Nutritional psychiatry is rapidly transforming depression treatment by emphasizing the role of Omega-3 fatty acids (EPA) and Vitamin D. EPA is increasingly advocated as a safe, cost-effective first-line treatment for mild depression, offering advantages over traditional antidepressants. Personalized EPA therapy, considering inflammation and the gut-brain axis, is crucial for severe cases. Implementation science is critically important to bridge the significant gap between research findings and their adoption in clinical practice, which can take up to 17 years. This involves integrating nutritionists into care teams, enhancing clinician training, and utilizing new technologies to ensure these powerful non-pharmacological interventions become standard, holistic care options.

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