How to Use Herbal Medicine in Fertility
Herbal Medicine & Fertility · Podcast Recap
Learn More →How to Use Herbal Medicine in Fertility
A conversation with registered herbalist Leanne Moccia, author of The Herbal Fertility Handbook, on separating real evidence from internet noise.
Key Takeaways
- Herbal fertility advice online skews toward two extremes: overblown miracle claims and blanket fear-based warnings — neither reflects how herbs are actually used safely and effectively in practice.
- Vitex (chasteberry) is one of the most overused and misapplied fertility herbs — it has specific, targeted uses (like supporting ovulation in hypothalamic amenorrhea or PCOS) and isn’t broadly beneficial for people already ovulating regularly.
- Underdosing is one of the most common reasons herbal protocols “don’t work” — most herbs need consistent use for 3-4 months (2 months for sperm-related support) at a real therapeutic dose before effectiveness can be judged.
- Herb quality, sourcing, and extraction method genuinely matter — counterfeit and poorly stored products are a documented issue, and different herbs work better in different forms (tincture vs. tea vs. capsule).
- Male fertility deserves equal, early investigation — sperm factor is involved in roughly 50% of fertility struggles (about 20% sperm-only, 30% combined), yet care often focuses disproportionately on the ovulating partner.
Host Kelsey sat down with Leanne Moccia — a registered herbalist with the American Herbalist Guild, a professional member of the American Society of Reproductive Medicine, and author of the upcoming Herbal Fertility Handbook — for a conversation on how to actually integrate herbs into a fertility plan safely and effectively, cutting through the noise of internet advice.
Leanne’s Story: From “Non-Responder” to Twin Pregnancy
Leanne’s path into herbalism began with her own fertility journey. After the standard 12-month wait with no testing, she and her husband were told their results looked “normal” and moved on to medicated IUI cycles, which didn’t work. During her first IVF cycle, she was told she wasn’t responding to stimulation medications and the cycle was cancelled — something that happened two more times, ultimately leading her original clinic to stop treating her altogether.
That turning point led her to a functional medicine doctor who, for the first time, asked about her diet, nutrient status, and underlying food intolerances, and to a new clinic more open to working holistically alongside acupuncture. After addressing those underlying factors, her next IVF round retrieved three eggs, all three fertilized, and she went on to a healthy twin pregnancy. That experience is what led her back to school to become a specialized fertility herbalist.
Why Herbal Fertility Advice Online Is So Confusing
Leanne pointed out that misinformation tends to run in two opposite directions: influencers overstating what a given herb can do (often using vague language like “hormone balance”), and other practitioners taking the opposite extreme, warning that all herbs are dangerous during preconception or pregnancy. Neither reflects reality. Her approach involves adjusting herbal protocols specifically based on where someone is in their timeline — preconception, actively trying, or already pregnant — since the appropriate herbs and doses shift at each stage.
The Vitex Problem
Vitex (chasteberry) came up as the herb most frequently misused in Leanne’s practice. It has a reputation as “the” fertility herb, but its actual mechanism is more specific: it primarily supports communication between the brain and ovaries, making it genuinely useful for people not ovulating, or recovering from hypothalamic amenorrhea or certain PCOS presentations. For someone already ovulating regularly and predictably, it typically isn’t the right tool, despite being one of the most commonly self-prescribed herbs.
“I end up taking people off more herbs than I think I end up recommending.”
Why Herbs “Don’t Work” (Often, It’s Dosing)
Leanne noted that underdosing is the most common issue she sees in people who’ve “already tried” a given herb without success. For ovulatory support, she generally recommends giving an herb 3-4 months before evaluating effectiveness; for sperm-related support, changes can often be seen closer to the 2-month mark. Beyond dosing, herb quality and sourcing matter significantly — documented cases of counterfeit products and improperly stored herbs are a real issue, making it worth buying directly from reputable manufacturers or through a practitioner with access to trusted distributors.
