NAC may help by supporting antioxidant defenses and reducing oxidative stress, though its effects vary depending on the population and fertility issue being studied.32 In men, one randomized trial found that 600mg of NAC, selenium, or the combination improved semen parameters, with the combination producing stronger effects than either ingredient alone.23 In women undergoing assisted reproduction, NAC has also been studied for oocyte and embryo quality, though this research is still relatively early and not definitive.24 PCOS NAC has attracted particular interest in PCOS, where insulin resistance, inflammation, and oxidative stress often overlap.17 Researchers think NAC may help by improving insulin sensitivity and reducing oxidative stress, which may, in turn, support ovulation and reproductive function

Finally, the use of L-carnitine (10-20 mg/kg body weight given as a slow bolus injection) is approved by the US FDA to treat L-carnitine deficiency in subjects with ESRD undergoing hemodialysis (76)
Frequency: one subcutaneous injection 5 days per week , titrating up as tolerated [5] [6]
We selected 80 healthy bullfrogs with uniform size as the healthy group NC, and 50 bullfrogs with bacterial enteritis as the pathological group FI and the treatment group GSH
2 It is normal for the orange rod to not cover the whole inspection window at the end of injection
Participants in the intervention group received seven dietary coaching sessions from a dietitian, while the control group received social befriending support