Zinc sulfate is an inorganic zinc salt that medical providers often recommend because it costs little and has decades of research backing it. The body absorbs this form readily. Some people notice mild stomach irritation after taking it.
Most folks use zinc sulfate to reinforce normal immune defenses and keep skin healthy, especially during times of higher demand. The mineral also supports typical growth, development, and tissue repair. Taking it with food cuts down on nausea and other digestive complaints.
High doses taken over long stretches can throw copper levels out of balance, so stick to the suggested amount. Sensitive stomachs sometimes handle gentler forms like zinc picolinate more comfortably.