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.