Plant-Based Online Weight Loss Through Education and Resources Program and Study

Inclusion Criteria:

* U.S. men and women meeting the age of majority, defined as follows:

Age 19 or older in Nebraska and Alabama. Age 21 or older in Puerto Rico. Age 18 or older in all other states.

* Able and willing to travel to Washington DC for a dual-energy х-rау absorptiometry (DXA) scans before and after the program.
* Able and willing to complete laboratory assessments at a local LabCorp facility before and after the program.
* Able and willing to participate in all components of the study.
* BMI of 25 or more (23 or more in persons of Asian origin).
* Access to the internet.
* English fluency.

Exclusion Criteria:

* Use of recreational drugs in the past 6 months.
* Pregnancy or intention to become pregnant during the study period, as verified by self-report.
* Unstable medical or psychiatric illness.
* Inability to maintain medication regimen as prescribed by personal healthcare provider.
* Current or expected use of any weight loss medication during the study period, including but not limited to, glucagon-like peptide-1 (GLP-1) receptor agonists and combination GLP-1 receptor/glucose-dependent insulinotropic polypeptide (GIP) agonists.
* Use of any weight loss medication within the 12 months preceding the study period, including but not limited to, glucagon-like peptide-1 (GLP-1) receptor agonists and combination GLP-1 receptor/glucose-dependent insulinotropic polypeptide (GIP) agonists.
* Body weight greater than 182 kg.
* Current diagnosis of eating disorder.
* Intention to follow another weight loss method during the study period.