Other requirements

The normal requirements of substrates, vitamins and trace elements are tabled opposite. Most long-term critically ill patients require folic acid and vitamin supplementation during nutritional support, e.g. Solvito. Trace elements are usually supplemented in parenteral formulae but should not be required during enteral nutrition.

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Water

Energy

Nitrogen

Glucose

Lipid

Sodium

Potassium

Calcium

Magnesium

Phosphate

Vitamins

Thiamine

Riboflavin

Niacin

Pyridoxine

Folate

Vitamin C

Vitamin A

Vitamin D

Vitamin E

Vitamin K

Trace elements

Iron

Copper

Manganese

Zinc

Iodide

Fluoride

Normal daily requirements (for a 70kg adult)

2100ml

2000-2700Cal

7-14g

210g

140g

70-140mmol

50-120mmol

5-10mmol

5-10mmol

10-20mmol

16-19mg

3-8mg

33-34mg

5-10mg

250-450mg

2800-3300iu

280-330iu

0.7mg

1-2pg

2-4mg 70-140|jg 1-2mg

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