Journal of Nutrition

The Journal of Nutrition (or shortened as JN or J Nutr) is a peer-reviewed scientific journal published by the American Society for Nutrition.

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Saprotrophic nutrition

Saprotrophic nutrition or lysotrophic nutrition is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed (dead or waste) organic matter.

Parenteral nutrition

Parenteral nutrition (PN) is the feeding of nutritional products to a person intravenously, bypassing the usual process of eating and digestion.


Nutrition is the biochemical and physiological process by which an organism uses food to support its life.

Heterotrophic nutrition

Heterotrophic nutrition is a mode of nutrition in which organisms depend upon other organisms for food to survive.