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Ultimate Nutrition® presents the Prostar® 100% Casein Protein shake.

This unique formula combines moderate-tempo hydrolyzed casein (2–4 hours digestion) with slow-release micellar casein (4–7 hours), ensuring a steady amino acid flow to muscles. Perfect for bedtime or breakfast on non-training days, it offers optimal muscle protection and is a top calcium source (60% RDI).

Experience the benefits of naturally-occurring proline for joint health, tyrosine for mood enhancement, and serine for fatty acid metabolism.


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
• 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

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SKU: 730
Barcode: 099071001351