Like other nuts, pistachios are high in fat with over 70% of calories coming from fat compared to a recommended 30%. The fat is also very high in omega-6 fatty acids with a ratio over 60:1 of omega-6 to omega-3 when the recommendation is a ratio around 2:1. On the positive side, the protein content is over 20% with a good balance of amino acids, although like other nuts the arginine/lysine ratio is about 2, whereas in eggs the ratio is 0.84 according to:

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