Nothing that is estrogenic in nature, as it will take up the estrogen receptors before the b.o. can.
You may also want to get some thing that blocks androgens..saw palmetto or guava extract.
Be sure that your body temp is no less than 98.6, to ensure your body will process it correctly.
If your body is normally below 98.6 F, you ca.n supplement with iodine, but be sure to also include vitamin A, that helps the body absorb the iodine. The iodine is necessary for proper thyroid function, which in turn regulates body temp.