Gold Standard Pro Gainer Double Chocolate®

Amino Acids & Protein

Brand: ON Optimum Nutrition

PowderAmino acid/ProteinOn Market
Click to view full label

Net Contents

5.09 Pound(s)

Serving Size

165 Gram(s)

Servings Per Container

14

Supplement Form

Powder

Bar Code (UPC/SKU)

7 48927 02971 0

Product Version

V.5.971.0421US 6063041

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

27Active Ingredients

27 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

29% Daily Value Coverage

29 ingredients report a %DV; 2 meet or exceed 100% DV.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Milk
  • Soy

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 165 Gram(s) · 1– per day

IngredientAmount Per Serving% Daily Value
Calories650 Calorie(s)
Total Fat9 Gram(s)12%
Saturated Fat4 Gram(s)20%
Trans Fat0 Gram(s)
Cholesterol80 mg27%
Sodium340 mg15%
Total Carbohydrates81 Gram(s)29%
Dietary Fiber5 Gram(s)18%
Total Sugars7 Gram(s)
Added Sugars4 Gram(s)8%
Protein60 Gram(s)120%
Vitamin D0 mcg0%
Calcium600 mg45%
Iron7.5 mg40%
Potassium660 mg15%
Vitamin A330 mcg35%
Vitamin C29 mg30%
Vitamin E4 mg25%
Thiamine0.31 mg25%
Riboflavin0.36 mg30%
Niacin4 mg25%
Vitamin B60.4 mg25%
Folate160 mcg DFE40%
Folic Acid95 mcg
Vitamin B121.17 mcg50%
Biotin50 mcg170%
Pantothenic Acid2 mg40%
Phosphorus320 mg25%
Iodine22 mcg15%
Magnesium175 mg40%
Zinc3.5 mg30%
Copper0.55 mg60%
Manganese0.58 mg25%

The % Daily Values tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Other Ingredients

MaltodextrinWhey Protein IsolateWhey Protein ConcentrateCalcium CaseinateWhey Protein, HydrolyzedCocoaMedium Chain TriglycerideSunflower OilNatural & Artificial FlavorsSunflower LecithinSoy LecithinDimagnesium PhosphateTricalcium PhosphateCalcium CarbonateSodium AscorbateDL-Alpha-Tocopheryl AcetateFerrous FumarateBiotinNiacinamideVitamin A AcetateZinc OxideCopper GluconateD-Calcium PantothenateManganese SulfatePyridoxine HydrochlorideRiboflavinThiamine HydrochloridePotassium IodideCyanocobalaminFolic AcidSaltSucraloseAcesulfame Potassium

Target Groups

Adult (18 - 50 Years)

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

165 grams About 1 scoop pro grainer powder 16 fl oz Cold water, milk or other beverage 30 seconds Stir, shake or blend until dissolved

Suggested/Recommended/Usage/Directions

Suggested use: For healthy adults, consume enough energy from a combination of high quality foods and supplements throughout the day as part of a balanced diet and exercise program.

Warnings & Precautions

Precautions re: All Other

See nutrition facts for saturated fat and cholesterol content

Precautions re: Allergies

Contains: Milk and soy.

Storage

Storage

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

Formulation

Formula re: Contains

Why Gold Standard Pro Gainer? 60 Grams of High-Quality Protein to help kick=start recovery 81 Grams of Carbohydrates to help replenish glycogen stores 650 Calories per serving with 4 grams of added sugar With over 20 vitamins & minerals: Supports healthy bones and immunity Excellent source of iron, calcium, Vitamins A, C, E, & Zinc

Formulation re: Other

Strength training Sports performance Weight Gain

Formulation re: Does NOT Contain

No artificial Growth Hormones No significant difference has been shown between milk derived from RBST-Treated and NON-RSBT Treated cows.

Formulation re: Other

Supports muscle recovery & calorie intake Helps boost calorie intake Helps build and maintain muscle When taken in addition to normal calorie intake and regular weight resistance training.

