That depends on the fish oil that's used. Very often, shellfish oils are used, and shellfish is NOT kosher.
No, not all Nespresso capsules are kosher, this is mainly dependent on which country they're manufactured in. You would need to check the packaging for a reliable hechsher. The capsules manufactured in Orbe and Avenches, Switzerland are certified by Rabbi Dr I M Levinger of the Basel Kosher Commission.
Kosher foods are made with natural ingredients.
All water is kosher, there's no such thing as 'special kosher water'. A mikvah is simply required to have fresh running water from a natural resource.
Rennet, a natural complex of enzymes produced in any mammalian stomach to digest the mother's milk, and is often used in the production of cheese.In order for the cheese to be kosher, the animal must be kosher and slaughtered according to Jewish law, thus most cheeses are not kosher.
"Vegan" is NOT necessarily Kosher. "Vegan" products are NOT necessarily kosher, nor are all kosher pareve products "vegan" (nor should they be). Hand soap and laundry soap do not need to be certified kosher, although some observant families might insist that they are. Dish-washing liquid and automatic dishwasher detergent do.
No it's all natural
Kosher gelatin is pretty rare stuff, so I don't think any pharma companies would use it. I'm pretty sure the answer is "none". However, medicine taken purely for its therapeutic effect, and not at all for its taste, doesn't have to be kosher. So the best way to deal with a gelatin capsule is to wrap it in a lettuce leaf and swallow it, so that you don't taste the capsule at all.
It is kosher so long as it is certified kosher.
Fox meat is not kosher. See:More about what is and isn't kosher
It needs to be cooked in a kosher vessel and have kosher ingredients. If purchased, it (or the bakery) should have kosher-certification.
Yes and no. There are many recipes that can be made kosher with kosher substitutes.
Delicatessen places serve kosher food. And if you are talking about 'deli' food, it is usually kosher. _______ Delis are only kosher if they're kosher certified. Most delis aren't kosher.