L-tryptophan
L-tryptophan is naturally abundant in various protein-rich foods, with the following being key dietary sources: Animal products: Turkey, chicken, fish (e.g., salmon, tuna), eggs, dairy (milk, yogurt, cheese) are among the richest sources. For example, 100 grams of turkey breast contains approximately 0.3 grams of tryptophan. Plant-based foods: Legumes (lentils, chickpeas), nuts and seeds (pumpkin seeds, almonds), whole grains (oats, quinoa), and some fruits and vegetables (spinach, bananas) also provide moderate amounts, though generally less than animal sources. These natural sources contribute to daily tryptophan intake, supporting basic physiological functions like protein synthesis and neurotransmitter production.
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