Not to be confused with creatinine. Creatine (/ËkriËÉtiËn/ or /ËkriËÉtÉªn/) is a nitrogenous organic acid that occurs naturally in vertebrates. Its main role is to facilitate recycling of adenosine triphosphate (ATP), the energy currency of the cell, primarily in muscle and brain tissue.
Case 1: You Filed a Previous Year (2014) Tax Return But Do Not Have Access to a Copy of the Return or the AGI. First from the IRS website or call the IRS at 866-704-7388. Here is what you will see on the IRS PIN request site: Note: the image above is for informational purposes and is not interactive.
Your modified adjusted gross income or MAGI is used to determine your eligibility on a number of things. This includes several credits and deductions, Medicare Plan B premiums, and is most known for determining IRA deduction and Roth IRA contribution eligibility.So, itâs a pretty important number to have handy.ow that you have your AGI, you can find your MAGI. To do this youâll have to add some deductions back into your AGI to find your MAGI: 1  IRA deduction. 2  Student loan interest deduction. 3  Qualified tuition/fees deduction. 4  Any domestic production activities deduction.