Calcium Caseinate
Snapshot
Calcium Caseinate is a slow-digesting milk protein known for its sustained amino acid release, muscle-preserving properties, and satiety-enhancing effects. It’s commonly used in meal replacements, protein blends, and sports nutrition formulas.
What is Calcium Caseinate?
Calcium Caseinate is a protein derived from casein, the main protein in milk, by reacting it with calcium hydroxide. This process results in a water-soluble, high-protein ingredient with a neutral taste and thickening properties. It digests slowly in the stomach, making it ideal for prolonged amino acid delivery.
Where It Comes From
Sourced from cow’s milk, casein is separated from whey during cheese production. It is then treated with calcium compounds to produce calcium caseinate. This form enhances stability, solubility, and calcium content compared to other casein variants.
Key Nutrients & Compounds
Contains all nine essential amino acids (making it a complete protein), and is naturally rich in branched-chain amino acids (BCAAs) like leucine, isoleucine, and valine. Also provides bioavailable calcium, supporting bone health and muscular function.
Health Benefits
Calcium Caseinate helps support muscle maintenance and growth by delivering a steady supply of amino acids over several hours. It enhances satiety, making it useful for weight management. The calcium content contributes to skeletal health and metabolic regulation. It's also gentle on digestion and may support recovery during overnight fasting or long intervals between meals.
Recommended Dosage
Typically dosed between 20–40 g per serving, often taken once or twice daily depending on protein needs. It is commonly consumed post-workout, before bed, or as part of a meal replacement shake.
How to Use It
Mix with water, milk, or into smoothies. Calcium Caseinate can also be blended into baking recipes or bars for a high-protein boost. Due to its thick texture, it works well in puddings and creamy shakes. Best consumed when a slow release of protein is desired.
Who Should Use It?
Athletes, bodybuilders, individuals recovering from surgery or illness, and those seeking to maintain lean muscle mass during dieting phases can all benefit. It is also suitable for those who need a long-lasting protein source for extended satiety.
Possible Interactions or Cautions
Not suitable for individuals with dairy or casein allergies. May cause gastrointestinal discomfort in those with lactose intolerance, though the lactose content is typically low. Always ensure adequate hydration when increasing protein intake.
Final Thoughts
Calcium Caseinate offers a versatile and effective protein source for those needing sustained amino acid delivery. It supports muscle retention, recovery, and fullness—making it a solid addition to a comprehensive nutrition plan.
Scientific Studies
Boirie Y, Dangin M, Gachon P, Vasson MP, Maubois JL, Beaufrère B. Slow and fast dietary proteins differently modulate postprandial protein accretion. Proc Natl Acad Sci USA. 1997;94(26):14930–14935. https://doi.org/10.1073/pnas.94.26.14930
Demling RH, DeSanti L. Effect of a hypocaloric diet, increased protein intake, and resistance training on lean mass gains and fat mass loss in overweight police officers. Ann Nutr Metab. 2000;44(1):21–29. https://doi.org/10.1159/000012814
Tipton KD, Wolfe RR. Protein and amino acids for athletes. J Sports Sci. 2004;22(1):65–79. https://doi.org/10.1080/0264041031000140554