There are several ways to check on the status of your return/refund with the CRA. You can check it online in one of three ways depending on whether your return is individual or corporate (T2) : My Account - usable for individual tax returns (which includes sole proprietorships).
Zinc gluconate is a popular form for the delivery of zinc as a dietary supplement. See patients taking Zinc Gluconate. 1  See 1 evaluation from 1 patient with major perceived effectiveness.  See 2 evaluations from 2 patients with moderate perceived effectiveness.
Zinc is also found in most multivitamin and mineral supplements. These supplements can contain zinc in the form of zinc gluconate, zinc sulfate or zinc acetate. As of now, all are believed to work in very similar ways so one type is not thought to be superior over the others.