Also, chances are it will eliminate these edge-case-problems for everybody else in the future.

Since they will be able to add these missig functionalities to LibreOffice for everybody else to use too.

Except for the Vitamines E, D, K and A, Vitamines are takes up in a controlled way so you cant really overdose them. Overdosing VitA can cause blindness So thats no joke either.

Im no expert on supplements but I know that the new chemotherapies for cancer that include an upregulation od the immune system have autoimmune diseases as a side effect. But I guess you would have to apply that harsh measures to unleash autoimmune diseases.