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Pregnant? — What to Take Instead of Prenatals explores why conventional prenatal vitamins may not be the best choice for every woman, and how a more personalized approach can better support both mother and baby. By examining nutrient needs, potential toxicities and the importance of pre-pregnancy preparation, this guide outlines safer, more targeted alternatives to standard prenatal supplements.
As you’ll see below, wise natural prenatal “vitamins” focus more on minerals.
Why Not Take a Prenatal
Prenatal vitamins have become almost synonymous with pregnancy. Doctors often prescribe them as a standard precaution, and most women take them without question. But what if that default recommendation isn’t always the best option?
The truth is, prenatals almost always contain certain vitamins and minerals that not every woman needs — and, in some cases, that could even pose risks. For example, many prenatals contain vitamin A, which has a long-documented potential for toxicity (see below).
Another common inclusion is vitamin B6, which in higher amounts has now been linked to neurotoxicity and also has other risks.
And then there’s copper — a heavy metal that most people already have too much of, partly because modern diets are too high in this mineral, we’re exposed to copper in our environments, and often, we’re low in zinc, its natural balancing mineral.
Wouldn’t it make more sense to take a more individualized, targeted approach — focusing only on what both mom and baby actually need, while avoiding compounds that may be harmful or unnecessary?
That’s what this article explores: the nutrients most critical for pregnancy, the risks of conventional prenatals and how to better support a healthy pregnancy — especially if you can start preparing your body ahead of time.
Detox Before Pregnancy, When Possible
This perspective isn’t only about supplementation; it’s about creating the healthiest possible environment for conception and pregnancy. Our children inherit not just our genes, but also the imprint of our health history — including toxins we’ve accumulated from past generations and modern exposures.
If you’re not already pregnant, the best approach is to detox before conception. During pregnancy itself, detoxing is not advised, because mobilized toxins can reach the baby — especially when they are circulating freely in the bloodstream.
Some integrative doctors recommend a six-month preconception detox period, ideally on an anti-inflammatory diet that supports the liver and reduces toxic load. Activated charcoal and zeolite may be helpful during this time, as they bind free-floating toxins and escort them safely out of the body.
If you are already pregnant, don’t worry — you can still make thoughtful supplement and dietary choices. The approach is simply gentler, focusing on reducing toxin intake and nourishment — rather than a complete detoxification process or goal.
Why the Liver Matters
Your liver plays a central role in both detoxification and hormone regulation. In fact, research shows that liver function is closely tied to thyroid health, hormone balance and overall systemic wellness.
Unfortunately, many people today have sluggish livers due to chronic toxic burden. That’s one reason I’ve written extensively about the Love Your Liver (LYL) diet (a name and support group started by Dr. Garrett Smith), which focuses on lowering vitamin A and copper intake — two compounds that can accumulate in the liver and interfere with its function.
This brings us back to vitamin A. While it’s included in almost every prenatal, multiple studies have documented the teratogenic (birth defect-causing) potential of high vitamin A intake. Because vitamin A is stored in the liver, it accumulates over time, and excess levels can spill into fat tissue, organs and — most concerning — into the developing baby.
Interestingly, neonatal jaundice has sometimes been associated with maternal vitamin A overabundance, though the precise mechanistic linkage deserves more study (retinoid overload may cause baby to detox through the skin as a means of protection from the toxin).
Caution with dessicated liver and organ supplements while pregnant
While many health foodies think that organ supplements make a great natural prenatal, that’s not only incorrect; it’s dangerous. No confusion exists in the medical literature about pregnancy and vitamin A. Don’t eat foods high in vitamin A while pregnant.
Supplements for Pregnancy (Without a Prenatal)
Can you get by with just food nutrition while pregnant? Unfortunately, it’s probably not ideal. We need minerals especially that we can’t get from food alone.
So if prenatals aren’t ideal, what should you take instead? Here are the most essential, evidence-supported nutrients:
- Magnesium – Crucial for hundreds of biochemical reactions in the body, magnesium supports muscle function, nerve signaling and blood sugar balance. Some people absorb magnesium better topically (like through this lotion), while others need oral supplementation. Dose varies by tolerance — too much can cause loose stools. Find your oral dose based on bowel movements (even five to six capsules is not too much if that’s what you need to be regular, but consider starting with two).
- Zinc (30 mg), Molybdenum (150 mcg), Selenium (100-150 mcg) – These three minerals are foundational for nutrient restoration, enzyme activity, proper organ function, gentle detoxing and hormone regulation. Zinc, in particular, helps balance excess copper. (Common dosages are listed in parentheses.)
