Most grocery stores carry products that are kosher in nature. There is a K placed on the labeling to let the consumers know that this food is kosher and can be consumed by those who deem it fit for use. You are more likely going to find it in big name grocery stores in comparison with smaller ones that carry little variety and fewer options.
Jewish Grocery Stores
You can go to a Jewish grocery store and you are bound to find products that are kosher. This will be the easiest way to get these food products and you can also get information on all products that are available and form where these can be procured if they are not available at the particular outlet.
Just like any other thing, you can also order kosher food online. Find a website that carries these food items and check out what they have to offer. See if these products are available in the market and if so, for what price. If the price is better online with shipping or you can find something that is unique and not available in the grocery stores, you can order that from the website.
You can eat at restaurants that offer kosher meals. There are certain restaurants that cater to this particular market segment and you can eat there whenever you feel like dining out. Also, many big name restaurants will be having some part of their menu that is based on kosher meals as there is a fair bit of demand of these. You can order from the particular section and you will have the kosher meal of your liking.