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Study Reveals High Antioxidant Doses Harm Sperm Development

3/29/2026

Summary

Story summary

A Texas A&M University study finds that high doses of antioxidants N-acetyl-L-cysteine (NAC) and selenium may harm sperm and offspring development.
Male mice were given these supplements, and their offspring showed altered skull and facial structures.
Lead researcher Dr. Michael Golding of Texas A&M University cautioned that while antioxidants are often viewed as beneficial, excessive intake can lead to imbalances.
Experts advise sticking to the recommended daily amounts of vitamins to avoid potential harm.

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Story summary

A Texas A&M University study finds that high doses of antioxidants N-acetyl-L-cysteine (NAC) and selenium may harm sperm and offspring development.
Male mice were given these supplements, and their offspring showed altered skull and facial structures.
Lead researcher Dr. Michael Golding of Texas A&M University cautioned that while antioxidants are often viewed as beneficial, excessive intake can lead to imbalances.
Experts advise sticking to the recommended daily amounts of vitamins to avoid potential harm.