Facts 8 Common Nutrient Deficiencies And Surprising Signs That You're Affected Slideshow Shutterstock Christian Kogler|Jan. 27, 2016 6:18 pm EST Vitamin D's Role Shutterstock Calcium's Role Photo Modified: Flickr / Bart Everson / CC BY 4.0 Symptoms of Calcium Deficiency Photo Modified: Flickr / j bizzie / CC BY 4.0 Foods Rich in Calcium Photo Modified: Flickr / Tim Sackton / CC BY-SA 4.0 Fiber's Role Photo Modified: Flickr / Kelly Hunter / CC BY 4.0 Symptoms of Fiber Deficiency Photo Modified: Flickr / Mike Mozart / CC BY 4.0 Foods Rich in Fiber Photo Modified: Flickr / swong95765 / CC BY 4.0 Iron's Role Photo Modified: Flickr / Leonardo Aguiar / CC BY 4.0 Symptoms of Iron Deficiency Photo Modified: Flickr / Pink Sherbet Photography / CC BY 4.0 Foods Rich in Iron Photo Modified: Flickr / Matt Watts / CC BY-SA 4.0 Magnesium's Role Photo Modified: Flickr / Image Catalog / CC0 1.0 Symptoms of Magnesium Deficiency Photo Modified: Flickr / Emergency Brake / CC BY 4.0 Foods Rich in Magnesium Photo Modified: Flickr / Tim Sackton / CC BY-SA 4.0 Potassium's Role Photo Modified: Flickr / University of Liverpool Faculty of Health & Life Sciences / CC BY-SA 4.0 Symptoms of Potassium Deficiency Photo Modified: Flickr / Erin Nekervis / CC BY-SA 4.0 Foods Rich in Potassium Photo Modified: Flickr / Stewart Butterfield / CC BY 4.0 Vitamin B12's Role Photo Modified: Flickr / Ze’ev Barkan / CC BY 4.0 Symptoms of Vitamin B12 Deficiency Photo Modified: Flickr / Mateus Lunardi Dutra / CC BY 4.0 Foods Rich in Vitamin B12 Photo Modified: Flickr / Tom Purves / CC BY 4.0 Vitamin D's Role Shutterstock Symptoms of Vitamin D Deficiency Photo Modified: Flickr / Image Catalog / CC0 1.0 Foods Rich in Vitamin D Photo Modified: Flickr / Ralph Daily / CC BY 4.0 Zinc's Role Photo Modified: Flickr / Dennis Wong / CC BY 4.0 Symptoms of Zinc Deficiency Photo Modified: Flickr / Leonid Mamchenkov / CC BY 4.0 Foods Rich in Zinc Photo Modified: Flickr / Jazz Guy / CC BY 4.0