Amino Acid
N-Acetyl Cysteine (Fertility)
B
Evidence
Antioxidant that supports glutathione, may help PCOS and male fertility.
Primary uses
- PCOS
- Ovulation
- Sperm quality
- Antioxidant
How it works
- Glutathione precursor
- Antioxidant for reproductive tissues
- May support ovulation in PCOS
- May improve sperm quality
Dosage
- Typical range
- 600-1800mg daily
- Timing
- Divided doses, away from meals
- With food
- Away from food for best absorption
- Duration
- 3 months before conception
- Special populations
- PCOS, male fertility, antioxidant support
Forms
- Capsules
- Powder
- Sustained-release
Safety
Common side effects
- GI upset
- Sulfur odor
- Nausea
Contraindications
- Active bleeding
- With nitroglycerin
Evidence notes
Good evidence for PCOS ovulation and male fertility
Grade B: Some human trials support key claims; further confirmation needed.
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