Medical Disclaimer: This article is not written to provide specific medical advice to treat any medical condition. Always consult your medical care team before making changes to your diet or supplement routine during pregnancy.
You are growing a human being. Every nutrient you consume, every food you choose, and every supplement you take directly shapes the environment your baby develops in. That is not a small thing!
And yet, most prenatal nutrition advice points you toward synthetic multivitamins with poorly absorbed forms of nutrients your body struggles to use. There is a better path, and it is one your ancestors walked for millions of years: organ meats.
TL;DR: Pregnancy and Organ Supplements
Are organ supplements safe during pregnancy?
Yes. High-quality, grass-fed organ supplements are safe and deeply beneficial during pregnancy when sourced responsibly. Beef liver, brain, and other organs provide bioavailable folate, DHA, fat-soluble vitamins (A, D, E, K2), and critical growth factors that synthetic prenatal vitamins cannot replicate. Consuming 0.5–1 oz of liver daily keeps you well below the broadly recommended 10,000 IU Vitamin A threshold while giving you and your baby high-quality nutrition.
Table of Contents
Key Terms Glossary
Organ supplements: Capsulized, freeze-dried animal organs (liver, brain, heart, kidney) that concentrate the vitamins, minerals, peptides, and growth factors found in whole organ meats without requiring fresh preparation.
Bioavailability: The degree to which a nutrient can be absorbed and used by the body. Animal-based nutrients are generally far more bioavailable than their synthetic or plant-based counterparts.
Methyl folate (5-MTHF): The active, bioavailable form of folate that the body can use directly. Found naturally in liver and other animal foods. Distinct from folic acid, the synthetic form used in most prenatal vitamins, which must be converted before use and is poorly processed by a significant portion of the population.
Folate: A B vitamin (B9) essential for DNA synthesis, red blood cell formation, and fetal neural tube development. Naturally abundant in grass-fed liver.
Animal-based diet: A nutrient-dense dietary framework centered on high-quality animal foods, particularly muscle meat, organs, and animal fats, with limited or no processed foods, seed oils, or high-toxicity plant compounds.
Why Most Prenatal Vitamins Fall Short
Walk into any pharmacy and grab a prenatal multivitamin. You will likely find folic acid, not folate. You will find synthetic B vitamin enantiomers that your body absorbs poorly. You will not find the peptides, growth factors, and signaling molecules that real food delivers.
Most prenatal supplements use folic acid rather than methyl folate, which is the bioavailable form your body actually uses. An estimated 40–60% of the population carries a variant in the MTHFR gene that reduces their ability to convert folic acid into usable methyl folate (citation). Grass-fed beef liver delivers folate already in its active form, with 1 oz providing roughly 18% of the RDA (citation).
Are Pregnancy and Organ Supplements a Safe Combination? Addressing the Vitamin A Question
The most common concern about liver and organ supplements during pregnancy is Vitamin A. The worry is valid but frequently misapplied. Here is what the evidence actually shows.
The upper limit most commonly cited by mainstream medicine is 10,000 IU of preformed Vitamin A per day from supplements. This threshold is based on studies of synthetic, isolated retinol supplementation, not whole food consumption (citation). Whole-food Vitamin A arrives packaged with cofactors, fat-soluble vitamins, and a complete nutritional matrix that influences how your body regulates its use.
Consuming 0.5–1 oz of grass-fed liver daily delivers Vitamin A well within safe thresholds. At that amount, you also receive folate, B12, iron, zinc, copper, and fat-soluble vitamins D, E, and K2 in forms your body absorbs and uses efficiently. This is not a supplement providing one isolated nutrient. It is food providing dozens of nutrients working together the way nature intended.
The concern about Vitamin A toxicity during pregnancy applies to megadose synthetic supplementation, not to moderate consumption of whole organ foods.
The video about is a focused breakdown of how much liver is appropriate during pregnancy and how to think about Vitamin A thresholds.
What Makes Organ Meats the Ultimate Prenatal Food
Our female ancestors ate liver across millions of years of human history. Indigenous groups worldwide prize organs specifically during fertility, pregnancy, and infant development. Modern nutritional science has confirmed what those traditions already knew.
