Evidence supporting the use of: Walnut
For the health condition: Depression

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Walnut (Juglans regia) has a long history of use in traditional medicine systems, particularly in Ayurveda and Persian medicine, where it has been recommended for promoting brain health and emotional well-being. The use of walnuts for depression is primarily based on the belief that their nutrient content—especially omega-3 fatty acids, vitamin E, and polyphenols—can support brain function and mood. While walnuts are indeed rich in alpha-linolenic acid (ALA), a plant-based omega-3, and have antioxidant properties, direct traditional claims for treating "depression" as a clinical entity are limited. Instead, they are generally used to support mental clarity, reduce stress, and promote overall vitality.

Scientific studies on walnuts and depression are sparse and mostly observational. Some epidemiological research suggests that higher nut consumption, including walnuts, is associated with lower prevalence of depressive symptoms; however, these studies are correlational and cannot establish causation. There are a few small clinical trials suggesting that diets enriched with nuts may have a modest beneficial effect on mood, but walnuts alone have not been rigorously studied as a stand-alone treatment for depression. Thus, the evidence base is weak, and most support for their use is traditional rather than scientifically validated. Walnuts may support general brain health, but they should not be relied upon as a primary therapy for depression.

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amino acids
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anthocyanins
apigenin
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arginine creatine
ashwagandha
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baicalin
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basil
bee products
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betony
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biopterin
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blackboard tree
brahmi
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butyric acid
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catalpol
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chocolate
choline
cistanche
citicoline
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clove
cocoa
coconut
Codonopsis
coenzyme Q10 (CoQ10)
cola nut
commiphora
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cordyceps
cowslip
creatine
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crocin
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curcumin
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Products containing Walnut

We currently have no products on Vitabase that contain this ingredient.