What to Actually Take Before Egg Freezing (And What to Skip) | Conceivable
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What to Actually Take Before Egg Freezing (And What to Skip)

What you do in the 90 days before egg freezing retrieval can meaningfully affect the number and quality of eggs retrieved — but most people aren't given specific guidance on what to take and what to skip. This article covers the supplement and lifestyle priorities with evidence for improving egg retrieval outcomes, and what's not worth adding to your protocol.

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Kirsten Karchmer
Conceivable · Reproductive Health
March 21, 2026
⏱ 8 min read

What to Actually Take Before Egg Freezing (And What to Skip)

If you're planning an egg freezing cycle, the quality and quantity of eggs you retrieve will depend significantly on the biological environment those eggs have been developing in for the past 90 days. Your clinic will manage the stimulation protocol. But nobody at your clinic is responsible for optimizing your underlying biology before the stimulation starts. That part is on you.

"Your RE controls the protocol. You control the biological environment the protocol is working in. Those are separate jobs, and nobody at your clinic is doing the second one for you."

The 90-Day Window That Matters

Oogenesis — the process of egg maturation — takes approximately 90 days. The supplements and lifestyle interventions you do in the three months before your retrieval are what actually affect the quality of the eggs you'll freeze. Starting CoQ10 the week before your retrieval appointment is not a strategy.

⚠️ IMPORTANT

Timing is everything. If you're planning an egg freezing cycle and you want to maximize the outcome, start optimizing at least 3 months before your anticipated retrieval date. If you have flexibility in scheduling, give yourself the full 90 to 120 days before booking the cycle.

If you have flexibility, give yourself the full 90 to 120 days.

What to Take

CoQ10 (ubiquinol, 400–600mg daily): The most important supplement for egg quality optimization pre-retrieval. Mitochondrial function in eggs declines with age, and CoQ10 supports the energy production eggs need for healthy development and post-fertilization division. The dose matters — 100mg is probably not enough. The ubiquinol form is more bioavailable. Start this early and be consistent.

Methylfolate (400–800mcg): Essential for healthy egg development and early embryo cell division. If you have MTHFR variants, methylfolate is significantly more effective than synthetic folic acid.

Vitamin D (dose based on blood levels): Vitamin D is involved in follicle development and egg maturation. Most women are insufficient. Get your levels tested and optimize before your cycle.

90 days

The egg maturation window — every supplement you start today is affecting eggs that will be retrieved 3 months from now

Omega-3 fatty acids (EPA+DHA, 2g+ combined): Important for reducing systemic inflammation and supporting egg membrane quality. Anti-inflammatory effects require therapeutic doses.

DHEA (only if your RE recommends it): Some evidence for improving ovarian response in women with diminished ovarian reserve. This one requires a direct conversation with your reproductive endocrinologist — not a self-prescription based on research you read online.

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What to Skip (Or at Least Question)

Comprehensive "egg quality blends" with 15+ ingredients at low doses. The breadth is not the point. Depth in the specific areas that matter for your situation is the point. Anything that promises to "dramatically increase egg count" — supplements don't create new eggs. They support the quality of the eggs you have. Anything claiming otherwise is overselling.

KEY INSIGHT

Supplements don't create new eggs — they support the quality of the eggs you already have. A cycle that retrieves 8 eggs with better mitochondrial function and less oxidative damage produces more viable embryos than a cycle that retrieves 10 eggs from suboptimal biology.

What Your Clinic Won't Tell You

Your RE is focused on your stimulation protocol — which medications to use, how to adjust your response, when to trigger. Standard pre-cycle workups don't evaluate the five underlying biological factors that affect your ovarian environment before the protocol even starts. Subclinical blood sugar dysregulation affects ovarian function and egg quality. Systemic inflammation affects follicle development. HPA axis dysregulation from chronic stress affects hormonal signaling throughout the cycle. None of these show up on a standard pre-cycle panel. At Conceivable, the Halo Ring gives us 90 days of continuous data on the biological factors that actually determine ovarian response. That's the preparation your clinic isn't set up to provide.

