The study and its comparison
Forty-two high-school students were randomized to vitamin C or placebo for fourteen days. Investigators measured blood vitamin C, cardiovascular variables and Beck Anxiety Inventory scores. [1]
The vitamin group had lower anxiety scores and higher circulating vitamin C than the placebo group. Heart-rate measures also differed. The study used a daily research amount of 500 milligrams. [1]
What the finding establishes
A short symptom-score study in students cannot establish lasting benefit, disorder remission or better grades. Those conclusions would require their own outcomes and follow-up. Funding and conflicts were not established from the retrieved abstract. The result does not provide a reason to replace psychological assessment or established care with a supplement. [1]
A hypothetical distinction
Imagine questionnaire scores improve over two weeks. That is not the same as showing better school performance or long-term recovery.
| Detail | Interpretation |
|---|---|
| Measured outcome | Keep the endpoint specific |
| Study preparation | Not every retail product |
| Remaining uncertainty | Not resolved by a mechanism |
Sources for this article
- Effects of Oral Vitamin C Supplementation on Anxiety in Students: A Double-Blind, Randomized, Placebo-Controlled Trial.
Source consulted: 2026-09-19. This is a reference resource, not a claim that we conducted the studies or tested a product.