Nutricia PKU Periflex Junior Plus Amino Acid-Based Phenylalanine-Free Powdered Formula, 14.1 oz. - Image 2

A medical-grade, phenylalanine‑free powdered formula specifically crafted for children (over 1 year) with phenylketonuria (PKU). It provides complete nutrition under medical supervision, supplying all essential and non‑essential amino acids—with no phenylalanine—alongside key nutrients often lacking in PKU diets. Available in Plain, Vanilla, Orange, and Berry flavors and formulated to support growth, development, and digestive health.

Nutricia PKU Periflex Junior Plus Amino Acid-Based Phenylalanine-Free Powdered Formula, 14.1 oz.

Plain - 14.1 oz - 1 Each
Plain - 14.1 oz - Case of 6

Please select a variation to view pricing options.

First Delivery: June 10, 2026 - June 11, 2026

Save 10% now on 1st Autoship*, 5% on repeat orders

Email reminder 3 days before it ships
Delay or cancel anytime

View Questions

(10% off first Autoship order*)

Price range: $87.50 through $567.53

A medical-grade, phenylalanine‑free powdered formula specifically crafted for children (over 1 year) with phenylketonuria (PKU). It provides complete nutrition under medical supervision, supplying all essential and non‑essential amino acids—with no phenylalanine—alongside key nutrients often lacking in PKU diets. Available in Plain, Vanilla, Orange, and Berry flavors and formulated to support growth, development, and digestive health.

Phenylalanine‑free – Safe for PKU dietary management
Complete amino‑acid blend – All essential & non‑essential (no phenylalanine)
Includes DHA – Vital for cognitive & visual development
Multi-fiber formula – Promotes digestive health with prebiotics
Vitamin & mineral fortified – Comprehensive micronutrient coverage
Appropriate energy density – ~385 kcal & 28 g protein equivalent per 100 g
Flavor options – Plain, Vanilla, Orange, Berry
For ages 1+ under medical guidance – Essential medical food