Is it ok to give my toddler BM

Alyson • Mommy, health and fitness, nerd, Christian, republican, hard worker, list follower, loyal, Leo, dōterra wellness advocate ✌🏼️

We have the summer cold running through the house, my son is 2mo and congested, and exclusively breast feeding.. my daughter is 2 1/2 and on cows milk. Knowing my breast milk creates antibodies for my son, will it help my toddler too? Or will it mess up her stomach?