- Potassium – Partially obtained through food sources like bananas and coconut water, additional support is needed by most. Consider supplementation with potassium chloride or potassium gluconate (and continue through postpartum and beyond). Also consider making Potassium Water, or DIY Electrolyte Water.
- Lactoferrin – For women with iron imbalances, lactoferrin can be an excellent alternative to iron pills. It helps regulate iron by binding free iron in the gut and improving utilization while preventing excess storage. Lactoferrin is one of those dramatic supplements that gently works, but in obvious and measurable ways. (Caution: If you have GERD or acid reflux, do not take lactoferrin as it can make symptoms worse, although the mechanisms for why are not yet fully understood. Talk to your doctor, instead, about non-constipating bioavailable iron, like this.)
- Folinic Acid (400 mcg) – Not to be confused with synthetic folic acid, folinic acid (calcium folinate) is recommended when trying to conceive and during the first 12 weeks of pregnancy. It supports DNA synthesis and prevents neural tube defects more effectively than folic acid.
Additional considerations:
- Some women may need Vitamin B12, especially if vegetarian or deficient.
- Calcium is best sourced from food, not pills. Here’s a great list of high calcium (dairy free) foods, with a free printable PDF. My favorites include dried figs and naturally made organic masa tortillas.
- Vitamin D is safest obtained from sunlight or full-spectrum light, not supplements, which can disrupt calcium balance. Learn more here.
- Vitamin K2 MK4 — Excellent for the baby’s skeletal development and to prevent excessive bleeding at childbirth, K2 MK4 is also helpful if you have sensitive teeth, bruise easily, bleed when you floss your teeth or have other excessive bleeding. (It aids dental and bone health. Only the MK4 version of K2 works well for nourishing the body with this key vitamin for calcium utilization, blood pressure and clotting.) To start with a lower dose of just 5 mg daily, choose these high quality drops, and use just 5 drops daily.
- TRS — Many women “swear by” this spray form of zeolite that’s designed to be safe for not only pregnancy but pre-conception. The theory is: By removing toxins from the bloodstream, baby is given a low-toxin environment and less likely to have issues at or after childbirth, related to development (including colic, cradle cap etc). Plus, women refer to their babies as “TRS babies” — as being smarter and more precocious with learning and development.
- Unlike traditional detox protocols, which can redistribute toxins and heavy metals, TRS is safe to take during pregnancy: TRS nano zeolites encapsulate the toxins. If they go through the breastmilk, the toxins are still encapsulated. They cannot be absorbed by the baby. After it encapsulates the positively charged toxins, TRS zeolite then goes straight out of your body within six hours, leaving nothing of itself or the toxin behind.
- You need to buy through a distributor, so I became one for my readers and clients. I buy the three-pack to save money. Use this link, and then click the Shop Now button. The product is called Advanced TRS. It’s best to start the first day with 1 spray, then increase each day, assuming no major detox symptoms, gradually by 1 spray each day until you reach 5 sprays daily, 2 in the morning, 3 at night.
What about DHA needs
Seafood, algae and fish oils are not safe sources for fatty acids. With polluted waters and toxic compounds like vitamin A as risk factors, find your way back to old-fashioned land-sourced nutrition.
Instead, grass-finished beef provides plenty of omega 3 fats, when the rest of your diet is balanced. Reduce intake of high omega-6 foods, as needed (this includes vegetable oils, processed foods, restaurant foods, nuts and seeds) — to achieve the right balance of fatty acids.
Our family eats truly pasture-raised beef daily and has excellent bloodwork. Beef also provides iron, B vitamins, zinc, choline and of course, the much needed protein, for pregnancy.
Wild game, lamb and buffalo have similar benefits.
Final Thoughts
Prenatal vitamins are not a one-size-fits-all solution. While they aim to “cover all bases,” they often introduce unnecessary — or even harmful — compounds like vitamin A, oral vitamin D, excess B6 or copper. A better strategy is to identify the true essentials and tailor supplementation to your body’s needs.
If possible, start preparing your body six months before conception, supporting your liver and lowering your toxic load. If you’re already pregnant, you can still choose wisely — focusing on magnesium, zinc, molybdenum, selenium, potassium-rich foods, lactoferrin, if needed, Vitamin K2 MK4 and folinic acid when trying to conceive or early in pregnancy.
Pregnancy is a unique and delicate time. Instead of defaulting to a generic prenatal, let’s rethink supplementation with precision, care and a deeper understanding of what truly nourishes both mother and child.
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