Formula re: Contains

650 Calories 60 g protein Double Chocolate artificially flavored Protein & Carbohydrate Powder Drink Mix

Formulation re: Does NOT Contain

Banned substance tested

Formula re: Contains

Gold Standard Pro Gainer is a high-protein formula delivering calories that count during recovery. Each shake provides ample supplemental protein, carbs, vitamins and minerals to build on the amount you're getting through a balanced diet of food.

Other Label Statements

General Statements: All Other Content

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 30 years in 90+ countries. After careful supplier selection, each ingredient is tested to assure exceptional purity, potency and composition. We hold ourselves to the highest production standards, all so you can unlock your body's full potential. To find out more about the science and ingredients behind our products, visit OPTIMUMNUTRITION.com

Seals/Symbols

Informed Choice We test- You Trust Regularly tested for banned substances A Authentic Optimum Nutrition Product optimumnutrition.com/authentic

Seals/Symbols

Banned substance tested

General Statements: All Other Content

Tip" By using an electric blender, you can stack this gainer formula with fresh/frozen fruits, peanut butter, nuts, seed and other nutrient-dense options. Check out optimumnutrition.com for recipes and training tips.

Seals/Symbols

Manufactured in the USA This product contains ingredients of international and domestic origin.

Manufacturer & Distributor

Manufacturer

Optimum Nutrition, Inc.

3500 Lacey Rd, Suite 1200, Downers Grove, IL, 60515

1 (800) 705-5226

Where to Buy Locally

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Research & Studies

  • ОСОБЛИВОСТІ СКЛАДУ ГЕЙНЕРІВ ЯК АКТУАЛЬНОГО ВИДУ СПОРТИВНОГО ХАРЧУВАННЯ.

    А ЛЮ, Т ТЯ - Scientific Works, 2024 - search.ebscohost.com

    … білків є пептиди глутаміну («Pro gainer» (пшеничні) та «… У складі білків льону («Gold standard gainer») переважають … foods and health benefits. A review // Advances in food and …

    2024
  • Does cocoa/dark chocolate supplementation have favorable effect on body weight, body mass index and waist circumference? A systematic review, meta-analysis and …

    H Kord-Varkaneh, E Ghaedi… - … science and nutrition, 2019 - Taylor & Francis

    … We systematically searched online medical databases including PubMed, SCOPUS, … Chocolate consumption (we considered studies that the supplement adjunct to another supplement/…

    201976 citations
  • The Essential Guide to Creatine for Supporting Athletic Performance

    S SHARMA - optimumnutrition.co.in

    … RCB Shaker and Gold Standard 100% Whey … supplement protocol you use should be based on your individual training needs and consulting with a healthcare provider or a nutrition …

  • The Free Press Vol. 57, Issue 6, 10-27-2025

    J Levesque, C Squires - 2025 - digitalcommons.usm.maine.edu

    … 16 popular protein supplements shook the health … Chocolate) contained over 15 times the lead level of concern at 6.3 micrograms per serving, and Naked Nutrition’s Vegan Mass Gainer …

    2025
  • Dark chocolate supplementation elevates resting energy expenditure in exercise trained females

    KM Presler, MJ Webster - International journal of exercise …, 2021 - pmc.ncbi.nlm.nih.gov

    … health and exercise benefits of (−)-epicatechin-rich cocoa products. This study investigated the influence of dark chocolate (… Being that nutritional supplements are not closely regulated (…

    202110 citations
  • IOC consensus statement: dietary supplements and the high-performance athlete

    RJ Maughan, LM Burke, J Dvorak… - British journal of sports …, 2018 - bjsm.bmj.com

    … The ‘gold standard’ for investigating the effects of supplements … healthy adults that are relevant to athletes. We recognise that … This explains the large number of ‘weight gainers’ and ‘fat …

    20182,183 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-07-24. DSLD Label ID: 332127. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.