| Effect | None |
| Trial Design | Double blind |
| Trial Length | 1-2 Weeks |
| Number of Subjects | 28 |
| Sex | Both Genders |
| Age Range | 45-64 |
| Body Types | Average |
In athletes given 1,500mg Vitamin C daily for a week prior to a marathon (and then extra supplemental Vitamin C throughout the race), post-exercise cortisol had its spike exacerbated after the race but failed to influence immune parameters (salivary IgA).
