Comparison of Two Qualia NAD⁺ Formulations on Intracellular NAD⁺ Levels

Inclusion Criteria: Provide voluntary, written, informed consent to participate in the study Agree to provide a valid cell phone number and are willing to receive communications through text Can read and write English Willing to not begin taking any new supplements during the study and continue taking any supplements they are currently using regularly Willing to complete questionnaires, records, and diaries associated with the study. Healthy male and female participants aged 35-75 years Willing to self-administer the intracellular NAD⁺ finger-stick test at home (baseline and Day 28) Willing to avoid supplements, energy drinks/shots, or other products containing niacin, niacinamide, nicotinamide riboside, or NMN for ≥ 2 weeks before baseline and throughout the study Exclusion Criteria: Women who are pregnant, breastfeeding, or planning to become pregnant during the trial Known food intolerances/allergy to any ingredients in the product Having any of the following conditions: Psychiatric conditions, neurologic disorders, endocrine disorders, cancer Having had a significant cardiovascular event in the past 6 months Taking MAO inhibitors, SSRIs, or any other psychiatric or neurological medicines On immunosuppressive therapy Individuals who were deemed incompatible with the test protocol Adults lacking capacity to consent