Herbs for Stress: Adaptogens vs. Nervines
Leanne uses two complementary categories of herbs for stress support, which also has downstream effects on fertility hormones through the adrenal system.
Ashwagandha (Adaptogen)
Works on the HPA axis to help lower cortisol. Leanne noted research supporting improved sperm quality specifically, and while direct egg quality research is more limited, she reasons the antioxidant mechanisms are plausibly beneficial for both, given the cellular similarities between eggs and sperm. It’s also been shown to gradually improve deep, restorative sleep with consistent use. Because a higher dose is often needed, she generally prefers capsule extracts over tinctures for this one.
Lemon Balm (Nervine)
Works through a different, more calming mechanism — supporting mood, easing anxiety, and aiding focus. Leanne called it one of her favorite herbs for the two-week wait specifically, and noted it’s considered safe throughout pregnancy. She recommends a generous, covered steep (a heaping tablespoon per 6-8 oz of water, covered for at least 20 minutes) to preserve the volatile oils responsible for its effects.
Herbs for Male Fertility
Leanne outlined two main mechanisms she targets for sperm support: testosterone optimization and antioxidant support.
Fenugreek & Ashwagandha
Both are among the most studied herbs for testosterone support. Fenugreek appears to work partly as an aromatase inhibitor (limiting conversion of testosterone to estradiol) and by affecting the enzyme that converts testosterone to DHT. Ashwagandha also supports LH, another hormone involved in the process.
Green Tea (EGCG) & Turmeric
Both are largely antioxidant-driven supports for sperm parameters. Interestingly, Leanne noted that drinking green tea itself (roughly 3 cups a day) appears sufficient to deliver a meaningful EGCG dose — the few negative findings in this research area involved very high-dose isolated EGCG extract capsules, not whole-leaf tea.
Leanne’s Closing Advice: Don’t Put the Whole Burden on Egg Quality
Asked for one piece of fertility advice, Leanne was direct: sperm health needs to be investigated just as early and seriously as egg quality. She cited that sperm factor alone accounts for roughly 20% of fertility struggles, with another 30% involving a combined factor — meaning couples who only investigate the ovulating partner risk missing the actual issue at least half the time.
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Book Your Clarity Call →Sources & Further Reading
- Fertility Confidence Podcast. “How to Use Herbal Medicine in Fertility, with Leanne Moccia.” Episode transcript.
- Moccia, L. The Herbal Fertility Handbook. Hachette, 2025.
- Leanne Moccia. Instagram & Substack: @leannemoccia. Website: leannemoccia.com.
- American Herbalist Guild — americanherbalistsguild.com, for registered herbalist directory and education resources.
- American Botanical Council — for herb quality, sourcing, and safety resources.
There’s a 50% Chance Male Fertility Is Keeping You From Getting Pregnant
Half of all infertility cases involve a male factor. Yet sperm testing is still the last thing most couples are told to do — and the numbers being called “normal” are far from it.
- Male factor is involved in 50–70% of infertility cases — yet sperm testing is still routinely the last step, not the first.
- The WHO’s lower limit for “normal” sperm concentration is 15 million/mL — the 5th percentile. At that level, estimated per-cycle pregnancy odds are around 5%.
- Optimal sperm concentration sits at the 50th percentile of men who successfully conceived: approximately 60–73 million/mL.
- Below 30 million/mL, pregnancy probability drops off sharply. Above 50 million/mL it plateaus near the natural per-cycle ceiling of 20–25%.
- Sperm concentration is not fixed. A targeted, data-driven approach can produce significant improvement — often within 3–6 months.
When a couple struggles to conceive, the instinct — in clinical settings and at home — is to start with her. Her cycle, her hormones, her ovulation. This is understandable. It is also costing couples months, and sometimes years, they do not need to lose.
The data is unambiguous: male factor is involved in somewhere between 50 and 70% of infertility cases. Not as a rare secondary concern — as a primary driver, half the time. Yet semen analysis is still treated as the test you run after everything else has been checked, if it gets run at all.
