What To Take. When to Take It. And Why.

Fertility + Supplements

What to Take. When to Start. Why It Matters.

A guide to fertility supplements for couples — what to take, when to begin, and why the 90 days before conception matter more than most people realize.

For her For him For both

When you decide it's time to start trying, something shifts. The decisions you make with your body start to feel different — more deliberate, more loaded. You want to get it right. And the supplement aisle? It's overwhelming. Folic acid, CoQ10, methylated B vitamins, antioxidants — every bottle promises something. Most of them tell you what's inside. Almost none of them tell you why it matters for you, right now.

That's the gap Beli was built to fill.

Fertility is a two-person story.

Here's what most supplement brands won't tell you: up to 50% of fertility challenges involve sperm quality. Yet the entire conversation — the prenatal vitamins, the "start before you're ready" advice — has been aimed exclusively at women for decades.

Beli changed that. We make targeted, research-backed supplements for her and for him, designed to work together across the same window: the 90 days before conception that matter most for both egg and sperm quality.

"When both partners are prepared, the odds change — not just biologically, but emotionally."

What to take, and when.

There's no perfect universal answer — but there's a very good starting framework. Here's how to think about it:

For her

Beli Women

A prenatal-grade formula designed for the trying-to-conceive phase — not just pregnancy. Supports egg quality, hormonal balance, and cycle regularity from day one of planning.

For him

Beli Men

Targeted nutrients that support motility, morphology, and count. Sperm takes 90 days to mature — which means starting now has real, measurable impact.

🥚

Egg quality

Antioxidants that protect developing follicles from cellular stress in the months before conception.

🧬

Sperm health

Zinc, selenium, and CoQ10 support healthy sperm formation — a 3-month process that starts well before you're ready.

⚖️

Hormonal balance

Methylated B vitamins and choline support the hormonal signaling that makes cycles more predictable.

🧠

Neural tube support

Methylfolate — not just folic acid — ensures this critical nutrient reaches cells effectively.

Why it feels different this time.

Most vitamins feel like checking a box. You take them because someone told you to, because you think you should, because the OB mentioned it. Beli was designed to feel like a choice — one you're making together, with intention.

We hear this from couples all the time: there's something quietly powerful about both partners taking their supplement each morning. It's a small, daily ritual that says: we're in this together. Before the tests, before the appointments, before any of it — this is something you can do today.

The 90-day window is real. Eggs develop over roughly 3 months before ovulation. Sperm mature over roughly the same window. What you do in the months before you're actively trying isn't neutral — it's foundational.

That's why "start when you're thinking about it" isn't just marketing language. It's biology. And Beli is formulated with that window in mind.

How to know if it's working.

Supplements aren't magic — but they're not just theater either. Nutrition has a real, measurable impact on reproductive health, and the best way to understand where you're starting is to know your baseline.

That's why Beli also offers at-home fertility testing. Not to scare you, not to add anxiety — but to give you real data about where you are so you can make smarter decisions about what to take, when to start, and when to loop in a provider.

Think of it as: supplements to optimize, testing to confirm, and support when you need it next.

Ready to start the 90-day window?

Shop Beli's couples bundles — supplements for her and him, designed to work together.

Shop Beli →

Shop the Story

Additional Resources

Every January, we’re told to "reset" with restrictive cleanses and short-term resolutions. But when it comes to fertility and pregnancy, your body doesn't need a restart, it needs a foundation.

Read More

Progesterone is the quiet but powerful hormone that can make or break fertility. It rises after ovulation to prepare your body for pregnancy and if it’s too low, conception may not happen or pregnancy may not last. From cycle spotting to miscarriage risk, here’s what low progesterone really means and when extra support might help.

Read More

Think you know fertility? This quick True or False quiz will test your knowledge with facts most people have never heard before. Grab your coffee, take the quiz, and see how many you get right.

