I am over 50 and had been feeling stressed and fatigued. A friend in the wellness business suggested I do this saliva test to see if it would indicate any internal issues I may be having. I did so and it indicated my adrenal glands were functioning very very poorly. I made a some changes and started taking Adrena Plex daily. I began to feel better so kept taking them. I recently had another of these tests done and it indicated what I am doing is making a difference in how my adrenals are functioning. I am so glad I heard about this test!