Beauty & wellness
Categories such as collagen and vitamin C often considered for beauty and wellness.
Category
Collagen
Limited evidenceCollagen is a common body protein. Popular for beauty, though evidence is limited in places.
View detailsVitamin C
Established evidenceVitamin C is a water-soluble vitamin involved in maintenance and antioxidant activity. Used by those who feel their diet falls short.
View detailsZinc
Moderate evidenceZinc is an essential mineral involved in many functions. Considered by those with limited diets.
View detailsProbiotics
Limited evidenceProbiotics focus on the balance of gut bacteria. Effects differ by strain.
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