Read More

Think prenatal vitamins are just for women? Think again.  From sperm count to embryo health, men play a bigger role in fertility than most people realize. Read now to learn what no one’s telling men about fertility, supplements, sperm quality, and how Beli is changing the game.

Read More

The long, lazy days of summer aren’t just prime vacation days. Summer could actually be an especially fertile season, which may be of interest to couples who are interested in starting a family. If you’re angling for parenthood this summer, here’s what to know about the season of fertility.

Read More

Ever wonder what’s up with perimenopause? It’s the hormonal rollercoaster before menopause, hitting 1.5 million U.S. women yearly and it’s all over TikTok in 2025. Think irregular periods, hot flashes, and questions like, “Can I still conceive?” Spoiler: Yes, with help! Inositol and Beli Preconception step in helping ease mood swings (40% better, per studies) and supporting ovulation (up 65%). Curious about the chaos and how to tame it? Unravel the mystery, from symptoms to fertility tips, right here.

Read More

The truth is, you don’t need a medical degree to become an expert in your own reproductive health. By understanding your body, making informed lifestyle choices, and taking proactive steps, you can significantly improve your chances of conception.

Read More

Most births occur between June and early November. Count back nine months, and you’ll see that places most conceptions in the fall and winter. So what’s the deal? Is it the cold weather, all the festivities, or something else driving us between the sheets? That ugly sweater is pretty cute, but you can chalk this up to reproductive seasonality. Here’s what that means, why it matters, and what to do to use it to your advantage.

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Many men overlook how crucial sperm health is until it's too late. Red flag statements can signal poor sperm quality. Whether trying to conceive or maintaining health, recognizing these signs early can impact your fertility and well-being.

Read More

Fall is not just a time for pumpkin spice lattes and cooler weather; it’s also an opportunity to optimize fertility, particularly for men. Cooler temperatures naturally benefit sperm health, while Beli for Men provides the essential nutrients needed to take those benefits even further. 

Read More

Egg quantity and quality are critical aspect of our reproductive well-being. By understanding the ideal number of eggs at various ages, why egg quality and quantity matter, and how to nurture and improve egg health, we can make informed decisions about our fertility and overall health.

Read More

Miscarriage is a complex issue, and while sperm health is just one factor, it's a crucial one. By understanding the statistics and research surrounding miscarriage and sperm health, couples can take proactive steps to improve fertility outcomes. Beli Vitality for Men offers a comprehensive fertility supplement solution, supported by industry research and designed to improve sperm health. By combining Beli Vitality with healthy lifestyle choices, couples can optimize their fertility journey and increase their chances of a successful pregnancy.

Read More

While it’s true that popular hair loss meds work minor miracles on that receding hairline and back-of-the-head bald patch, it’s also true that it can come with side effects—some of them sexual. So, what does that mean in terms of male fertility? Here’s what couples should understand about the effects of popular hair-loss medications on sperm health.

Read More

Every January, we’re told to "reset" with restrictive cleanses and short-term resolutions. But when it comes to fertility and pregnancy, your body doesn't need a restart, it needs a foundation.

Read More

Progesterone is the quiet but powerful hormone that can make or break fertility. It rises after ovulation to prepare your body for pregnancy and if it’s too low, conception may not happen or pregnancy may not last. From cycle spotting to miscarriage risk, here’s what low progesterone really means and when extra support might help.

Read More

Think you know fertility? This quick True or False quiz will test your knowledge with facts most people have never heard before. Grab your coffee, take the quiz, and see how many you get right.

Read More

Think prenatal vitamins are just for women? Think again.  From sperm count to embryo health, men play a bigger role in fertility than most people realize. Read now to learn what no one’s telling men about fertility, supplements, sperm quality, and how Beli is changing the game.

Read More

The truth is, you don’t need a medical degree to become an expert in your own reproductive health. By understanding your body, making informed lifestyle choices, and taking proactive steps, you can significantly improve your chances of conception.

