---
product_id: 3962049
title: "Gold Standard Casein Protein Powder, Peanut Butter, 4 LB"
brand: "optimum nutrition"
price: "$249.29"
currency: USD
in_stock: true
category: "Optimum Nutrition"
url: https://www.desertcart.us/products/3962049-gold-standard-casein-protein-powder-peanut-butter-4-lb
store_origin: US
region: United States of America
---

# Supports overnight muscle recovery 24g slow-digesting protein Delicious Chocolate Peanut Butter flavor Gold Standard Casein Protein Powder, Peanut Butter, 4 LB

**Brand:** optimum nutrition
**Price:** $249.29
**Availability:** ✅ In Stock

## Summary

> 🥜💪 Fuel your gains overnight with the peanut butter protein that never quits!

## Quick Answers

- **What is this?** Gold Standard Casein Protein Powder, Peanut Butter, 4 LB by optimum nutrition
- **How much does it cost?** $249.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/3962049-gold-standard-casein-protein-powder-peanut-butter-4-lb)

## Best For

- optimum nutrition enthusiasts

## Why This Product

- Trusted optimum nutrition brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Mix & Go Convenience:** Easily blends with a shaker cup—perfect for your on-the-move lifestyle and gym bag essentials.
- • **Amino Acid Powerhouse:** Packed with 9g of naturally occurring essential amino acids to keep your muscles primed and ready.
- • **Nutrient-Rich Formula:** Loaded with zinc, magnesium, and calcium to support overall wellness and muscle function.
- • **Sustained Muscle Fuel:** 24g of 100% micellar casein delivers slow-release protein to power your overnight recovery.
- • **Trusted Global Leader:** From the world’s #1 sports nutrition brand, ensuring quality and performance you can count on.

## Overview

Optimum Nutrition Gold Standard Casein Protein Powder offers 24 grams of slow-digesting micellar casein per serving, enriched with 9 grams of essential amino acids and vital minerals like zinc, magnesium, and calcium. Designed for overnight muscle recovery and sustained fullness, this Chocolate Peanut Butter-flavored powder mixes effortlessly and comes in a 4 lb tub with 53 servings, trusted globally as a top-tier sports nutrition choice.

## Description

Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder helps support muscle recovery. Made with micellar casein, this protein shake powder ensures that you're getting high quality protein with every serving. With nearly 9 grams of naturally occurring Essential Amino Acids per serving, this protein powder drink supports recovery, making it ideal for use between meals and before bedtime. Each serving of this delicious Chocolate Peanut Butter-flavored powder is an excellent source of zinc, magnesium and calcium and provides 24 grams of protein. Optimum Nutrition powder mixes easily using a shaker cup or blended in a smoothie. There are 53 servings in this 3.97 pound container. Gold Standard 100% Casein from Optimum Nutrition, the World's #1 Sports Nutrition Brand.* *Source Euromonitor International Limited; Consumer Health 2023 Edition, Sports Nutrition category, %retail value shares, 2022 data.

## Features

- nan
- Made in USA
- 3.86 lb container (53 servings) of Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder in Chocolate Peanut Butter
- With micellar casein, this Optimum Nutrition protein powder helps support muscle recovery
- Each serving has 9 grams of naturally occurring Essential Amino Acids
- Feel good about your after-workout recovery drink
- Mixes easily with a shaker cup, perfect for packing in your gym bag as part of your training routine

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002RWJQJK |
| ASIN  | B002RWJQJK |
| Age Range Description | Adult |
| Best Sellers Rank | #3,534 in Health & Household ( See Top 100 in Health & Household ) #34 in Sports Nutrition Protein Powder Blends #429 in Sales & Deals |
| Brand Name | Optimum Nutrition |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,152) |
| Date First Available  | April 21, 2004 |
| Department  | unisex-adult |
| Flavor | Chocolate Peanut Butter |
| Global Trade Identification Number | 00748927026283 |
| Item Dimensions | 8.06 x 8.06 x 11.17 inches |
| Item Weight | 1.8 kg |
| Item model number  | 1031642 |
| Manufacturer | Optimum Nutrition |
| Manufacturer  | Optimum Nutrition |
| Manufacturer Part Number | 1031642 |
| Material Type Free | Sugar Free |
| Model Name | Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Slow Digesting, Helps Keep You Full |
| Model Number | 1031642 |
| Number of Items | 1 |
| Package Type Name | Tub |
| Product Dimensions  | 8.06 x 8.06 x 11.17 inches; 3.97 pounds |
| Protein | 24 g |
| Protein Source | Casein, Whey |
| Recommended Uses For Product | Fitness |
| UPC | 748927026283 748927066302 |
| Unit Count | 64 Ounce |
| Vitamins And Minerals | 0, 0, 15, 240, 240.0, 4, 50 percent_daily_value_fda, 240 milligrams |

## Product Details

- **Brand:** Optimum Nutrition
- **Flavor:** Chocolate Peanut Butter
- **Item Weight:** 1.8 kg
- **Material Type Free:** Sugar Free
- **Protein Source:** Casein, Whey

## Images

![Gold Standard Casein Protein Powder, Peanut Butter, 4 LB - Image 1](https://m.media-amazon.com/images/I/71SXDyvOp1L.jpg)
![Gold Standard Casein Protein Powder, Peanut Butter, 4 LB - Image 2](https://m.media-amazon.com/images/I/81yCQDc6YFL.jpg)
![Gold Standard Casein Protein Powder, Peanut Butter, 4 LB - Image 3](https://m.media-amazon.com/images/I/81v0LG7tgjL.jpg)
![Gold Standard Casein Protein Powder, Peanut Butter, 4 LB - Image 4](https://m.media-amazon.com/images/I/81jnwdwy6bL.jpg)
![Gold Standard Casein Protein Powder, Peanut Butter, 4 LB - Image 5](https://m.media-amazon.com/images/I/81xzoqg2EaL.jpg)

## Available Options

This product comes in different **Size, Flavor** options.

## Frequently Bought Together

- Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Slow Digesting, Helps Keep You Full, Overnight Muscle Recovery, Chocolate Peanut Butter, 4 Pound (Packaging May Vary)
- Optimum Nutrition Gold Standard 100% Whey Protein Powder, Vanilla Ice Cream, 5 Pound (Packaging May Vary)
- Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, 120 Servings, 600 Grams (Packaging May Vary)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-01*