A Study Evaluating Quality of Life Parameters Following Use of Emergen-C

Inclusion Criteria: * Participant's provision of a signed and dated electronic informed consent document indicating that the participant has been informed of all pertinent aspects of the study before any assessment is performed. * Healthy adults, 18-64 years of age at the time of electronic consent (does not exclude any ethnicities, races, or gender identities). * Participant is seeking to improve their energy/less fatigue levels. * Participants whose baseline score is greater than or equal to (\>=) 10 on the dimension of general fatigue of the MFI and a score \>=3 for at least ten of the 20 questions of the MFI. * Participants who are willing and able to comply with all study related activities as shown in the Schedule of Activities. * Participants who reside in the United States (except for Hawaii and Alaska). * Participants who own a mobile device, tablet or computer with access to stable internet connection and are willing to use their device to complete study surveys and assessments. Exclusion Criteria: * Participants who are either directly involved in the conduct of the study or a member of their immediate family; or a Haleon employee directly involved in the conduct of the study or a member of their immediate family. * Participants who have participated in other studies (including non-medicinal studies) involving investigational product(s) within 30 days prior to study entry and/or during study participation. * Participants who are pregnant, lactating, or plan to b…