Casein protein is a popular choice among fitness enthusiasts for its slow-digesting properties, making it ideal for muscle recovery and overnight nourishment. In 2025, the 10 best casein protein supplements stand out for their quality, taste, and effectiveness. These products not only provide a rich source of protein but also come in various flavors to suit different palates. Whether you're looking to enhance your workout recovery or simply add a nutritious supplement to your diet, these top-rated casein proteins are sure to meet your needs.
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−$8.05
Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Slow Digesting, Helps Keep You Full, Overnight Muscle Recovery, Chocolate Supreme, 4 Pound (Packaging May Vary)
- One 3.97 lb container (53 servings) of Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder in Chocolate Supreme flavor
- 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
$83.94
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−$6.00
Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate, 2 Pound (Packaging May Vary)
- Gold Standard 100% Whey - 24g of protein per serving to help build and maintain muscle when taken over time with regular resistance training
- 5.5g of aturally occurring branched chain amino acids (BCAA and 11g of naturally occurring essential amino acids (EAAs) per serving to support muscle recovery
- Anytime formula – great before or after exercise, between meals, with a meal, or any time of day when you need extra protein
- Optimum Nutrition is the World's #1 Sports Nutrition Brand*
- Banned substance tested and the highest quality control measures so you feel comfortable and confident consuming the product
$35.99
Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Slow Digesting, Helps Keep You Full, Overnight Muscle Recovery, Chocolate Supreme, 4 Pound (Packaging May Vary)
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−$18.55
Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder & Gold Standard 100% Whey Protein Powder, Extreme Milk Chocolate, 5 Pound (Packaging May Vary)
- PACKAGING MAY VARY - New look, with the same trusted Quality!
- SLOW DIGESTING – a great option between meals or at bed-time to support muscle recovery overnight
- MICELLAR CASEIN – 24g of a high-quality, slow-digesting, anti-catabolic protein to help support the recovery process and achieve your health and fitness goals
- SATIETY – helps you feel full and support your weight management goals
- GOLD STANDARD 100% Whey delivers 24g of whey protein, has 5.5 grams of naturally occurring BCAAs, and 4 grams of naturally occurring glutamine per serving. Gluten Free..Number of Items : 1
$159.43
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−$20.47
OPTIMUM NUTRITION Gold Standard 100% Micellar Casein Protein Powder with ZMA Muscle Recovery and Endurance Supplement for Men and Women
- Casein not only supports muscle rebuilding, it may also help with weight management support by helping you feel fuller longer
- The Gold Standard for Slow-Digesting Protein, delivering 24 Grams of slowly digesting protein per serving that is best used between meals or before bed
- HIGH-QUALITY FORMS OF ZINC, MAGNESIUM, AND VITAMIN B6
- 30MG ZINC, 450MG MAGNESIUM, 10.5MG VITAMIN B6
$111.51
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−$2.00
Optimum Nutrition Gold Standard 100% Plant Based Protein Powder, Gluten Free, Vegan Protein for Muscle Support and Recovery with Amino Acids - Creamy Vanilla, 20 Servings (Packaging May Vary)
- 24 grams of plant protein per serving
- Expertly crafted to provide premium muscle support
- Made with quality ingredients, from the leader in sports nutrition. With a Great-tasting blend of pea, rice, and fava bean protein
- Gluten-free, vegan formula made with 9 essential amino acids / BCAAs and 0g sugar
- Optimum Nutrition is the World's #1 Sports Nutrition Brand. Banned substance tested - Highest quality control measures so you feel comfortable and safe consuming the product
$31.99
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−$5.02
Optimum Nutrition ON Gold Standard 100% Whey Protein Primary Source Isolate - Double Rich Chocolate, 2 Lbs + ON Micronized Creatine Monohydrate Powder - Unflavored, 300 Grams
- Introducing the Optimum Nutrition Whey Protein and Creatine Combined Package - a powerhouse duo designed to optimize your fitness and performance. This comprehensive dual package brings you the best of both worlds, combining a 2-pound tub of Optimum Nutrition Whey Protein Double Rich Chocolate with a 300-gram container of creatine monohydrate.
