Fertility supplements have varying evidence. Some have reasonable support; others are aggressively marketed without strong data. Best supplements for fertility includes evidence-based options for both men and women. For couples trying to conceive without success, fertility evaluation is appropriate after 12 months (6 months if women over 35).
For both men and women
Folate (folic acid): Essential for women planning pregnancy (neural tube defect prevention). Some evidence for male sperm health. 400-800 mcg daily.
CoQ10: Some evidence for egg and sperm quality. 200-600 mg daily.
Vitamin D: Adequate levels associated with fertility outcomes.
Omega-3 fatty acids: Some evidence for fertility outcomes.
For women
- Folate (essential)
- Iron (if low)
- Inositol for PCOS
- Vitamin D
- Iodine (if deficient)
For men
- Zinc (if deficient)
- Selenium
- L-carnitine
- Antioxidants generally for sperm parameters
Beyond supplements
- Healthy weight
- Limiting alcohol
- Smoking cessation
- Limiting heat exposure (men — laptops, hot tubs)
- Regular intercourse during fertile window
- Treating underlying conditions
When to see fertility specialist
- 12 months trying without success (women under 35)
- 6 months trying (women 35+)
- Known fertility issues
- Recurrent pregnancy loss
Frequently Asked Questions
What’s most important supplement for women trying to conceive?
Folate. Start before conception.
Does CoQ10 actually help fertility?
Some evidence for egg quality, especially older women. Not dramatic.
Should men take fertility supplements?
If sperm parameters concerning. General antioxidant support reasonable.
How long until fertility supplements work?
3 months minimum (egg/sperm cycles).
What about prenatal vitamins?
Start when planning pregnancy. Cover folate, iron, other essentials.
The bottom line on fertility supplements
Folate essential for women. CoQ10 for egg/sperm quality. Address deficiencies. Lifestyle factors important. Fertility evaluation for couples not conceiving.