VitalityCompare to Ortho Molecular Adrenevive Vitality is formulated to help respond to HPA axis loading, build stress resilience and maintain healthy HPA axis function. Stress is defined as any disturbanceextreme cold or heat, psychological stress, sleep deprivation, work overload, physical trauma, as well as toxic exposure that can trigger the stress response. The bodys stress response system is comprised of the hypothalamic pituitary adrenal (HPA) axis.