
Breastfeeding on a vegan diet can fully support your baby’s growth and development when you focus on proper nutrition. By planning balanced plant-based meals and ensuring adequate intake of key nutrients, vegan mothers can stay healthy while providing the best for their little ones. This guide offers practical tips, supplement advice, and strategies to help you confidently nourish your baby on a plant-based diet.
Requirements for vitamin A, vitamin C, and iodine are higher for breastfeeding mums than for pregnant women. So continue sprinkling a little iodised salt on your food (or a supplement) and make sure you are eating plenty of fruits and vegetables for your vitamin A and C intake. Some experts recommend that breastfeeding women take at least 300 micrograms of DHA + EPA per day.
It is absolutely crucial to continue with vitamin B12 supplements while you are breastfeeding. You and your baby both need B12 and you both can get it from the supplement you take.
The Australian Breastfeeding Association is a great resource for anyone needing support with breastfeeding. Services include breastfeeding help line, education classes and social support groups. For more information contact them here: www.breastfeeding.asn.au or on 1800 686 268.
For further breastfeeding information please contact a vegan health professional.
Eating a variety of nutrient-dense plant-based foods is essential to support both your health and your baby’s growth. Include legumes, tofu, tempeh, whole grains, nuts, seeds, fruits, and vegetables in your daily meals. Aim to incorporate protein, healthy fats, and complex carbohydrates at each meal to maintain steady energy and support milk production. Fortified plant milks and cereals can help provide additional calcium, vitamin B12, and vitamin D, which are particularly important for vegan breastfeeding mothers.
Breastfeeding can increase your energy needs, so it’s important to eat regularly and stay hydrated. Keep snacks like nuts, trail mix, hummus with veggie sticks, or fruit on hand for quick energy between meals. Prioritise iron-rich foods like lentils, chickpeas, and leafy greens, and pair them with vitamin C-rich fruits to boost absorption. Taking short breaks, preparing meals in advance, and including a variety of nutrient-dense foods can help you feel nourished and energised throughout the day.
In circumstances where formula is something a parent wants or needs for their baby, there are plenty of vegan options that are healthy for human babies and which don’t harm animal babies.
Just some of the available options:
Whether or not a family is vegan, newborn infants have a diet of either breast milk or commercial infant formula. Unless your baby gets enough sun exposure (and it’s hard to know, since ‘enough’ depends on your baby’s skin tone and the strength of the sun) he or she will need a supplement of vitamin D. Your pediatrician will most likely prescribe 10 micrograms per day – the same amount that babies take in non-vegan households.
If your baby is not breastfed, he or she will need to consume a commercial infant formula like infant soy formula. Regular plant milks, including soymilk, are not adequate nutrition for infants. Nor are homemade formulas.
That’s it for the first four months – breast milk + vitamin D, or infant formula. As long as your diet is adequate and you are taking a vitamin B12 supplement, your milk will nourish your baby.
Between four and six months, your baby will start to consume some solid foods. Choose ones that are rich in iron, like iron-rich infant cereal. Depending on how much your baby is eating, your GP/maternal and child health nurse (Aus) or pediatrician (US) may recommend iron supplements. Again, this is true for breastfed infants of non-vegan mums, too.
Babies are generally ready to explore solid foods when they can sit unsupported and can pick up a food and put it in their mouth, sometime between four and six months of age.
Introduce one new food at a time to identify any allergies. Iron-fortified rice cereal is a great first food since rice is rarely allergenic. Mix it with breast milk or infant formula. If you make your own cereal by grinding up grains in a blender, be sure that your baby is getting an iron supplement.
Once your baby is enjoying a few different cereals, you can introduce soft (in the case of baby-led weaning) or pureed fruits, and vegetables. As your baby learns to chew, introduce soft pasta or rice, breads and dry cereals.
By age 7 to 8 months, your baby will be ready for more protein-rich foods like well-mashed, well-cooked beans and mashed tofu. Nut and seed butters should be spread on bread or crackers to avoid choking.
Your baby will consume less milk or formula as he or she eats more solid foods but continue with breast milk or formula until at least the first birthday. At that time, your baby can start to drink fortified soy milk. (Other plant milks are too low in protein for babies and toddlers.)
A well-planned vegan diet during breastfeeding can fully support your baby’s growth and your own health. Focus on nutrient-rich foods and ensure adequate intake of vitamins A, B12, C & D, iodine, calcium, iron, and omega-3s. Use fortified foods and supplements as needed, continue monitoring your baby’s development, and consult your healthcare provider when in doubt. With mindful planning, a plant-based approach to breastfeeding is safe, nourishing, and sustainable.
Article based on information from Ginny Kisch Messina, MPH, RD. Contact Ginny at www.theveganrd.com for further info.
Yes! A well-planned vegan diet, with a variety of whole plant foods and appropriate supplementation (especially vitamin B12, vitamin D, DHA/EPA, iron, and iodine), can fully support both your health and your baby’s growth. Regular check-ins with your healthcare provider help ensure nutrient adequacy.
Breastfed babies typically need a vitamin D supplement, regardless of whether their mother is vegan. In some cases, iron supplements may be recommended once solids are introduced, and a B12 supplement for the mother ensures your milk provides this essential nutrient.
Babies are usually ready to start solids between 4–6 months, when they can sit unsupported and pick up food. Begin with iron-rich cereals, then gradually introduce fruits, vegetables, grains, and protein-rich foods like mashed beans and tofu. Introduce one food at a time to monitor for allergies.

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Comments
Hi, I spoke to Karicare+ today, and I was advised that none of their formulas are Vegan.
Thank you! we have removed Karicare now
Thank you so much for an amazing website, so much info and great tips. We made the switch as a family of 4 two years ago. I feel like I’m being a bit picky but I don’t like the wording in the last paragraph. It feels like your saying no breastfeeding after 1 years and soy should replace boob and formula. The Who recommend breastfeeding until at least 2 years minimum. I just feel like your wording could be more like, soy milk can be included at 1 year along side breastfeeding. It’s hard for a mother to get to 1 year and if they do they should have clear encouragement that continuing past one year is amazing for both them and their child, not something that could be easily mis interpretated you stop at 1 then give soy now instead. Sorry for being so picking just something I am passionate about and the lack of help, support and knowledge out there for breastfeeding mothers is very limited even from health professionals. And society needs to see it as normal too. Thanks Anna
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