In eating kosher, we do not:
mix meat and dairy
eat shellfish
eat pork
eat beef that was killed by stunning
eat insect-prone foodstuffs until they've been checked
There's more, but these are some examples.
Kosher, when dealing with food and diet, simply refers to rules for the preparation and consumption of food. It has no bearing on the quality of diet itself. As such, there is nothing intrinsically good or bad about a kosher diet in terms of health.
They can eat a kosher diet, and be slaughtered the kosher way.
The general meaning for kosher is "clean/fit or proper" and if you relate this to the cabbage soup diet, yes it is kosher and can help you stay healthy.
Kraft's Catalina dressing is not certified kosher. While some ingredients may be acceptable in a kosher diet, the absence of a reliable kosher certification means it cannot be considered kosher. If you require a kosher product, it's best to look for dressings specifically labeled with a kosher certification symbol.
Keeping kosher.
Proti fora nonos - 2007 is rated/received certificates of: Singapore:PG
Keeping kosher.
Leviticus 11
Yes.
See the links.
Judaism. See also:http://judaism.answers.com/jewish-laws/laws-of-keeping-kosher
There is nothing non-kosher in the ingredients for peanut butter and there are several brands of peanut butter that are certified kosher.