Fertility-Friendly Nutrition: What to Eat (and Avoid) When You're Trying to Conceive

Discover how your diet impacts fertility. Learn about the Mediterranean diet, essential vitamins like folic acid, and how Viva Eve's in-house dietitian can support your journey.

Trying to Conceive Dr. James A. Gohar MD, FACOG 9 min read
Balanced meal with fruits vegetables whole grains and healthy fats to support fertility

TL;DR

A fertility-friendly diet focuses on whole foods, healthy fats, and lean proteins — often following the Mediterranean pattern. Key nutrients like folic acid (folate), iron, and omega-3s play critical roles in egg and sperm quality. Small, sustainable changes to your nutrition can significantly improve your chances of a healthy conception.

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Important

Always consult with your doctor before starting new high-dose supplements, as some vitamins can be harmful in excess during the preconception period.

In This Article

What is the Mediterranean diet and why is it recommended for fertility?

The Mediterranean diet is rich in plant-based foods, healthy fats, and lean proteins, and it is consistently linked to improved fertility in both men and women.

Rather than following a strict “diet,” the Mediterranean approach is a flexible way of eating that focuses on fruits, vegetables, whole grains, beans, nuts, and seeds, with an emphasis on healthy fats like olive oil instead of butter or other saturated fats. For women, this antioxidant‑rich pattern of eating is associated with lower inflammation and overall hormonal support that may benefit reproductive health. Research suggests that couples who follow a Mediterranean‑style eating pattern tend to have higher pregnancy success rates, both naturally and with fertility treatment. It’s not about perfection, but about gradually shifting your plate toward more whole, minimally processed foods and away from items that can disrupt blood sugar and hormonal balance.

Which vitamins and minerals are most important for conception?

Key nutrients for fertility include iron, omega-3 fatty acids, vitamin D, and zinc, all of which support reproductive organ function and hormonal balance.

Iron is particularly critical for women; low iron levels are linked to anovulation (a lack of ovulation). We recommend focusing on 'heme' iron from lean meats or 'non-heme' iron from spinach, lentils, and fortified cereals — ideally paired with vitamin C to boost absorption. Omega-3 fatty acids, found in fatty fish like salmon or plant sources like walnuts, help regulate hormones and increase blood flow to the uterus. Vitamin D also plays a major role in reproductive health, yet many New Yorkers and people living in other Northeastern States are deficient due to limited sun exposure. Zinc is essential for egg development in women and is a powerhouse for sperm production in men. At Viva Eve, we often recommend a comprehensive blood panel to check these levels before you even start trying, so we can address any deficiencies early.

How much folic acid (folate) do I really need?

Most women should take 400 to 800 micrograms (mcg) of folic acid daily starting at least one month before trying to conceive to prevent neural tube defects.

Folic acid is the synthetic form of folate (vitamin B9), and it is perhaps the most famous preconception nutrient. It is vital for DNA synthesis and the early development of the baby's brain and spinal cord. Because the neural tube closes within the first 28 days of pregnancy — often before you even know you are pregnant — having sufficient levels in your system is non-negotiable. While you can get folate from leafy greens and citrus fruits, it is difficult to reach the recommended levels through diet alone. This is why a high-quality prenatal vitamin is a cornerstone of preconception care. If you have a family history of neural tube defects or certain medical conditions, your Viva Eve provider might recommend a higher dose. It’s one of the simplest but most impactful steps you can take for your future baby's health.
Did you know that Viva Eve patients have access to our in-house registered dietitian, Tamsin Jordan? Nutrition isn't one-size-fits-all, especially when navigating PCOS, fibroids, or endometriosis. We offer complimentary dietitian visits to help you build a plan that works for your unique body and lifestyle.

Should I cut out caffeine entirely while trying to conceive?

You don't necessarily need to quit coffee, but most experts recommend limiting caffeine intake to less than 200 milligrams (mg) per day — about one 12-ounce cup.

