Periflex Infant

A phenylalanine-free powdered infant formula with iron, containing DHA and ARA, for the dietary management of phenylketonuria (PKU).

Click here to order Periflex Infant.

This formulation is only available in the US.

Directions for Preparation and Use:

Periflex Infant formula must be consumed in conjunction with a whole protein source (e.g. breast milk or standard infant formula) in quantities prescribed by a dietitian or physician to meet complete protein requirements and ensure normal growth.

Formula dosage will vary depending on the age, body weight, medical condition and protein tolerance of the infant.

Mixing Instructions:
For standard dilution (20 kcal/fl oz), mix one unpacked level scoop (4.75 g) per fluid ounce of prepared formula. For accuracy, Periflex Infant should be weighed on a gram scale.

Periflex Infant may be mixed with warm or cool sterile water.

To make a 5 fluid ounce bottle:

1) Add 5 level scoops of Periflex Infant to a clean, sterile* container.
2) Fill up to the 5 fluid ounce line with warm or cool sterile* water.
3) Shake for 15-20 seconds or until the powder dissolves. Add additional water if necessary to make final volume and shake again.

Caution:

Do not boil formula. Do not use a microwave oven to prepare or warm formula.

*Boiling is the preferred method for sterilizing water, bottles,nipples and mixing utensils.

Ordering Information:

Clinical References

1. Cleary MA et al. Randomised controlled trial of essential fatty acid supplementation in phenylketonuria. Eur J Clin Nutr. 2006;60(7):915-20.
2. Agostoni C et al. A randomized trial of long-chain polyunsaturated fatty acid supplementation in infants with phenylketonuria. Dev Med Child Neurol. 2006;48(3):207-12.
3. Greve LC et al. Breast-Feeding in the Management of the Newborn with Phenylketonuria: A Practical Approach to Dietary Therapy. J Am Diet Assoc. 1994;94(3):305-9.
4. Mofidi et al. Growth And Plasma Phenylalanine And Tyrosine Concentrations Of Infants Treated With XPhe Analog Amino Acid Modified Infant Formula With Iron. Presented at the V International Congress of Inborn Errors of Metabolism, June 1-5, 1990.
5. Various authors. A Multicentre Study to Evaluate and Compare the Nutritional Adequacy of XP Analog and Lofenalac in the Dietary Management of Infants with Phenylketonuria (PKU). (1986-1989). Data on file.