L-Proline powder jar with doser to prepare drinks enriched with nutrients. L-Proline is an amino acid involved in the constitution of human tissues. It is the main constituent of the fibrous protein which is the matrix of collagens. * 100% plant-based L-Proline * Soluble powder to be diluted in your favorite drinks (water, juice, smoothie). * Jar with a freshness seal guaranteeing tightness and inviolability * Includes 1 g doser to facilitate your intake