The IPlayer interface allows you to view certain information on a player's food Stats.

It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import.
import crafttweaker.player.IFoodStats;

ZenGetter	ZenSetter	Type
ZenGetter foodLevel	ZenSetter foodLevel	Type int
ZenGetter saturationLevel	ZenSetter saturationLevel	Type float
ZenGetter needFood	ZenSetter ​	Type boolean

Void Function. Takes an int and a float as intput parameters.

ZenScript
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stats.addStats(int foodValue, float saturationLevel);

Void Function. Takes an IPlayer object as input parameter.

ZenScript
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stats.onUpdate(IPlayer player);

Returns an IData Object representing the foodStats.

ZenScript
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stats.asNBT();
stats as crafttweaker.data.IData;

Void Funtion. takes a float as input parameter.

ZenScript
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stats.addExhaustion(float exhaustion);