Source: SCITECH DAILY, 6/2/22

Newly released research confirms the link between a certain amino acid called proline and depression. Proline is a nonessential amino acid and is found in grass-fed beef, pasture-raised chicken, gelatin, bone broth, organ meats like liver, and cage-free egg yolks. According to the study, a diet rich in proline is linked to an increased risk of depression.

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