reasons, may still require a signature regardless of any authority to leave instructions.
9. Mr Supplement, the couriers and transport companies used will try at all times to follow order and delivery instructions wherever possible. However, there may be extenuating circumstances where the order and delivery instructions may be void. If you are unsure whether your order or delivery instructions can be met, please contact MrSupplement, the couriers or the transport companies directly.
Your Questions, Answered
When is it most beneficial to consume casein protein?
How does casein protein differ from other types of protein in terms of digestion?
What makes casein protein suitable for bedtime consumption?
Is there a recommended dosage or timing for consuming Optimum Nutrition's Casein?
How does Optimum Nutrition's Gold Standard 100% Casein™ stand out from other casein products?
Hi there I've read that your product should be fine for people with lactose issues, do you have sample packs or smaller sizes please so I can test this out prior to buying a massive tub? Hoping this will be the cherry on my boulder shoulder building cake :)
How does slow-digesting protein like casein help protect muscles?
What is the benefit of slow-release protein like Optimum Nutrition's Casein?
Can casein protein be used in conjunction with other protein supplements?
Can I use this while taking Elemental Nutrition HGH?
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- : Delicious taste for many users
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