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DecentdairyOPTIMUM NUTRITION· 1 Heaping Scoop

OPTIMUM NUTRITION CHOCOLATE PEANUT BUTTER FLAVORED GOLD STANDARD 100% CASEIN PROTEIN POWDER DRINK MIX, CHOCOLATE PEANUT BUTTER

OPTIMUM NUTRITION CHOCOLATE PEANUT BUTTER FLAVORED GOLD STANDARD 100% CASEIN PROTEIN POWDER scores 53/100 (Decent), primarily driven by its high protein content and significant calcium, balanced against its ultra-processed nature and notable sodium level.

This OPTIMUM NUTRITION product scores 53/100 (Decent) on FoodScore.
It provides a substantial 70.59g of protein per 100g serving.
A key concern is its NOVA 4 classification, indicating it is ultra-processed.
It contains 705.88mg of sodium per 100g, which is higher than many generic dairy options.
This powder can be a convenient way to increase protein intake, especially post-workout or before bed.
Scores +20 points above the dairy category average (33/100 across 5088 foods).

Fiber

10% of Daily Value

Protein

70.59g

141% of Daily Value

Added sugar

0% of Daily Value

Sodium

705.88mg

31% of Daily Value

What it brings to the table

Fiber (2.9g)+2

Protein (70.6g)+10

Micronutrients (Calcium, Iron)+4

What holds it back

Sodium (705.9mg)-3

Ultra-processed (NOVA 4)-10

Why it scores 53

OPTIMUM NUTRITION CHOCOLATE PEANUT BUTTER FLAVORED GOLD STANDARD 100% CASEIN PROTEIN POWDER achieves a FoodScore of 53 out of 100. The product receives significant bonuses for its high protein content, contributing +10 points due to 70.59g per 100g, and for micronutrients like calcium (1470.59mg, 113% DV) and iron (2.12mg, 12% DV), adding +4 points. A small bonus of +2 points is also given for its 2.9g of fiber. However, these benefits are offset by penalties. The product is classified as NOVA 4, meaning it is ultra-processed, which incurs a -10 point penalty. Additionally, its sodium content of 705.88mg per 100g results in a -3 point penalty. The presence of artificial sweeteners like sucralose and acesulfame potassium, while contributing to 0g of added sugar, is a characteristic of ultra-processed foods. Compared to a generic dairy equivalent, which would typically be minimally processed and lower in sodium, this OPTIMUM NUTRITION powder offers a concentrated protein source but with a higher degree of processing.

Health benefits

What the nutrients in optimum nutrition chocolate peanut butter flavored gold standard 100% casein protein powder drink mix, chocolate peanut butter actually do for you, grounded in established dietary science.

Supports Muscle Maintenance and Growth

This protein powder is an excellent source of protein, providing 70.59g per 100g. Casein protein is known for its slow digestion rate, which can provide a sustained release of amino acids to muscles over several hours. This makes it particularly beneficial for muscle repair and growth, especially when consumed before sleep or during extended periods without food. The high protein content can help individuals meet their daily protein requirements, which is crucial for athletes and those looking to maintain or build muscle mass.

Contributes to Bone Health

OPTIMUM NUTRITION GOLD STANDARD 100% CASEIN PROTEIN POWDER is a significant source of calcium, delivering 1470.59mg per 100g, which is 113% of the Daily Value. Calcium is a critical mineral for bone density and strength, playing a vital role in preventing osteoporosis. Incorporating this product into the diet can help individuals, particularly those with higher calcium needs, ensure adequate intake for maintaining strong bones and teeth. The presence of calcium is a direct benefit derived from its dairy-based casein protein.

Provides a Convenient Protein Source

For individuals with busy lifestyles or specific dietary goals, this protein powder offers a highly convenient way to consume protein. It can be easily mixed with water or milk, providing a quick and portable option for post-workout recovery, a meal replacement component, or a snack. The concentrated nature of the protein means a significant amount can be consumed without a large volume of food, which is useful for managing calorie intake while prioritizing protein.

