Fertility
The ability to conceive. In men it is measured by sperm count, motility and shape; in women by ovulation, cycle regularity and hormone levels; and in couples by pregnancy rates.
22 supplements analyzed and ranked by clinical evidence.
Supplements22
Supplement Evidence
Main Effects
Arginine125319
Semen +47pp; pregnancy +19pp
Oocytes +3.2; fertilization higher
Birthweight +16%; litter +12-19%
Moderate
Tribulus Terrestris239
Sperm +3.82 Mil/ml; motility
Cycle −42.9 days; conception x3.9
BV symptoms unchanged
Moderate