Nutrient Levels in Breastmilk

How much can we influence them?

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Breast milk is an incredible, tailor-made nutrient powerhouse for your baby. While its volume and macronutrient content naturally adjust to your baby’s needs, some micronutrients in breast milk can be influenced by your diet and supplementation.

Before we dive into this topic, we want to acknowledge that breastfeeding can be tiring, emotional, difficult, and sometimes not achievable. Our intention behind this article is not to put additional pressure on mothers but rather to empower you with supportive information and education on this sensitive topic to ensure both you and your baby thrive.

Breastfeeding Nutrition

Breastfeeding is nutritionally and physically demanding, making a whole-food diet rich in nutrients essential. While the macronutrients (carbohydrates, proteins, and fats) in breast milk remain constant, micronutrients like B vitamins, choline, vitamin A, vitamin D, omega-3 fatty acids, selenium, and iodine are influenced by your diet.

Boosting Nutrients in Breast Milk

B Vitamins: Eggs, leafy greens, whole grains, legumes, fish, and meat.

Choline: Eggs, liver, chicken, fish, broccoli.

Vitamin A: Liver, oily fish, eggs, and beta-carotene-rich foods like pumpkin and sweet potato.

Vitamin D: Sunlight, oily fish, eggs, and sunlight-exposed mushrooms.

Omega-3s: Oily fish, chia seeds, walnuts.

Iodine: Seaweed, fish, dairy, eggs.

Your Health Matters Too

Some nutrients, like folate, calcium, iron, and zinc, remain unchanged in breast milk but are vital for your own well-being. These can be sourced from a varied diet including legumes, leafy greens, nuts, seeds, and quality proteins.

Creating a Balanced Plate

A simple approach to meet your nutrient needs:

Half your plate: Colourful vegetables like broccoli, capsicum, and leafy greens.

A quarter: Starchy carbs like sweet potato or brown rice.

A quarter: Protein such as eggs, tofu, or fish.

Add fats: Avocado, nuts, seeds, or olive oil.

Prepare meals in advance, ask for help, or use services like Meal Train to keep nutritious options on hand during the busy postpartum period.

Supplement Smartly

Even with the best intentions, diet alone may not meet all your needs. Continuing your prenatal vitamins and considering supplements for choline or omega-3s can be beneficial, but always consult a practitioner to ensure supplements are safe and effective for you and your baby.

A note for vegetarians and vegans: It is essential you are supplementing with adequate amounts of vitamin B12 and DHA. These nutrients are only found in adequate amounts in animal products. They are transferred through your breastmilk to your baby.

Need Support?

Navigating postpartum nutrition can be challenging, but you don’t have to do it alone. Our online clinic offers personalised advice from qualified nutritionists and naturopaths to ensure you and your baby thrive.

Book your consultation today to create a tailored postpartum nutrition plan.

References

  • Australian Breastfeeding Association, Breastmilk Composition – What’s in Human Milk? Accessed 11/3/26, https://www.breastfeeding.asn.au/resources/breastmilk-composition
  • CDC, Centers for Disease Control and Prevention, Breastfeeding Special Circumstances, Maternal Diet and Breastfeeding, accessed 11/3/26, https://www.cdc.gov/breastfeeding-special-circumstances/hcp/diet-micronutrients/maternal-diet.html
  • CDC, Centers for Disease Control and Prevention, Breastfeeding Special Circumstances, Vitamin B12 and Breastfeeding, accessed 11/3/26, https://www.cdc.gov/breastfeeding-special-circumstances/hcp/diet-micronutrients/vitamin-b12.html

Written and Reviewed by:

Kate Holm

Nutritionist & Naturopath Clinical Director

Luka McCabe

Founder Nutrition Consultant

Renee Jennings

Dietitian & Nutritionist, APD

Dr. Eliza Hannam

GP, IBCLC

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Back in stock

Toddler to Table now back in stock!

Your guide to bringing the family together, one meal (and delicious recipe) at a time.

Order now

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