The goal of this clinical trial is to learn about the effects of AP-Brain collagen peptide on attention, focus, and memory in adults who are stressed but otherwise healthy. The main questions it aims to answer are: * How does AP-Brain affect a participant's attention, focus, stress, and memory? * Is there a difference in the effects between a higher dose and a lower dose? * What are the side effects, if any, for participants taking AP-Brain? Researchers will compare two different doses of AP-Brain to see how they affect brain function and stress levels. Participants in this study will be asked to: * Take one of two the doses of AP-Brain once a day for 56 days. * Visit the study center for regular checkups. * Complete tasks that measure memory, focus, and attention. * Answer survey questions about their stress levels. * Provide blood samples and have vital signs checked. * Have the brain's response to tasks monitored to see how it affects attention and alertness.
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Change from Baseline and Different Doses on Selective Attention and Focus by Stroop Color-Word Test at Day 56
Timeframe: Baseline and Day 56