High levels of caffeine have been associated with a slightly longer 'time to pregnancy' and an increased risk of early pregnancy loss. However, 'moderate' consumption (under 200 mg) is generally considered safe. The key is to be mindful of hidden sources of caffeine, like energy drinks, sodas, and even dark chocolate. If you find that your morning coffee is a major source of stress relief, keep it! Stress itself can interfere with fertility, so there is no need to add the anxiety of a caffeine withdrawal headache to your journey. If you are a heavy caffeine user, try gradually switching to half-decaf or herbal teas to reach that 200 mg limit comfortably.

Which foods should I avoid when planning for pregnancy?

While trying to conceive, it's wise to limit high-mercury fish, excessive alcohol, and trans fats found in many processed snacks.

High levels of mercury, found in fish like swordfish, king mackerel, and tilefish, can build up in your bloodstream and affect the development of a baby’s nervous system. It's better to stick to low-mercury options like salmon, shrimp, and canned light tuna. Alcohol is another consideration; while the occasional glass of wine may not prevent conception, heavy drinking can disrupt ovulation and lower sperm quality. Trans fats are perhaps the biggest 'fertility disruptors' in the modern diet. They are often found in fried foods and commercial baked goods. These fats can increase insulin resistance, which interferes with the hormonal signals needed for ovulation. Swapping these out for monounsaturated fats (like those in avocados) is one of the best moves you can make for your reproductive health.

How does my partner's diet affect our chances of conceiving?

A partner's nutrition is just as important, as diet directly impacts sperm count, motility, and DNA integrity.

Male health plays an important role in fertility as well. Diets high in processed meats and low in fruits and vegetables have been linked to poorer sperm quality, while antioxidants—such as vitamin C, vitamin E, and lycopene found in tomatoes—help protect sperm from oxidative stress, a common contributor to male‑factor infertility. Making nutrition changes together can also make the process feel more balanced and shared. Adopting a Mediterranean‑style eating pattern doesn’t require a complete overhaul—simple shifts, like choosing water over soda or adding nuts to meals, can support sperm health. Because sperm take about three months to mature, these changes can have meaningful effects within a relatively short time frame.

How can a dietitian help personalize my fertility journey?

Working with a specialized dietitian can help you navigate complex conditions like PCOS or simply provide a clear, science-backed roadmap for your specific needs.

There is a lot of misinformation online about 'miracle' fertility foods. A registered dietitian, like our own Tamsin Jordan, cuts through the noise. They can help you identify if your 'healthy' habits might actually be working against you — such as being underweight or over-exercising — and provide meal plans that fit into a busy NYC schedule. Whether you are managing a medical condition or just want to ensure your body is in the best possible shape for pregnancy, professional nutritional guidance provides peace of mind. It takes the guesswork out of the grocery aisle and lets you focus on the emotional side of starting your family. We are proud to offer this integrated care because we know that a healthy baby starts with a healthy foundation.
Common Questions

Frequently Asked Questions

While reducing pesticide exposure is generally good, there is no definitive proof that an all-organic diet is necessary for conception. Focusing on eating more fruits and vegetables — organic or not — is far more important than the organic label itself. Just be sure to wash all produce thoroughly.

Surprisingly, some research suggests that women who eat one or two servings of full-fat dairy (like whole milk or full-fat yogurt) have a lower risk of ovulatory infertility compared to those who consume mostly low-fat dairy. This may be because the process of removing fat also removes certain hormones that support ovulation.

While a multivitamin is better than nothing, it may not have enough folic acid and iron for someone trying to conceive. Prenatal vitamins are specifically formulated to meet the higher demands of early pregnancy. It's best to switch to a prenatal at least three months before you start trying.

Beans, lentils, tofu, and nuts are excellent plant-based proteins. Some studies indicate that replacing a portion of animal protein with plant protein can significantly reduce the risk of ovulatory infertility. Try a 'Meatless Monday' to incorporate more of these into your routine.

This is a popular 'TTC myth.' Pineapple core contains bromelain, an enzyme with anti-inflammatory properties, but there is no scientific evidence that eating it improves implantation rates. It's perfectly safe to eat, but don't rely on it as a medical strategy.

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