Can a supplement boost your skin's defenses? small study investigates
Knowledge-focused
Completed
This completed study tested whether taking a daily dietary supplement called 4Life Transfer Factor Vista could increase skin carotenoid levels, which are markers of antioxidant status. Twenty-four healthy adults took the supplement for 8 to 12 weeks. Researchers measured skin car…
Phase: NA • Sponsor: 4Life Research, LLC • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:04 UTC