Many people use zinc supplements to boost immunity or improve acne symptoms. Learn how much zinc is safe for you, and what to watch for if you use it long term.

Medically reviewed by Jamie Johnson, RDN Key Takeaways Zinc may help prevent cold symptoms or shorten the length of a ...

DEAR DR. ROACH: I am taking terazosin and finasteride for my enlarged prostate. A friend has suggested taking zinc supplements and eating pumpkin seeds for additional zinc intake. Is there any proof ...

Possible side effects from zinc supplements may include nausea, vomiting, diarrhea, headache, dizziness, numbness, weakness, ...

Experiments show that Hedgehog signaling - a chain of molecular events critical in embryonic development - creates conditions beneficial to the unregulated cell growth associated with cancer in adults ...

DEAR DR. ROACH: I am taking terazosin and finasteride for my enlarged prostate. A friend has suggested taking zinc supplements and eating pumpkin seeds for additional zinc intake. Is there any proof ...

Dear K.O.: There are some theoretical reasons, based on animal studies and benchtop research, as to why zinc might reduce the size of the prostate and even reduce the risk of prostate cancer. However, ...