Folate occurs naturally in foods, while folic acid is man-made but both are essential Image content: This image is available to view online
Chemical Peels Peels are useful for surface-level brightening, though they may require multiple sessions for more profound pigmentation
Rui Guan (University of Cambridge, currently at Unilever) is acknowledged for advice on data analysis
Opening Statement by Roy Pitkin on Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline
Effects of epigallocatechin-3-gallate (EGCG) on in vitro maturation and fertilization of porcine oocytes