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@jmerrick   Right.  Self-employed health insurance deduction goes on Schedule 1 line 17 (which goes to 1040 line 10), as long as the expense is not greater than your net self-employment income. If it does exceed your net self-employment income it gets split automatically. An amount equal to your net self-employment income goes on Schedule 1 and the remainder gets added in to medical expenses on Schedule A.

 

It will not show up on schedule C and not reduce any SE Tax on a net profit. It just reduces your AGI if you itemize on Schedule A.