A study of vitamin C supplement in adults with different vitamin C levels
This trial tests a vitamin C supplement (Qualia Vitamin C+) in people with both low and normal vitamin C levels. You'll take the supplement for about a month, get your blood tested twice, and answer some questionnaires to see if it helps your health.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be between 25 and 75 years old and generally healthy.
- You must live in the United States (but not in New Jersey, New York, or Rhode Island) and be willing to visit an Ulta Lab for blood tests twice.
- You must not be pregnant, breastfeeding, or planning to become pregnant.
- You cannot have certain conditions like psychiatric, neurologic, endocrine disorders, or cancer, or take specific medicines for those.
- You must be willing to keep your diet and supplements the same during the study.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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