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Gold Standard 100% Casein Chocolate Peanut Butter

product on market Powder ON Optimum Nutrition Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 18% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

The listed top ingredients consist of basic macronutrients and minerals that provide energy and maintain systemic balance. There is strong evidence supporting the role of proteins and carbohydrates in muscle recovery and metabolic function. The current evidence coverage for this specific profile is very limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Gold Standard 100% Casein Chocolate Peanut Butter
Open Full PDF View on NIH DSLD →
Details

Label Data

34 Gram(s)
Serving Size
25
Servings
Amino acid/Protein
Product Type
18%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
120 Calorie(s)
Total Fat
1 Gram(s) (1% DV)
Cholesterol
15 mg (5% DV)
Sodium
240 mg (10% DV)
Total Carbohydrates
4 Gram(s) (1% DV)
Protein
24 Gram(s) (48% DV)
Calcium
500 mg (40% DV)
Iron
1.4 mg (8% DV)
Potassium
200 mg (4% DV)
85 mg (20% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
11 mg (100% DV)
Within RDA (1.0× RDA) 263 studies (A:6, B:134)

Other Ingredients

Micellar Casein Cocoa, Powder Natural & Artificial Flavors Salt Guar Gum Gum Acacia Xanthan Gum Sunflower Lecithin Soy Lecithin Magnesium Oxide Acesulfame Potassium Sucralose Zinc Sulfate Monohydrate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

34 Grams About 1 scoop casein protein powder 10-12 fl oz cold water, milk or other beverage 30 seconds Stir, shake or blend until dissolved For best results, mix up your shake 30-60 minutes before bed, or have it anytime to boost your protein intake. Use 8-10 fl oz for a thicker consistency and 12-14 fl oz for a thinner consistency.

Suggested use: For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.

Warnings & Precautions

Notice: Use this product as a food supplement only. Do not use for weight control.

Contains: Milk and soy.

Formulation Notes

Why Gold Standard 100% Casein? Packed with 24 grams of slow digesting (when compared to whey protein) premium micellar casein protein to support muscle recovery. 9 grams of naturally occurring Essential Amino Acids (EAAs) to support muscle recovery.

A slow digesting protein may be used to support muscle recovery at times you go without food such as while you sleep or between meals. Active lifestyle Sports Strength training

Optimum Nutrition has been trusted to provide the highest quality in post-workout recovery, pre-workout energy, and on-the-go sports nutrition for over 35 years and in 90+ countries. After careful supplier selection, ingredients are tested to assure purity, potency and composition. We hold ourselves to the highest production standards, all so you can unlock your body's full potential.

Authentic Optimum Nutrition Product Optimumnutrition.com/authentic Nighttime recovery

Excellent source of magnesium & zinc

Informed Choice We Test - You Trust Regularly Tested for banned substances

Nighttime & between meals Muscle recovery

24 G Protein 9 G EAAs Naturally occurring amino acids 1 G Sugar Chocolate peanut butter Artificially flavored 100% of the protein from micellar casein Protein powder drink mix

Not a significant source of saturated fat, trans fat and vitamin D.

Gold Standard 100% Casein is designed for maximum mixability and superior drinkability.

Additional Information

To find out more about the science and ingredients behind our products, visit optimumnutrition.com. US only Discard seal, empty & replace lid and scoop Plastic tub how2recycle.info Optimum Nutrition is a proud partner with how2recycle.

Informed Choice We Test - You Trust Regularly Tested for banned substances

Manufactured in the USA This product contains ingredients of International and Domestic Origin.

Contents sold by weight not volume. Some settling will occur. Store in a cool, dry place. Serving scoop included, but may settle to the bottom during shipping.

Check out optimumnutrition.com for recipes and training tips.

Metadata

Product Details

UPC / SKU7 48927 02627 6
DSLD Entry Date2025-07-24
Product TypeAmino acid/Protein
FormPowder
DSLD ID331936
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
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A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
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A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.