Testosterone influences sebum production primarily through its effects on the sebaceous glands
Vitamin D counteracts the activity of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase, which is responsible for ROS production, and enhances the antioxidant capacity by increasing the activity of antioxidative enzymes such as superoxide dismutase [146]
They should not replace a healthy diet
doi: 10.1046/j.1365-2958.2002.03216.x
Acknowledgments The authors thank the Chettinad Academy of Research and Education (CARE), Chettinad Hospital and Research Institute (CHRI), Chennai, India, and the Faculty of Medicine, University of Oslo, Norway
The longitudinal study of cataract study group