Bioavailable Nutrients Synthetic Vitamins Cannot Replicate
Grass-fed liver delivers fat-soluble vitamins A, D, E, and K2 that support fetal bone development, immune function, and neurological growth. The B vitamins in liver, including folate, riboflavin, and B6, are in forms your body recognizes and absorbs efficiently. A 3 oz serving of grass-fed liver provides over 700% of the RDA for Vitamin B12 and roughly 65% of the RDA for folate (citation).
The iron in beef (heme iron) is absorbed at a rate of 15–35%, compared to 2–20% for non-heme iron from plant sources (citation). Iron deficiency is the most common nutritional deficiency in pregnancy worldwide, affecting an estimated 37.1% of pregnant women globally (citation). Organ meats directly address this gap.
Learn more: Is Beef Liver Better Than A Multivitamin? (#1 Natural Vitamin)
The Heart & Soil Prenatal Stack
Fresh organ meats are ideal, but not everyone has access to them, and not everyone tolerates the taste, especially during the first trimester when nausea is common. Heart & Soil supplements are freeze-dried at low temperatures to preserve the full nutrient and peptide profile of whole organs in a form that is easy to take daily regardless of food aversions or sourcing limitations.
Heart & Soil supplements are sourced from grass-fed, grass-finished or USDA organic cattle free from synthetic hormones, antibiotics, and pesticides.
Nourish You and Your Baby
Whole-Food Prenatal Support from Organs
- Support healthy fetal development, hormone function, and steady vitality
- Real nutrients from liver, bone marrow, whole blood extract, and other organs
- Nothing synthetic. No fillers. No fluff. Just nature's prenatal nourishment.
60-day risk-free guarantee. No questions asked.
Pure American Liver
Vitamins, minerals, peptides, and enzymes support your daily energy, strength, and vitality. Pure American Liver is also 100% sourced from grass-fed and pasture-raised cattle on American family farms.
Mood, Memory & Brain
Mood, Memory & Brain contains brain, including the cortex, hypothalamus, pituitary, pineal gland, as well as bone marrow and liver. As a result, it’s a great source of DHA and EPA Omega-3 fatty acids to support the healthy development of your baby’s brain and nervous system.
Lifeblood
Lifeblood supplement is packed with vital nutrients and peptides to support iron stores and oxygen delivery, and assist red blood cell formation.
Firestarter
Despite decades of fear around dietary fat, high-quality fat is essential for healthy fetal brain development, immune function, and skin integrity. Firestarter contains rendered beef suet with stearic acid, pentadecanoic acid, and other fatty acids critical to these systems.
If you’d like to learn how recent scientific research has confirmed the importance of fatty acids and saturated fats, check out this paper published in the journal Nature and this paper from the National Library of Medicine.
Animal-Based Diet During Pregnancy: The Full Picture
An animal-based diet during pregnancy is not a trend. It is a return to the nutritional framework that supported human reproduction for millennia, long before industrial food, synthetic vitamins, and seed oils existed.
The core principle is simple: prioritize the most nutrient-dense animal foods available, eliminate the substances most damaging to your gut and metabolism, and fill in with whole plant foods that your body tolerates well.
What an Animal-Based Pregnancy Diet Looks Like
At its foundation, an animal-based diet during pregnancy centers on:
- Meat from sustainably raised animals (beef, lamb, bison)
- Organ meats, especially liver, heart, kidney, and brain
- Animal fats, including beef tallow, butter, ghee, and suet
- Eggs from pasture-raised hens
- Dairy, including milk, yogurt, and cheese
- Low-toxicity fruits such as mango, papaya, berries, and melon
- Raw honey
This is not a zero-carbohydrate diet. It is a diet built around animal foods as the nutritional foundation, with carbohydrates from easily digestible sources such as fruit and honey rather than grains and legumes.
Learn more: Pregnancy Diet: Why Animal Foods Are Crucial
Folate Sources on an Animal-Based Diet
For women building their folate intake through whole foods, these are the most reliable animal-based and low-toxicity sources:
- Grass-fed beef liver (1 oz): ~18% of the RDA
- Grass-fed beef (per pound): ~16% of the RDA
- Eggs (2 whole eggs): ~12% of the RDA
- Half an avocado: ~20% of the RDA
- Tropical fruits (papaya, mango, passion fruit): notable amounts
- (https://ods.od.nih.gov/factsheets/Folate-HealthProfessional/)
Why This Approach Supports Fetal Development
Fetal development is one of the most nutrient-intensive processes the human body undertakes. The baby draws directly from your nutrient stores, which means deficiencies show up in your health before they show up in your baby’s development.
