NeoTrace-4

Parenteral nutrition (PN) is the feeding of nutritional products to a person intravenously,[1] bypassing the usual process of eating and digestion. The products are made by pharmaceutical compounding companies.[2] The person receives a nutritional mix according to a formula including glucose, salts, amino acids, lipids and vitamins and dietary minerals[citation needed]. It is called total parenteral nutrition (TPN) or total nutrient admixture ... [wikipedia]