XPhe Maxamum PKU Formula

For older children, teens, and adults managing phenylketonuria (PKU), XPhe Maxamum provides a phenylalanine-free protein source formulated to meet the higher nutritional demands that come with growth and adulthood. Because people with PKU cannot safely metabolize phenylalanine, a specialized medical food like this becomes the foundation of daily protein intake — supplying the essential amino acids the body needs while keeping phe intake within strict dietary limits.

This collection includes the XPhe Maxamum PKU Oral Supplement in convenient 50-gram single-serve packets, unflavored powder that mixes into water or approved beverages and portions cleanly for consistent daily dosing. You'll also find the Maxamum Infant & Extended Formula in a 1 lb. can — an unflavored option that gives families flexibility in preparing measured servings at home.

Unflavored formulations are a deliberate choice here: they let patients and dietitians control taste with permitted flavorings and adjust recipes without a fixed profile, which many long-term users prefer over pre-flavored products that can become fatiguing. The Maxamum line is designed as a concentrated protein equivalent source, so care teams typically calibrate daily amounts to a person's prescribed protein and phenylalanine targets. Always follow the plan set by your metabolic dietitian or physician, and store powder in a cool, dry place with the can or packet sealed between uses.

Households managing more than one inborn error of metabolism, or coordinating care across conditions, may also need related Maxamum medical foods. Explore XLeu Maxamum for leucine-restricted diets, XMet Maxamum for methionine management, and XMTVI Maxamum for combined amino acid disorders.