NuMedica Gluten Support PRP Balance Immune and Cytokine system support. Supports immune system and healthy cognitive function. A bovine colostrum immune balancing spray containing Proline-Rich Polypeptides (PRPs), which help to modulate normal immune responses. PRPs are information-carrying proteins (peptides) with amazing adaptability. They support the body's balanced production of cytokines by sending signals via specific cell receptor sites. PRPs also support the thymus gland, which is known as the body's central command for the immune system. Recommended Use: Spray four times directly into the mouth and hold for up to 30 seconds before swallowing. Take twice daily, early in the morning and before bedtime, or as directed by your healthcare practitioner.