An animal-based diet addresses this through nutrient density. Gram for gram, beef organs delivers more folate, B12, iron, zinc, copper, and fat-soluble vitamins than virtually any plant food. Bioavailability is dramatically higher across the board. And eliminating seed oils and processed foods reduces the inflammatory and metabolic burden on your body at a time when your system is already navigating the unique demands of pregnancy
What to Eliminate: Seed Oils and Harmful Plant Compounds
Optimizing your prenatal nutrition is not only about what you add. It is equally about what you remove. The following substances can be immunogenic, damaging to the gut, or metabolically disruptive:
Seed oils to eliminate:
- Corn oil
- Soybean oil
- Canola (rapeseed) oil
- Sunflower oil
- Safflower oil
- Cottonseed oil
- Peanut oil
- Grapeseed oil
These are not whole, traditional foods. They are industrial products created through chemical extraction and high-heat refining. Animal-based fats, including beef tallow, butter, and suet, are far superior for your physiology and your baby’s development. Olive, avocado, and coconut oil are generally considered safe exceptions.
Plant components to limit:
- Seeds and grains
- Legumes (beans, peas, soy)
- Nightshades (tomatoes, eggplant)
- Most raw leaves, stems, and plant seeds
FAQ: Frequently Asked Questions
Q: Is it safe to take liver supplements in the first trimester? A: Yes, when consumed in moderate amounts (0.5-1 oz daily or the equivalent in capsule form), grass-fed liver is safe throughout pregnancy, including the first trimester. The key is sourcing from grass-fed, pasture-raised animals and staying within the broadly recommended Vitamin A threshold.
Q: Can organ supplements replace a prenatal vitamin? A: For most women following a nutrient-dense animal-based diet, high-quality organ supplements provide superior bioavailable nutrition compared to synthetic prenatal vitamins. That said, always discuss your complete prenatal nutrition protocol with your medical care team.
Learn more: Natural Prenatal Vitamins (10 Powerful Whole Food Options)
Q: Can I take organ supplements while breastfeeding? A: Yes! The same nutrient demands that make organs excellent during pregnancy apply to breastfeeding as well. DHA, fat-soluble vitamins, and bioavailable B vitamins remain critical for infant development through breast milk.
Learn more: Is It Safe To Take Organ Supplements While Breastfeeding?
Resources to Learn More About Pregnancy and Organ Supplements
The health of children in the womb is such an important topic and one that deserves a more thoughtful approach than what the mainstream medical community has offered. In fact, for many years, western medicine has treated pregnancy as an illness instead of the beautiful life stage that it is.
Here are several resources that may offer helpful information for your pregnancy strategy:
Should Women Consume Organs During Pregnancy?
Dr. Saladino breaks down the specific nutrients in organ meats and why they are uniquely suited to support a healthy pregnancy.
Nourished – Nutritional Wisdom For a Healthy Pregnancy | Mini Documentary
A short documentary featuring interviews with mothers who experienced pregnancies with and without animal-based nutrition, showing how whole-food prenatal nourishment changes outcomes.
This short documentary is our effort to inspire men and women that an animal-based diet can offer a more joyful, healthy experience from pre-conception to postpartum. It features interviews with mothers who had pregnancies with and without using animal-based nutrition.
Using an Animal-Based Diet to Optimize Fertility & Pregnancy
Dr. Saladino and midwife Lindsey Meehleis, LM, CPM, discuss fertility, prenatal care, placental health, labor, delivery, and postpartum recovery through the lens of animal-based nutrition.
Bottom Line
Pregnancy and organ supplements are not a fringe idea. They are a return to the nutrient-dense, animal-based foods that have supported healthy human pregnancies for millions of years. Grass-fed liver, brain, and other organ meats deliver bioavailable folate, DHA, fat-soluble vitamins, peptides, and growth factors that no synthetic prenatal vitamin can match. Eliminate seed oils, prioritize animal-based nutrition, and give your body the real food it was designed to thrive on. You and your baby deserve nothing less.
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