Inclusion Criteria:  Documented locally advanced head and neck malignancies for which concurrent chemoradiation has been recommended for definitive or adjuvant treatment Age >= 18 years Eastern Cooperative Oncology Group (ECOG) >= 2 Body mass index > 18kg/m^2 No evidence of distant metastatic disease (M1 disease) No G-tube placement prior to initiation of chemoradiation Eligible to undergo concurrent chemotherapy as determined by treating oncologist If a woman is of childbearing potential, a negative urine pregnancy test must be documented prior to proceeding with chemoradiation. Women of childbearing potential must agree to use medically acceptable forms of adequate contraception (hormonal or barrier method of birth control; or abstinence) for the entire study period and for up to 4 weeks after study treatment Ability to understand and willingness to sign a written informed consent Able to tolerate the taste of the Kate Farms Standard 1.4 or Standard 1.0 oral nutritional supplement at the time of screening Able and willing to participate in the Swallow Preservation Program at the Speech Pathology Clinic No evidence of clinically significant swallowing dysfunction by history or physical exam at time of radiation oncology consultation  Exclusion Criteria:  Patients who refuse to use Kate Farms oral nutritional meal replacement due to its taste or other patient preference reasons Patients with allergies to any of the ingredients contained in Kate Farms nutritional replacement Evidence of clinically significant swallowing dysfunction by history or physical exam at time of radiation oncology consultation Refusal to sign the informed consent