“You folks reduce it to the bible only as being authoritative, impoverishing the faith. "Christianity Lite", diet Christianity for those who can't handle the Whole Meal.”
(of a food or beverage) Containing less fat, salt, sugar, or calories than normal, or claimed to have such.
“diet soda”
noun
The food and beverage a person or animal consumes.
“The diet of the Giant Panda consists mainly of bamboo.”
(by extension) Any habitual intake or consumption.
“He's been reading a steady diet of nonfiction for the last several years.”