10 Best casein protein (2025)

10 Best casein protein options for 2025 offer a range of high-quality choices for fitness enthusiasts and those seeking muscle recovery. These proteins are known for their slow digestion, providing a steady release of amino acids, making them ideal for nighttime use or between meals. Top brands like Optimum Nutrition, Dymatize, and MusclePharm have formulated their casein proteins to enhance flavor and mixability. Additionally, innovative options with added nutrients and flavors cater to diverse dietary needs. Whether you're looking to build muscle or maintain a healthy diet, these casein proteins are sure to meet your goals effectively.

SaleBestseller No. 1

Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder, Slow Digesting, Helps Keep You Full, Overnight Muscle Recovery, Chocolate Supreme, 2 Pound (Packaging May Vary)

One 1.87 lb container (25 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

Bestseller No. 2

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)

Bestseller No. 3

Six Star Casein Protein Powder Elite Casein Protein Powder Slow-Digesting Micellar Casein Protein Powder for Muscle Gain Triple Chocolate Protein Powder, 2 lbs (26 Servings) (Package May Vary)

CASEIN PROTEIN POWDER – Six Star Casein Protein Powder is designed to feed your muscles the highest quality blend of protein available. Each serving delivers 24g blend of proteins taken from multiple sources with variable digestive rates
SLOW ABSORBING PROTEIN BLEND – Six Star Casein is a premium blended protein formula that feeds your muscles for 8 hours, with high biological value and sustained-release protein. This makes it the perfect protein for any time of the day or night
PROTEIN POWDER for MUSCLE GAIN – Six Star Casein Protein supports protein synthesis by delivering incredibly high doses of BCAAs, glutamine and essential amino acids (EAAs)
MUSCLE RECOVERY – Whey protein promotes rapid recovery from exercise and supports an insulinogenic response for improved nutrient delivery for men and women. Builds lean muscle, increases strength and enhances performance
DAILY WORKOUT SUPPLEMENTS – Mix 1 scoop with 10 oz of cold water or skim milk in a glass or shaker cup. Take 1 to 2 servings per day, one before bed. For full effect, take 2 servings at once

Bestseller No. 4

Nutricost Casein Protein Powder 2lb Chocolate - Micellar Casein, Gluten Free, Non-GMO

2 Pounds of Casein Protein
100% Chocolate Flavored Micellar Casein
24 Grams of Protein Per Serving (26 Servings)
Manufactured In a GMP Compliant, FDA Registered Facility
Non-GMO, Gluten Free

SaleBestseller No. 5

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. "

Bestseller No. 6

Naked Casein - 1Lb Micellar Casein Protein - Bulk, Gmo-Free, Gluten Free, Soy Free, Preservative Free - Stimulate Muscle Growth - Enhance Recovery - 15 Servings

ONLY ONE INGREDIENT: 100% Micellar Casein Protein Powder with no rBGH and no rBST. No additives mean your casein shakes, smoothies and recipes will provide clean muscle gains and maximum recovery.
US FARMS ONLY: Our Casein 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.
COLD PROCESSED: Naked Casein is cold processed, which means there is no contamination from chemical detergents (no acid or bleach) or synthetic additives.
UNMATCHED NUTRITION: 26g of Protein, 2g of Sugar, 0g of Carbs, 110 Calories, and 5.9g of BCAAs (branched-chain amino acids) per serving.
PURE CASEIN PROTEIN: No additives mean your pre and post workout casein protein shakes, smoothies and recipes provide clean muscle gains and maximum recovery.

