According to a new study, vitamin C intake is a direct driver of collagen production and skin regeneration, demonstrating how powerfully nutrition influences skin structure. Collagen synthesis and skin renewal are powered directly by the vitamin C concentration in the skin itself, which parallels blood plasma levels and increases with greater intake of vitamin C-rich fruits.
Researchers were taken aback by the exceptionally strong correlation between plasma vitamin C levels and those in the skin, which were far tighter than observed in any other organ studied. This groundbreaking research is the first to prove that circulating vitamin C reaches every layer of the skin and directly supports enhanced skin function.
The study recruited 24 healthy adults to eat two kiwifruit daily, supplying roughly 250 mg of vitamin C, over an eight-week period. Skin samples were collected before and after the intervention. They tracked skin improvements via ultrasound assessments of thickness, elasticity, UV protection, and epidermal cell regeneration.
Kiwifruit was selected for the trial because of its reliably high vitamin C content, though researchers expect similar skin benefits from other vitamin C-dense fresh produce like citrus fruits, berries, bell peppers, and broccoli.
Notably, the trial revealed substantial gains in skin thickness from collagen buildup and faster epidermal cell regeneration among participants.
The findings underscore the need for steady vitamin C intake. With no significant long-term storage in the body, keeping plasma concentrations near 250 mg daily supports continuous skin regeneration and collagen support.
To view the original scientific study click below:
Improved Human Skin Vitamin C Levels and Skin Function after Dietary Intake of Kiwifruit: A High-Vitamin-C Food
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