From 40 to 65 grams of fat per day is required for 1800-kcalorie diet.
According to the Acceptable Macronutrient Distribution Ranges (AMDRs), the maximum amount of fat in grams recommended for an 1800-kcalorie diet is between 40 and 65 grams of fat per day which is equals to 35 percent of calories.
If the amount of fat is increased from the recommended dose then it will leads to health problems and increase in weight of the individual so we can conclude that 40 to 65 grams of fat per day is required for 1800-kcalorie diet.
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