What the statistics actually show
Infertility is clinically defined as 12 consecutive months of trying to conceive without a pregnancy. When researchers break down the causes, the picture looks like this:
This does not change based on prior pregnancies. Sperm quality and concentration shift over time, affected by age, health, stress, illness, and lifestyle. A previous successful conception — in this relationship or a past one — is not a current result. Testing still matters.
Why “normal” doesn’t mean what it sounds like
The reference range most clinics use comes from WHO guidelines. Under those guidelines, a sperm concentration of 15 million per millilitre is considered normal. A man who hits that number is typically told everything looks fine.
What that framing leaves out: 15 million/mL is the 5th percentile. It was derived from a dataset of men who did achieve pregnancy with their partners within 12 months — but the threshold was drawn at the very bottom of that group. Ninety-five percent of those men had better numbers. The threshold was not placed where success is likely. It was placed at the floor of the range where it has occasionally been shown to work.
At 15 million/mL, the estimated per-cycle probability of conception is approximately 5%. That is the number being rubber-stamped as acceptable in clinical semen analysis reporting.
The 50th percentile of that same dataset — the midpoint of men who successfully conceived — sits around 73 million per millilitre. A practical target for optimisation is above 60 million/mL. That gap, between what clears the bar and what actually reflects fertility potential, is not a minor technical distinction. It is where most couples who are told “nothing is wrong” are quietly losing time.
Where the real drop-off happens
Pregnancy probability by sperm concentration is not a linear curve. The steepest decline happens below 30 million/mL — which is still well above the WHO minimum threshold that triggers no clinical concern.
Above 50 million/mL, per-cycle pregnancy probability plateaus near 20–25% — a ceiling that reflects biological limits, not sperm count. Getting from 60 million to 100 million makes little practical difference. Getting from 15 million to 60 million makes a significant one.
Subfertility vs. infertility — and why the gap matters
One reason male factor gets missed is that clinical concern is triggered by infertility thresholds, not subfertility. If a result clears 15 million/mL, it does not prompt a referral or a follow-up conversation. But a man at 25 million/mL is not in the same position as one at 70 million/mL — and treating those results as equivalent is how couples end up in a prolonged stretch of “keep trying” that didn’t need to last as long as it did.
Subfertility — results that are technically within range but far from optimal — is common and, in many cases, improvable. The research base for male fertility nutrition, lifestyle, and supplementation is more robust than most people realise, partly because sperm concentration is a measurable, repeatable endpoint that is straightforward to study. Randomised controlled trials exist. The evidence base is there. But it cannot be applied well without knowing what the actual numbers are.
Getting tested — and reading the results correctly
A clinical semen analysis — where the sample is produced and analysed on-site at a lab — remains the most reliable method. At-home testing has improved; one option used in fertility-focused clinical programmes is Fellow, which runs morphology and returns actual numerical data rather than a simplified pass/fail result. If at-home results come back low or irregular, confirming with a clinical sample before building any treatment plan is the sensible next step.
When results come back, the question is not just whether concentration clears 15 million/mL. It is where concentration sits relative to the 50th-percentile target. Below 60 million/mL, there is room for improvement. Below 30 million/mL, understanding why — structural, hormonal, or lifestyle-related — should come before any intervention is started.
Testing is the beginning of a plan, not the end of a conversation.
The Sperm Count Blueprint
A focused resource for anyone whose sperm concentration is below optimal — or who doesn’t yet know where it stands. Covers how to interpret your numbers, the most common reasons concentration is low, and how to build a targeted plan based on what the research actually supports.
Get the Blueprint → Includes the Full Male Lab GuideReferences
- World Health Organization. (2021). WHO laboratory manual for the examination and processing of human semen (6th ed.). WHO Press. https://www.who.int/publications/i/item/9789240030787 — Source for sperm concentration reference ranges, including the 5th percentile lower threshold of 15 million/mL used in clinical semen analysis reporting.