Fertility Research:
Supplements, Vitamins and Minerals
Zinc
66-500mg/day for 3-6 months Zinc supplementation increased sperm count and motility https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6247182/
CoQ10
CoQ10 for 2 months prior to IVF improves embryo survivability and reduces FSH in decreased ovarian function https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4071761/
CoQ10 plus VitE improved plasma testosterone, and sperm progressive motility and morphology https://www.europeanreview.org/article/29194
200-300mg/day for 3-6 months CoQ10 improved sperm count, motility and morphology https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6247182/ also https://pmc.ncbi.nlm.nih.gov/articles/PMC5203687
30g/day L-carnitine significantly improves sperm motility, morphology, and concentration, while also improving testosterone and LH levels https://www.europeanreview.org/article/29194
2-3g/day carnitine improves sperm motility and morphology https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6247182/
L-Carnitine
Selenium supplementation increases sperm count, motility and morphology. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6247182/
Selenium
Antioxidants
Antioxidants given to subfertile men can increase clinical pregnancy rate, and live birth rate: https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD007411.pub3/full
A deficiency in any of vitamins A, E, C, and B complex, glutathione, pantothenic acid, coenzyme Q10 and carnitine, and micronutrients such as zinc, selenium, and copper can lead to reduced male fertility https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3921845
1 g DHA/day and 1 g EPA/day for 10–32 weeks Omega 3 supplementation improved sperm concentration, motility and morphology https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6247182/
Omega 3
Myo-Inositol
3 months supplementation with 4 g/day Myoinositol improved total sperm count and concentration, progressive motility, and testosterone, and decreased LH and FSH https://onlinelibrary.wiley.com/doi/10.1111/andr.12025
Men taking 675 mg of ashwagandha daily for 90 days experienced significant increases in sperm count, semen volume, and sperm motility. https://pmc.ncbi.nlm.nih.gov/articles/PMC9672875