7 Lesser-Known Nutrients That Support Fertility

When it comes to preparing for pregnancy, folic acid often gets most of the attention, and for good reason. Folic acid is a key B vitamin that helps support early fetal development and may help reduce the risk of neural tube defects.

But folic acid is not the only nutrient that matters when you are trying to conceive.

Several lesser-known nutrients also play important roles in reproductive health. These nutrients can support hormone production, ovulation, egg quality, sperm health, implantation, and early pregnancy development.

Whether you are just starting your fertility journey or looking for ways to better support your body before pregnancy, it helps to understand the bigger nutritional picture.

In this article, we will look at seven important fertility-supporting nutrients and simple ways to include them in your diet.

This article is for informational purposes only and is not intended to provide medical advice. Always speak with your doctor, fertility specialist, or qualified healthcare provider before starting any new supplement or making major changes to your diet, especially if you are trying to conceive, pregnant, or undergoing fertility treatment.

Choline is an essential nutrient involved in cell membrane formation, methylation, liver function, and fetal brain development.

While choline is often discussed during pregnancy, it is also important before conception. It may help support egg quality, early embryo development, and placental function.

One important thing to know is that many prenatal vitamins do not contain much choline. Because of this, some people may not be getting enough through supplements alone.

You can find choline in foods such as:

Resource: NIH Choline Fact Sheet

CoQ10 is a powerful antioxidant that helps the mitochondria produce energy.

This matters because egg cells have high energy demands. Mitochondria help power important processes such as chromosomal division, fertilization, and early embryo development.

As people age, CoQ10 levels and mitochondrial efficiency naturally decline. This is one reason CoQ10 is often discussed in fertility conversations, especially for women over 35 or those focused on egg quality.

CoQ10 can be found in foods such as:

Resource: Fertility and Sterility: Role of CoQ10

Zinc is a trace mineral that plays an important role in hormone regulation, immune health, and reproductive function.

For women, zinc helps support ovulation, egg maturation, and menstrual cycle regulation.

For men, zinc is important for testosterone production, sperm formation, sperm count, and sperm motility.

Even mild zinc deficiency may affect fertility outcomes in both men and women.

You can find zinc in foods such as:

Resource: Zinc and Reproductive Health

Selenium is an antioxidant mineral that helps protect cells from oxidative stress.

Oxidative stress can damage eggs, sperm, and reproductive tissues, which is why antioxidant nutrients are often discussed in fertility health.

For women, selenium may support follicular fluid health and ovulation.

For men, selenium plays a role in sperm motility and sperm DNA integrity.

Selenium can be found in foods such as:

A quick note: Brazil nuts are very high in selenium. In many cases, just one or two Brazil nuts can meet the daily requirement, so more is not always better.

Resource: Selenium and Human Reproduction

Iodine is essential for thyroid hormone production.

Thyroid hormones help regulate metabolism, but they also influence reproductive hormone balance, ovulation, and the luteal phase.

Low iodine intake can be a concern for people who avoid iodized salt, eat limited seafood, follow restrictive diets, or do not consume much dairy.

Because thyroid health is closely tied to fertility, iodine is an important nutrient to pay attention to before pregnancy.

You can find iodine in foods such as:

Resource: WHO: Iodine in Preconception and Pregnancy

Vitamin E is sometimes called the fertility vitamin because of its role in reproductive health.

It acts as an antioxidant and helps protect reproductive cells from free radical damage. It may also support hormonal balance, cervical mucus production, and endometrial health.

For men, vitamin E may support sperm motility and help protect sperm DNA from oxidative stress.

You can find vitamin E in foods such as:

Resource: Vitamin E and Fertility

Omega-3 fatty acids are known for supporting heart and brain health, but they may also play an important role in fertility.

DHA, in particular, helps support ovarian function, egg quality, and embryo development.

For men, omega-3s have been linked to sperm count, sperm morphology, and sperm motility.

Omega-3s may also help support healthy inflammation levels, menstrual cycle regulation, implantation, and blood flow to the uterus.

You can find omega-3s in foods such as:

Resource: Omega-3s and Fertility

Getting nutrients from food is a great starting point, but how you eat can also affect how well your body absorbs them.

Here are a few simple tips:

Food is a great foundation, but some people may need extra support.

Factors like dietary restrictions, absorption issues, age, medical history, fertility treatment, thyroid concerns, or male factor fertility issues may increase the need for targeted supplementation.

That said, supplements are not one-size-fits-all.

Some nutrients can be harmful in excess, and certain supplements may interact with medications or fertility treatment protocols. Before starting anything new, it is best to review your options with your healthcare provider.

Resource: ConsumerLab: Best and Worst Prenatal Vitamins

Folic acid is important, but it is only one piece of the preconception nutrition puzzle.

Nutrients like choline, CoQ10, zinc, selenium, iodine, vitamin E, and omega-3 fatty acids all play meaningful roles in reproductive health, egg quality, sperm health, hormone balance, and early pregnancy development.

The goal is not to eat perfectly. The goal is to build consistent habits that support your body over time.

Fertility is a journey, and nutrition is one way to give your body the support it needs along the way.