Relationship: Infertility and zinc

Evidence supporting the use of: Zinc
For the health condition: Infertility

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Zinc plays a crucial role in human reproductive health, and its use to support or treat infertility is backed by scientific evidence, particularly in men. Zinc is essential for numerous biological functions, including DNA synthesis, cell division, and hormone metabolism—all critical processes for healthy reproduction. Multiple studies have demonstrated that zinc deficiency is associated with impaired sperm quality, reduced testosterone levels, and decreased fertility in men. Supplementation with zinc has been shown to improve sperm count, motility, and morphology in zinc-deficient males. For instance, a randomized controlled trial published in "Fertility and Sterility" found that infertile men who received zinc supplementation exhibited significant improvements in various sperm parameters.

In women, the evidence is less robust, but zinc is still considered important for normal ovarian function and hormone regulation. Deficiency in zinc can disrupt menstrual cycles and impair egg development, but direct evidence supporting zinc supplementation as a treatment for female infertility is more limited.

Overall, while zinc supplementation is scientifically justified in cases of deficiency or suboptimal intake—especially for male infertility—it should not be seen as a universal solution for all forms of infertility. More large-scale, high-quality studies are needed, especially in women, to better define the role of zinc in reproductive health. Consulting a healthcare professional before starting supplementation is recommended.

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Abrasions
Acne
Acquired Immune Deficiency Syndrome
Aging (prevention)
Alcoholism
Anemia
Anorexia
Antibiotics (alternatives to)
Anxiety
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Appetite (deficient)
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Athlete's Foot
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Cartilage Damage
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Cholera
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Concentration (poor)
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Triglycerides (high)
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Evidence supporting the use of: Zinc
For the health condition: Infertility

Table of Contents

Synopsis

Other ingredients used for Infertility

Health Concerns

Brands

Evidence supporting the use of: ZincFor the health condition: Infertility

Table of Contents

Synopsis

Other ingredients used for Infertility

Other health conditions supported by zinc

Products containing zinc

Evidence supporting the use of: Zinc
For the health condition: Infertility