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High doses or prolonged use may increase the likelihood of experiencing skin issues
& Eldamrawy, S
Research documents a 70% increase in collagen production in treated women compared to controls, outperforming both vitamin C and retinoic acid in comparative trials
E., Eissa, E
110 However, in one large placebo-controlled trial in 2,370 men with infertility, treatment with 30 mg of elemental zinc plus 5 mg (8,500 mcg DFE) folic acid daily for six months increased DNA fragmentation and did not lead to improvements in sperm parameters or pregnancy rate
Hsieh, P.-H
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