An Evaluation of Long-Term Supplement Use on Biological Age and Metabolic Health Markers - The BioAge Trial

Inclusion Criteria:

* Adults aged 40 years or older.
* Verified long-term Sponsor supplement use (\>1 year).
* Willing and able to provide informed consent and comply with study procedures.
* Able to fast overnight (\>8 hours) prior to the study visit.
* Willing and able to travel to the test site.
* Ambulatory and currently free of injury or other physical impairment that hinders mobility.
* Willing to use a personal smart phone or computer with internet access and active email address.
* Willing to adhere to all study procedures and sign forms providing informed consent to participate in the study and authorization to release relevant protected health information.

Exclusion Criteria:

* Current or recent (within 6 months) diagnosis of cancer except for non-melanoma skin cancer.
* Participant is pregnant or lactating.
* Participant has a pacemaker or other implanted electronic device.
* Any condition the study staff believes would interfere with the participant's ability to provide informed consent or comply with the study protocol, which might confound the interpretation of the study results or put the person at undue risk.