Inclusion Criteria:  Adult volunteers ≥ 50 years of age. Planning to be vaccinated for influenza Have been immunized for COVID-19 Willing and able to provide written informed consent in English. Willing and able to comply with all the study-related procedures, including attending to study visits for blood draw, taking the influenza vaccine, intake of the study supplement, and completing study questionnaires.  Exclusion Criteria:  Demonstrate an inability to comply with the study-related procedures. Have a history of a severe reaction or hypersensitivity following vaccination with influenza vaccine, vaccination with any other vaccine containing the same substances, or intake of the study product. Have an immune system alteration because of an underlying illness (e.g., autoimmune disease) or immune-suppressing treatment (e.g., steroids (last 30 days); cytotoxic drugs, medical surgery, or radiation therapy during the 6 months, previous to enrollment). Be concurrently participating in a clinical trial that, in the judgement of the investigator, would interfere with the evaluation of the study outcomes.