The most effective things you can take to get pregnant faster fall into two categories: supplements that prepare your body for conception and lifestyle strategies that maximize your chances each cycle. No pill guarantees pregnancy, but the right combination of nutrients, timing, and awareness of both partners’ health can meaningfully shorten the time it takes.
Folic Acid: Start Before You Conceive
Folic acid is the single most recommended supplement for anyone trying to get pregnant. The U.S. Preventive Services Task Force recommends 400 to 800 mcg daily, starting at least one month before you plan to conceive and continuing through the first two to three months of pregnancy. Most prenatal vitamins contain 400 to 800 mcg, so a standard prenatal covers this.
Folic acid’s primary role is preventing neural tube defects in the developing brain and spine, which form in the earliest weeks of pregnancy, often before you even know you’re pregnant. That’s why timing matters. If you’re actively trying, you should already be taking it.
Vitamin D and Its Link to Conception
Vitamin D levels appear to influence fertility outcomes. In a study of women undergoing fertility treatment, those with sufficient vitamin D levels had a cumulative live birth rate of about 52%, compared to roughly 44% in women who were deficient. That’s a meaningful gap. Most people don’t know their vitamin D status, and deficiency is common, especially in northern climates or among people who spend most of their time indoors.
A simple blood test from your doctor can check your levels. Sufficient is generally considered 30 ng/mL or above. If you’re low, a daily supplement of 1,000 to 2,000 IU is a common starting point, though your doctor may recommend more depending on how deficient you are.
Omega-3 Fatty Acids for Hormonal Balance
Omega-3s, found in fatty fish like salmon and sardines or in fish oil supplements, support fertility in two specific ways: they help regulate the hormones that drive ovulation, and they increase blood flow to the uterus, which can improve the environment for implantation. If you don’t eat fish regularly, a supplement providing at least 250 to 500 mg of combined EPA and DHA daily is a reasonable target. Many prenatal vitamins now include DHA, but check the label to confirm.
A Complete Prenatal Vitamin
Rather than piecing together individual supplements, a good prenatal vitamin gives you a baseline of folic acid, vitamin D, iron, iodine, and other nutrients that support early pregnancy. Start taking one as soon as you begin trying, not after you get a positive test. The first weeks of development depend on nutrient stores you’ve already built up.
Look for a prenatal that contains at least 400 mcg of folic acid (or its active form, methylfolate), 150 mcg of iodine, and some vitamin D. Iron is important too, since blood volume increases significantly during pregnancy and many women start out with low stores.
What Your Partner Can Take
Fertility is a two-person equation, and roughly a third of conception difficulties involve sperm quality. Several supplements have evidence behind them for improving sperm health.
- Zinc (around 60 mg daily) supports sperm production. Because zinc can deplete copper over time, it’s often paired with about 2 mg of copper.
- Selenium (100 mcg daily) has been shown to significantly improve sperm motility in men with sluggish sperm after about three months of supplementation.
- L-carnitine (around 3 grams daily) helped normalize sperm motility in men with low sperm quality over a four-month period in preliminary research.
These aren’t overnight fixes. Sperm take about 70 to 90 days to fully develop, so your partner should start supplementing at least two to three months before you want results.
Timing Intercourse Around Ovulation
No supplement replaces the basics of timing. Your fertile window is roughly five days before ovulation and the day of ovulation itself, with the highest odds of conception in the two to three days leading up to it. Ovulation predictor kits, which detect a hormone surge in urine, are the most reliable home method for pinpointing this window. Basal body temperature tracking works too but only confirms ovulation after it happens, which is less useful for timing in the current cycle.
Having sex every one to two days during your fertile window gives you the best statistical chance. More frequent than that doesn’t meaningfully improve odds, and less frequent can cause you to miss the window entirely.
Choose the Right Lubricant
This is one of those details most people overlook. Most standard lubricants, and even saliva, slow sperm movement. If you use lubricant, look for one that’s hydroxyethylcellulose-based, which is the closest in consistency to natural cervical mucus and doesn’t impair sperm motility. Several products are specifically labeled “fertility-friendly” or “sperm-friendly.” Avoid lubricants with fragrances or parabens, and skip household oils like coconut oil.
Prescription Options If You’re Not Ovulating Regularly
If you have irregular cycles or conditions like polycystic ovary syndrome (PCOS), you may not be ovulating consistently, which makes natural conception much harder regardless of what supplements you take. Two commonly prescribed medications can help trigger ovulation.
Both work similarly, with one review finding comparable overall pregnancy rates. However, a lower dose of letrozole showed about a 20% success rate per cycle compared to roughly 13% per cycle with the alternative. Your doctor can help determine which is more appropriate for your situation based on your specific diagnosis and health history.
When to Move Beyond Home Strategies
How long you should try before seeking a medical evaluation depends on your age. The American Society for Reproductive Medicine recommends evaluation after 12 months of trying for women under 35, and after just 6 months for women 35 and older. Women over 40 may benefit from earlier evaluation.
Certain situations call for skipping the wait entirely: irregular periods, cycles shorter than 25 days, a history of endometriosis, known uterine or tubal issues, suspected sperm problems, or any prior exposure to chemotherapy or radiation. If any of these apply, getting a fertility workup from the start will save you time and give you a clearer picture of what’s actually going on.