Bestseller No. 7

Levels 100% Micellar Casein Protein, Hormone Free, Chocolate, 2LB

LEVELS CASEIN PROTEIN: Each scoop of Levels Chocolate Casein contains 24g Protein, 5.2g BCAAs (branched-chain amino acids), and no added sugars. Trusted by athletes, fitness enthusiasts and daily grinders everywhere, our products are crafted for everyone’s lifestyle.
100% MICELLAR CASEIN: Quality milk tastes better, way better. That’s why hormone-free dairy is the only dairy we use to make our casein protein. Micellar Casein is the least processed form of casein, which means it’s loaded with high-quality complete protein and essential amino acids.
SIMPLE & CLEAN: No fake chocolate flavor here. Levels Chocolate Casein is made with delicious cacao powder, natural flavor and lightly sweetened with monk fruit extract.
NOTHING FAKE: Levels Casein is naturally delicious. That means no hormones, no GMOs, no added sugars, no soy, no gluten, no bleach, no fillers, and no artificial flavors or sweeteners.
MADE IN THE USA: Levels Casein is made in the U.S.A. Each batch is cold-process microfiltered and blended with non-gmo sunflower lecithin for that insanely easy mixing you expect.

Bestseller No. 8

Ascent Casein Protein Powder - 25g Micellar Casein Powder with Zero Artificial Flavors & Sweeteners, Gluten Free, No Added Sugar, 4.9g BCAA, 2.2g Leucine - Chocolate Peanut Butter, 2 Pounds

Native Fuel Casein Protein - The least-processed chocolate peanut butter casein protein available today, naturally higher in leucine for muscle synthesis. Create a delicious pudding by mixing 4 oz of milk with a scoop of casein protein powder for a perfect high protein recovery snack.
25g Protein Per Scoop - 11g Naturally occurring BCAAs, and a clean, minimalist ingredient list. Certified Gluten Free and Informed Choice Certified.
Slow Digesting Protein Powder - Designed for overnight recovery with slow digesting casein. Start preventing muscle loss overnight and optimize your muscle growth and recovery.
0g of Added Sugar, Zero Artificial Flavors and Sweeteners - Clean, pure protein that easily fits low carb and keto diets. Perfect for recipes & baking high protein snacks.
2 LB Casein Protein Powder with included scoop - Simple collapsible bag packaging for easier storage in small or irregular cabinets and drawers.

Bestseller No. 9

WHEY PROTEIN POWDER – MuscleTech Phase8 is designed to feed your muscles the highest quality blend of protein available. Each serving delivers 26g blend of proteins taken from multiple sources with variable digestive rates
CASEIN PROTEIN plus WHEY PROTEIN BLEND – Phase8 is a premium blended protein formula that feeds your muscles for 8 hours, with high biological value and sustained-release protein. This makes Phase8 the perfect protein for any time of the day or night
PROTEIN POWDER for MUSCLE GAIN – Phase8 supports protein synthesis by delivering incredibly high doses of BCAAs, glutamine and essential amino acids (EAAs)
MUSCLE RECOVERY – Whey protein promotes rapid recovery from exercise and supports an insulinogenic response for improved nutrient delivery for men and women. Builds lean muscle, increases strength and enhances performance
DAILY WORKOUT SUPPLEMENTS – Mix 1 scoop with 8 oz of cold water or skim milk in a glass or shaker cup. For best results, mix 2 scoops with 16 oz of cold water or skim milk. Use between major meals and after exercise

Bestseller No. 10

NutraBio Micellar Casein Protein Powder-Casein Protein Powder Strawberry- Slow Digesting - Muscle Growth - Essential Amino Acids - Non-GMO - Gluten & Soy Free-2 lbs Strawberry Ice Cream

Sustained Amino Acid Release: Enjoy a steady flow of amino acids for up to 7 hours with NutraBio Micellar Casein protein powder, ensuring prolonged muscle recovery and growth.
Perfect Pre-Bedtime Protein: Ideal for nighttime use, this slow-digesting casein protein powder supports muscle repair and prevents breakdown while you sleep.
High-Quality Protein Source: 100% casein powder with no inferior caseinates, delivering essential amino acids for muscle maintenance and growth.
Enhanced Satiety: Improve hunger control and stick to your nutrition plan by using this protein between meals for lasting fullness and energy.
Boost Muscle Recovery: Packed with 5g BCAAs and 5g Glutamine per serving, NutraBio Micellar Casein Powder helps reduce soreness and accelerate recovery from intense workouts.

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