- Optimum Nutrition Gold Standard 100% Whey Protein: The 2-pound tub of Optimum Nutrition Whey Protein delivers premium quality protein with each serving. Packed with 24 grams of a high-quality blend of whey protein isolate, whey protein concentrate, and whey peptides, it provides your muscles with the essential amino acids necessary for recovery and growth. This fast-absorbing formula helps kick-start muscle repair, reduce muscle soreness, and support your fitness goals.
- Creatine Monohydrate: The 300-gram container of creapure creatine monohydrate is a tried-and-true supplement for athletes and fitness enthusiasts. Creatine is a naturally occurring compound that helps increase ATP production, the primary energy source for muscle contractions. By supplementing with creatine, you can experience improved muscle strength, power, and endurance during your workouts. It also promotes muscle volumization, giving your muscles a fuller, more defined look. Unflavored for Stacking Versatility
$53.96
BulkSupplements.com Casein Protein Powder - Micellar Casein Powder, Protein Powder Casein, Casein Powder - Gluten Free & Soy Free, 30g per Serving, 1kg (2.2 lbs) (Pack of 1)
- Maximize your Potential: Enhance your active lifestyle with our Casein Protein powder, an unflavored protein powder, designed to support your strength and performance goals. Each serving delivers a substantial 30 grams dose, catering to both fitness enthusiasts looking to push their limits.
- Versatile Protein Source: Whether you're an athlete, a sprinter, or someone simply looking to stay active, our Casein Protein powder, or Micellar Casein Protein powder, fits seamlessly into your regimen, adaptable to a wide range of dietary needs and preferences, but not for individuals with gluten sensitivities
- Optimized in every Serving: Our Casein Protein, in Casein powder, is free of artificial flavors and added sugar, offering you a high-quality product that easily integrates with other supplements or your preferred shake or beverage.
- Transparent and Trustworthy: Experience the confidence that comes with choosing a supplement that not only meets rigorous third-party testing but also upholds the principles of clarity and integrity in its formulation and production.
- "Commitment to Excellence: Produced in a facility compliant with strict cGMP standards, our Casein Protein powder, or Micellar Casein powder, stands as a testament to our dedication to quality. You can trust in our product's consistency and excellence, batch after batch. "
$34.97
Dymatize Elite Casein Protein Powder, Slow Absorbing with 25g Protein, BCAAs & Leucine for Muscle Building and Overnight Recovery, Rich Chocolate, 4 Pound
- 25 grams of protein from 100% micellar casein, a sustained-absorbing protein for prolonged muscle support
- 5 grams of BCAAs, including 2.3 grams of L-Leucine per serving for muscle support and recovery
- Ideal for overnight sustained muscle growth and repair, or other extended periods of time between meals
- Provides a sustained release of muscle building amino acids to support muscle growth and recovery
- 4 lbs of Dymatize Elite 100% Micellar Casein Rich Chocolate Protein Powder (50 Servings)
$71.84
Naked Chocolate Casein - Chocolate Micellar Casein Protein - 5 Pound Bulk, GMO-Free, Gluten-Free, Soy-Free, Preservative-Free - Stimulate Muscle Growth - Enhance Recovery - 60 Servings
- ONLY THREE INGREDIENTS: 100% Micellar Casein Protein, Organic Cacao Powder, and Organic Coconut Sugar. Naked Chocolate Casein contains no artificial sweeteners or colors and is GMO-Free, No rBGH or rBST, Soy Free and Gluten-Free.
- US FARMS ONLY: Our chocolate casein protein powder is brought to you only from US farms to ensure that our protein powder is packed full of essential amino acids, clean protein and BCAAs.
- MAXIMUM NUTRITION: 26g of Protein, 5g of Sugar, 6g of Carbs, 130 Calories, and 5.4g of BCAAs (branched-chain amino acid) per serving.
- COLD PROCESSED: Naked Casein is cold processed, which means there is no contamination from chemical detergents (no acid or bleach), synthetic additives, or heavy metals.
- CHOCOLATE CASEIN: We use the best tasting chocolate and organic coconut sugar to create a chocolate protein powder that can easily be used on its own or used in protein pancakes, cookies, or your favorite protein shake.
$99.99
Last update on 2025-05-02 / Affiliate links / Images from Amazon Product Advertising API