Nut TypeNet Carbs (per 100g)AdvantagesPotential Issues Pecans 4 g Very low net carbs， less protein Brazil Nuts 4 g Extremely low carbs， excellent for ketosis Expensive， versatile Too high in carbs for keto ， rich in selenium Large size may encourage overeating; selenium toxicity risk in excess Macadamia 5 g Highest fat content，。
affordable High net carbs limit keto compatibility Cashews 22 g Creamy texture， limited availability Walnuts 7 g Good omega-3 content。
satisfying crunch。
widely available Higher carbs than top-tier options Pistachios 15 g High fiber， high in healthy fats Milder flavor。