How to eat it

OPTIMUM NUTRITION GOLD STANDARD 100% CASEIN PROTEIN POWDER is typically consumed as a shake, often mixed with water or milk. It's popular among athletes for post-workout recovery or as a nighttime protein source due to casein's slow digestion. A common portion is one heaping scoop.

Mix with water or unsweetened milk (dairy or plant-based) to control calorie and added sugar intake.

Consider blending with a small amount of fruit or spinach to add fiber and micronutrients.

Use as a component of a balanced snack or meal, rather than a sole meal replacement, to ensure a wider range of nutrients.

For a thicker consistency, mix with less liquid or add ice and blend.

Things to keep in mind

This OPTIMUM NUTRITION product contains micellar casein, derived from milk, making it unsuitable for individuals with dairy allergies or lactose intolerance. The ingredient list also includes a gum blend (cellulose gum, xanthan gum, carrageenan) and lecithin, which are common food additives. Some individuals may experience digestive discomfort from these gums, particularly those with sensitive digestive systems. The product also contains artificial sweeteners like acesulfame potassium and sucralose. While generally recognized as safe, some people prefer to limit their intake of artificial sweeteners. The sodium content of 705.88mg per 100g is notable, and individuals monitoring their sodium intake should account for this when consuming the product.

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Reader questions

Is OPTIMUM NUTRITION GOLD STANDARD 100% CASEIN PROTEIN POWDER healthy?

This product scores 53/100 (Decent) on FoodScore. It is a highly concentrated source of protein and calcium, which are beneficial for muscle and bone health. However, it is classified as ultra-processed (NOVA 4) and contains artificial sweeteners and a notable amount of sodium. Its healthfulness depends on individual dietary needs and overall dietary pattern.

How does OPTIMUM NUTRITION GOLD STANDARD 100% CASEIN PROTEIN POWDER compare to a generic dairy equivalent?

Compared to a generic dairy equivalent like plain Greek yogurt, this protein powder is significantly higher in protein per 100g (70.59g vs. typically 10-17g for yogurt) and calcium (113% DV vs. around 15-20% DV). However, plain Greek yogurt is minimally processed (NOVA 1) and typically much lower in sodium, without artificial sweeteners. This powder offers concentrated nutrients but with more processing.

What is micellar casein and why is it used?

Micellar casein is a slow-digesting protein derived from milk. It forms a gel in the stomach, leading to a gradual release of amino acids into the bloodstream over several hours. This makes it popular for sustained muscle nourishment, especially during periods like sleep or between meals, helping to prevent muscle breakdown.

How much of this protein powder should I consume daily?

The recommended serving size is one heaping scoop. Your daily protein needs vary based on age, activity level, and health goals. While this product is a good protein source, it's important to consider your total protein intake from all food sources throughout the day. Consult a registered dietitian for personalized advice.

Can I use this protein powder for weight loss?

Protein can contribute to satiety, which may be helpful for weight management by reducing overall calorie intake. With 70.59g of protein per 100g, this powder can help you feel full. However, successful weight loss depends on a balanced diet and calorie deficit, not just one food item. It should be part of a comprehensive plan.

Does this product contain allergens?

Yes, the primary ingredient is micellar casein, which is a milk-derived protein. Therefore, this product contains milk and is not suitable for individuals with milk allergies or severe lactose intolerance. Always check the full ingredient list for other potential allergens or cross-contamination warnings.

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Data & references

Nutrient values: USDA FoodData Central.
Daily Value baselines: FDA Daily Values and NIH Dietary Reference Intakes.
Dietary pattern guidance: USDA Dietary Guidelines for Americans 2020-2025.
Processing classification: NOVA food classification.
Scoring formula: FoodScore methodology.

Sources: USDA FoodData Central (Branded, fdcId 1996681, modified 6/18/2021)Updated 2026-04-24