Read More

Many men overlook how crucial sperm health is until it's too late. Red flag statements can signal poor sperm quality. Whether trying to conceive or maintaining health, recognizing these signs early can impact your fertility and well-being.

Read More

Fall is not just a time for pumpkin spice lattes and cooler weather; it’s also an opportunity to optimize fertility, particularly for men. Cooler temperatures naturally benefit sperm health, while Beli for Men provides the essential nutrients needed to take those benefits even further. 

Read More

Miscarriage is a complex issue, and while sperm health is just one factor, it's a crucial one. By understanding the statistics and research surrounding miscarriage and sperm health, couples can take proactive steps to improve fertility outcomes. Beli Vitality for Men offers a comprehensive fertility supplement solution, supported by industry research and designed to improve sperm health. By combining Beli Vitality with healthy lifestyle choices, couples can optimize their fertility journey and increase their chances of a successful pregnancy.

Read More

While it’s true that popular hair loss meds work minor miracles on that receding hairline and back-of-the-head bald patch, it’s also true that it can come with side effects—some of them sexual. So, what does that mean in terms of male fertility? Here’s what couples should understand about the effects of popular hair-loss medications on sperm health.

Read More

For decades, millions of women were dismissed because they didn't have "the right kind" of cysts. Today that changes. 🩷 PCOS is officially renamed PMOS because this condition was never just about ovaries. It's hormonal. It's metabolic. It's whole-body. And the name finally says so.

Read More

Every January, we’re told to "reset" with restrictive cleanses and short-term resolutions. But when it comes to fertility and pregnancy, your body doesn't need a restart, it needs a foundation.

Read More

Choline is an overlooked essential nutrient in many prenatal vitamin formulas, and it's a major oversight. Here at Beli, we've been sounding the alarm for years and it's gratifying to see that the market is beginning to catch up. That's thanks in part to articles like "The 7 Best Choline Supplements for Pregnancy, According to a Prenatal Dietitian" from Parents. Spoiler: Beli for Women made the list.

Read More

Progesterone is the quiet but powerful hormone that can make or break fertility. It rises after ovulation to prepare your body for pregnancy and if it’s too low, conception may not happen or pregnancy may not last. From cycle spotting to miscarriage risk, here’s what low progesterone really means and when extra support might help.

Read More

Think you know fertility? This quick True or False quiz will test your knowledge with facts most people have never heard before. Grab your coffee, take the quiz, and see how many you get right.

Read More

The long, lazy days of summer aren’t just prime vacation days. Summer could actually be an especially fertile season, which may be of interest to couples who are interested in starting a family. If you’re angling for parenthood this summer, here’s what to know about the season of fertility.

Read More

Ever wonder what’s up with perimenopause? It’s the hormonal rollercoaster before menopause, hitting 1.5 million U.S. women yearly and it’s all over TikTok in 2025. Think irregular periods, hot flashes, and questions like, “Can I still conceive?” Spoiler: Yes, with help! Inositol and Beli Preconception step in helping ease mood swings (40% better, per studies) and supporting ovulation (up 65%). Curious about the chaos and how to tame it? Unravel the mystery, from symptoms to fertility tips, right here.

Read More

The truth is, you don’t need a medical degree to become an expert in your own reproductive health. By understanding your body, making informed lifestyle choices, and taking proactive steps, you can significantly improve your chances of conception.

Read More

If you’re noticing any of these signs, the good news is that it’s simple to make changes. Switching to a high-quality prenatal like Beli's Prenatal—one formulated with chelated minerals, methylated B vitamins, 400 mg of choline, and vegan vitamin D3—can make a world of difference. 

Read More

Egg quantity and quality are critical aspect of our reproductive well-being. By understanding the ideal number of eggs at various ages, why egg quality and quantity matter, and how to nurture and improve egg health, we can make informed decisions about our fertility and overall health.

Read More
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