MineJSv0.7.0

Health

interface Health { food: number; health: number; saturation: number; }

Source: state.ts:141


Properties

food: number

Ranging from 0 to 20

health: number

Ranging from 0 to 20 where lesser or equal to 0 is death, 20 is full HP

saturation: number

Ranging from 0 to 5

Minecraft Wiki said:

CODE
Food saturation acts as a food “overcharge”. Food values will not decrease while the saturation is over zero. 
New players logging in or respawning automatically get a saturation of 5.0. Eating food increases the saturation 
as well as the food bar.