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Clinical Studies
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What is a clinical study?
A clinical study, clinical trial, or clinical research study is an investigation conducted to evaluate the safety, efficacy, and/or product-... Continue Reading
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Does the FDA require clinical studies for supplements?
The FDA does not expressly require clinical studies for supplements, but the FDA and the FTC do require substantiation for claims used in ma... Continue Reading
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How does Nutrafol design their clinical studies and why?
Nutrafol’s rigorous clinical testing includes various types of clinical studies, each of which is utilized for a specific scientific purpose... Continue Reading
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What are publications and why does it matter if they are peer-reviewed?
A publication refers to an article or research paper that has been written and submitted for public dissemination, typically in a scientific... Continue Reading
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What does “statistically significant” mean?
Statistically significant means that the results of a study have been analyzed by appropriate statistical tests and indicate that the outcom... Continue Reading
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What does "randomized, placebo-controlled" mean?
Randomized, placebo-controlled refers to elements of a study design used in scientific research, especially in clinical trials evaluating th... Continue Reading
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What does "double-blind" mean?
A double-blind study is one in which neither the participants nor the investigators know who is receiving the test product and who is receiv... Continue Reading