Restoring Emotional Needs With Exogenous Ketones for Women With Postpartum Depression

Inclusion Criteria:

* Participants must meet all of the following criteria to be eligible for enrollment:

Identify as female and are between 18-45 years of age. Are within 12 months postpartum following a live birth. Have a clinical diagnosis of Postpartum Depression (PPD) confirmed by a healthcare provider and/or an EPDS score ≥10 at screening. Are medically cleared by their healthcare provider for light-to-moderate physical activity. Are willing and able to participate in virtual group exercise sessions (2× weekly) and behavioral counseling sessions (1× weekly) for 16 weeks. Are willing to consume the study supplement (Qitone™ exogenous ketone or placebo) twice daily for the duration of the study. Have access to reliable internet and a device capable of participating in Zoom-based sessions. Are not currently following a ketogenic or low-carbohydrate diet. Are able and willing to complete daily glucose and ketone monitoring and wear a sleep/activity tracking ring. Are fluent in English and able to read and provide informed consent.

Exclusion Criteria:

* Participants will be excluded from the study if any of the following apply:

Current pregnancy or planning to become pregnant during the study period. Breastfeeding exclusively if determined by their healthcare provider to be at risk for dietary modification or supplement use. Diagnosed with a severe psychiatric disorder (e.g., bipolar disorder, psychosis, schizophrenia) or current suicidal ideation requiring crisis intervention. History of seizure disorders, uncontrolled hypertension, or cardiovascular disease that would preclude participation in exercise. Current use of ketone supplements, GLP-1 receptor agonists, or weight loss medications. Known metabolic, renal, or hepatic disorders that may interfere with ketone metabolism or supplement safety. Participation in another interventional study within the past 30 days. Any condition that, in the judgment of the investigators, would make participation unsafe or compromise study integrity (e.g., inability to adhere to study schedule).