Using Food-Based Vitamins to Remove Black Patches From the Skin – This is a place for the community to provide tips and advice on Using Food-Based Vitamins to Remove Black Patches From the Skin. This topic was created by Marianne Gorwood and the tips are provided by the community. The tips you add here can be your own or referred from another site. The best tips are then ranked at the top when up-voted by members of the community.