Ben, it might help if you reviewed what you eat.

As long as you eat in a healthy way (a wide range of fresh fruit and vegetables, wholegrain foods, fish, eggs, unprocessed meat in moderation, etc) it is not likely that you will be nutrient-deficient.

The "Micronutrient Information" section of this site has a lot of data about this Linus Pauling Institute | Discovering How to Live Longer and Feel Better | Oregon State University.