PROSTAR® 100% CASEIN PROTEIN

Prostar® 100% Casein by Ultimate Nutrition® 

Slow Release. Steady Results. 

Fuel recovery and protect your gains long after the workout ends. Prostar® 100% Casein is crafted with both hydrolyzed casein and micellar casein, providing a sustained amino acid release for up to 7 hours. With 24g of protein and 60% of your daily calcium per serving, it’s the perfect bedtime shake or non-training day treat. 

The Science Behind Prostar® 100% Casein 

• Dual-Phase Casein Delivery Each serving blends fast-acting hydrolyzed casein (2–4 hours) with ultra-slow micellar casein (4–7 hours), helping prevent muscle breakdown and keeping your body in an anabolic state throughout the night. 
• 24g Protein + Key Amino Acids Delivers 24 grams of high-quality casein protein with naturally occurring proline (for joint support), tyrosine (for mood regulation), and serine (for fatty acid metabolism). 
• Ideal for Nighttime Recovery Designed for extended digestion, Prostar® 100% Casein works while you rest, supporting muscle repair and feeding your body with steady protein throughout the night. 
• Low Carb, Low Fat At just 120 calories per serving with 3g carbs, 1g fat, and 0g sugar, it’s a lean, clean option that fits into your daily macro goals. 

Why Choose Ultimate Nutrition? 

• Premium Ingredients We use clean, research-backed ingredients to deliver the results you expect. No unnecessary fillers or sugar. 
• Made in the USA Produced in our vertically integrated, FDA-inspected facility for complete control over quality and consistency. 
• Certified Quality Manufactured under NSF-certified cGMP standards with rigorous quality testing for purity and safety. 
• Globally Respected Trusted by athletes worldwide and available at Amazon, Walmart, and top sports retailers in over 180 countries. 

Feed Your Muscles While You Sleep Prostar® 100% Casein by Ultimate Nutrition® is your nighttime nutrition powerhouse engineered to keep your body growing, even when you’re not moving. 

Net Weight: 2 lbs (907 g)
Serving Size: 2 scoops (approximately 33 g)
Servings Per Container: approximately 27

Amount Per Serving (Percent Daily Value, DV)*
Calories: 120
Calories From Fat: 5
Total Fat: 1 g (1% DV)
Saturated Fat: 0 g (0% DV)
Trans Fat: 0 g†
Cholesterol: 20 mg (6% DV)
Sodium: 50 mg (2% DV)
Total Carbohydrates: 3 g (1% DV)
Dietary Fiber: 1 g (5% DV)
Sugars: 0 g†
Protein: 24 g (48% DV)
Vitamin A: 0% DV
Vitamin C: 0% DV
Calcium: 60% DV
Iron: 6%

*Percent Daily Values are based on a 2,000 calorie diet

† Daily Values not established

Typical protein amino acid profile–each serving contains:

L-Leucine* 2,190 mg L-Arginine 789 mg
L-Isoleucine* 1,191 mg L-Aspartic Acid 1,825 mg
L-Valine* 1,303 mg L-Cystine 206 mg
L-Lysine 2,036 mg L-Alanine 815 mg
L-Threonine 1,076 mg L-Glutamic Acid 4,686 mg
L-Methionine 629 mg L-Glycine 447 mg
L-Phenylalanine 1,066 mg L-Histidine 578 mg
L-Tryptophan 437 mg L-Proline 2,334 mg
L-Serine 1,268 mg
L-Tyrosine 1,124 mg

*Total Branched Chain Amino Acids (BCAAs): 4,684 mg
Total Essential Amino Acids: 9,928 mg
Total Amino Acids: 24,000 mg

Ingredients: Deluxe Casein Blend (Micellar Casein and Hydrolyzed Casein)

Other Ingredients: Cocoa, Natural and Artificial Flavors, Waxy Maize, Sucralose, Xanthan Gum, Acesulfame Potassium, and Soy Lecithin.

Contains Milk and Soy.

Take 1–3 servings daily. For optimal results, take 30 minutes prior to
bedtime.
• Fast: Mix 2 scoops (about 33 grams) of Prostar 100% Casein Protein into 8
oz of water or milk in a blender. If desired, add fruit, peanut butter, yogurt,
or ice cream. Blend for 30–45 seconds
• Faster: Mix 2 scoops (about 33 grams) of Prostar 100% Casein Protein into
8 oz of water or milk in a shaker cup. Shake for 25-30 seconds.
• Fastest: Mix 2 scoops (about 33 grams) of Prostar 100% Casein Protein into
8 oz of water or milk in a glass. For a thicker shake, mix into 4 oz of water
or milk. Ultimate Nutrition Prostar 100% Casein Protein is instantized so it
will mix easily with a spoon