📊 WHAT THE RESEARCH SAYS

Studies on CoQ10 supplementation in women undergoing IVF have shown improvements in fertilization rates and embryo quality, particularly in women over 35 — the population where mitochondrial decline in eggs is most clinically significant. Therapeutic dosing (400–600mg of ubiquinol daily) consistently outperforms the 100–200mg doses found in most off-the-shelf prenatal blends.

✦ THE CONCEIVABLE SYSTEM

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Everything your body needs to optimize fertility — built around your data, not someone else's.


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Frequently Asked Questions

Does age affect how much pre-retrieval optimization matters?

Yes — inversely. The older you are, the more important optimization becomes, because mitochondrial function in eggs declines with age and the gap between "average" and "optimized" widens. A 28-year-old with healthy baseline biology will retrieve reasonable-quality eggs without aggressive optimization. A 38-year-old has less margin — the optimization window matters more. That said, optimization at any age is worthwhile; it's never wasted effort.

What if I have diminished ovarian reserve — does optimization still help?

Yes, and it's particularly important. Diminished ovarian reserve (low AMH, high FSH) means fewer eggs are available, which makes the quality of each one more critical. The goal isn't to increase the number — that's not biologically achievable with supplements. The goal is to maximize the quality of the eggs you do have. CoQ10 at therapeutic doses and the broader optimization protocol are most directly relevant here.

Should I stop my supplements during the stimulation cycle?

Follow your RE's specific guidance on this. Some clinicians ask patients to pause certain supplements during stimulation — there are theoretical concerns about high-dose antioxidants interfering with the oxidative signaling involved in follicle rupture. Others maintain supplements through retrieval. Bring your full list to your pre-cycle appointment and ask specifically.

Is the Halo Ring useful specifically for egg freezing preparation?

Yes — particularly for tracking whether the optimization protocol is actually working. BBT patterns show the health of your luteal phase. HRV trends reveal stress load on your HPA axis. Glucose patterns identify blood sugar dysregulation that affects ovarian function. Over 90 days before your retrieval, this data tells you whether your biology is responding — not just whether you're taking the right things, but whether those things are producing biological change.

How many eggs can I expect to freeze after optimization?

Egg yield depends primarily on your ovarian reserve (AMH, antral follicle count) and your stimulation response — both of which have a significant genetic component that optimization doesn't change. What optimization affects is egg quality. A cycle that retrieves 8 eggs with better mitochondrial function and less oxidative damage produces more viable embryos than a cycle that retrieves 10 eggs from suboptimal biology. The number matters less than what you do with what you have.

How does the Conceivable system actually work?

Conceivable combines three things: personalized supplement packs built from your quiz results and health data, an AI care team of 7 specialists (led by Kai, your fertility coordinator) who adjust your protocol as your body changes, and the Halo Ring for continuous biometric tracking. The system is built on 240,000+ clinical data points and 20 years of practice. It starts at $15/month.

How do I know which supplements I actually need?

Take the free 2-minute Conceivable quiz. It analyzes your cycle patterns, energy, stress, digestion, and health history to identify the specific nutrients your body needs — not a generic prenatal, but a protocol built for exactly where you are right now.

Do I need the Halo Ring to use Conceivable?

No. The Halo Ring is optional and adds continuous tracking of BBT, HRV, sleep, and blood glucose — which Kai uses to fine-tune your protocol in real time. But the personalized supplement packs and AI care team work without it. The ring is a one-time $250 purchase with no subscription required.

Take the Conceivable quiz to build your pre-retrieval optimization protocol based on what your biology actually needs.

Written by Kirsten Karchmer, reproductive medicine practitioner with 25 years of clinical experience and 10,000+ credited pregnancies, and author of The Road to Better Fertility.

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Written By
Kirsten Karchmer
Conceivable · Reproductive Health & Fertility

Kirsten has spent 25 years in reproductive medicine, working with tens of thousands of women on fertility, cycle health, and hormonal wellbeing. She founded Conceivable to put that clinical knowledge into everyone's hands.


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