As long as your S-corp paid or reimbursed you for your health insurance premiums, included that amount as part of the W-2 line 1 wages which is excluded from line 3 and 5 wages, AND your S-corp paid you line 5 wages (real wages in addition to your health insurance premiums) at least as much as the premiums, then you can take the standard deduction AND you get a separate deduction for the self employed health insurance. The self employed health insurance deduction hits your 1040 at line 8a as an adjustment to income from Schedule 1 line 22. Note that your personal W-2 went up by the same amount as the adjustment reduces it by (as long as you had sufficient medicare (line 5) wages from the S-corp to get the full Sch 1, line 22 deduction.
