Breastfeeding Nutrition Guide: What to Eat, Key Nutrients and Supplements
- Good nutrition while breastfeeding starts with a varied, balanced diet built around nutrient-dense foods.
- You do not need a special or restrictive "lactation diet", but breastfeeding changes your nutritional context.
- Important nutrients to consider include iodine, choline, vitamin B12, vitamin D, calcium, iron, omega-3 fats including DHA, protein and fibre.
- Food should remain the foundation of breastfeeding nutrition. Individual supplementation needs vary according to diet, existing supplements and health circumstances.
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Good nutrition while breastfeeding starts with a varied, balanced diet built around nutrient-dense foods. You do not need a special or restrictive "lactation diet", but breastfeeding changes your nutritional context and can increase the relevance of certain nutrients, energy and fluids. Australian dietary guidance recommends choosing a wide variety of nutritious foods from the five food groups and focusing on food quality rather than simply eating larger quantities.
Important nutrients to consider while breastfeeding include iodine, choline, vitamin B12, vitamin D, calcium, iron, omega-3 fats including DHA, protein and fibre. Your individual needs also depend on what you normally eat, whether you follow a vegetarian, vegan, dairy-free or fish-free diet, and which supplements you already take.
Food should remain the foundation of breastfeeding nutrition. Individual supplementation needs vary according to diet, existing supplements and health circumstances.
What Should You Eat While Breastfeeding?
A balanced diet for breastfeeding should include a variety of foods from the major food groups rather than focusing on one "best" food for lactation.
Aim to regularly include:
- Vegetables and legumes
- Fruit
- Wholegrain or high-fibre grain foods
- Protein foods, such as meat, poultry, fish, eggs, legumes, tofu, nuts and seeds
- Milk, yoghurt and cheese or calcium-fortified alternatives
- Healthy sources of dietary fat
- Water and other suitable fluids
Australian dietary guidance recommends a wide variety of nutrient-dense foods during breastfeeding because nutrient needs increase without requiring a proportionately large increase in kilojoules.
Rather than asking whether a particular food is a "lactation food", it is generally more useful to ask:
- Does this meal provide protein?
- Does it include vegetables or fruit?
- Is there a wholegrain or high-fibre carbohydrate source?
- Am I regularly eating foods that provide calcium, iron and iodine?
- Am I including suitable sources of healthy fats?
- Does my overall diet provide enough variety?
There is also no need for most breastfeeding parents to avoid foods such as spices, beans, cabbage, peanuts, eggs or dairy because they are worried these foods will upset their baby. Pregnancy Birth and Baby advises that food is rarely the cause of unsettled behaviour and that common allergenic foods do not need to be routinely excluded during breastfeeding. If unsure, speak to a health professional.
Do Your Nutritional Needs Change While Breastfeeding?
Yes. Breastfeeding is a distinct nutritional life stage, so requirements for energy, some nutrients and water differ from those of a non-breastfeeding adult. Australia and New Zealand use Nutrient Reference Values specifically designed to account for lactation when assessing dietary requirements.
Breastfeeding also uses additional energy, so you may notice increased appetite or need somewhat more food than usual. The goal is not simply to eat as much as possible; Australian guidance recommends prioritising nutrient-dense foods so additional energy intake also contributes useful vitamins, minerals, protein and other nutrients.
Your individual requirements can vary according to factors such as:
- Age
- Usual food intake
- Breastfeeding pattern
- Activity level
- Vegetarian or vegan eating pattern
- Foods you avoid
- Existing nutrient levels
- Overall health
- Supplements you already use
This is why a breastfeeding nutrition plan is better thought of as a balanced dietary framework rather than a single prescribed menu that suits everyone.
What Are the Best Foods for a Balanced Breastfeeding Diet?
There is no single group of "best foods for lactation". The strongest dietary pattern combines foods that supply different nutrients across the day.
Vegetables, fruit and wholegrains
Vegetables, legumes, fruit and wholegrain foods contribute vitamins, minerals, fibre and carbohydrates.
Examples include:
- Leafy and other vegetables
- Beans, lentils and chickpeas
- Fresh fruit
- Oats
- Wholegrain bread
- Brown rice
- Wholegrain cereals
Protein foods
Protein foods include meat, poultry, fish, eggs and dairy as well as plant sources such as beans, lentils, tofu, nuts and seeds.
Dairy foods and fortified alternatives
Milk, yoghurt and cheese provide protein along with nutrients including calcium, iodine and vitamin B12. Healthdirect lists 2½ serves of milk, yoghurt, cheese or alternatives per day for breastfeeding women under the Australian dietary pattern. Calcium-enriched alternatives can be used where dairy is avoided.
Healthy fats
Fish and seafood provide long-chain omega-3 fats, while nuts, seeds and plant oils contribute other unsaturated fats. People who avoid fish may need to pay more attention to how they obtain long-chain omega-3 fats.
Which Nutrients Deserve Particular Attention While Breastfeeding?
A balanced diet provides many nutrients simultaneously, but some nutrients deserve particular attention because breastfeeding changes requirements, dietary patterns may make them harder to obtain, or supplementation may be specifically recommended.
A varied diet also contributes other nutrients relevant during breastfeeding, including folate, zinc, selenium and vitamins A and C.
Iodine While Breastfeeding
In Australia, breastfeeding increases the relevance of adequate iodine intake for thyroid function. Food sources include seafood, dairy products and iodised salt.
In Australia, iodine is different from many other nutrients because there is a specific supplementation recommendation during breastfeeding. The NHMRC currently recommends that people who are breastfeeding take an iodine supplement providing 150 micrograms per day. Speak with a health professional before starting a new supplement.
Read more: Iodine While Breastfeeding.
Choline While Breastfeeding
Foods containing useful amounts of choline include:
- Eggs
- Milk
- Meat and liver
- Peanuts
- Soybeans and other soy foods
- Wheat germ
Dietary intake can vary substantially depending on food choices, making choline an important nutrient to review when assessing a breastfeeding diet.
Read more: Choline While Breastfeeding.
Vitamin B12 While Breastfeeding
Vitamin B12 is found mainly in animal-derived foods and fortified foods, so dietary pattern influences intake.
Sources can include meat, fish, eggs, dairy products and B12-fortified foods.
Read more: Vitamin B12 While Breastfeeding.
Vitamin D While Breastfeeding
Food sources are relatively limited and can include eggs and some fortified foods.
Read more: Vitamin D While Breastfeeding.
Calcium While Breastfeeding
Calcium contributes to bone health. Milk, yoghurt and cheese are major dietary sources, while people who avoid dairy can use appropriately fortified alternatives such as calcium-fortified plant drinks or calcium-set tofu.
If you choose a plant-based milk, check the nutrition label because fortification differs between products.
Read more: Calcium While Breastfeeding.
Iron While Breastfeeding
Iron is needed for normal red blood cell production and oxygen transport. Food provides haem iron from animal foods and non-haem iron from plant foods.
Sources include meat, poultry, legumes, lentils, tofu, nuts, seeds, wholegrain cereals and green vegetables. Vitamin C can improve the absorption of non-haem iron from plant foods.
Read more: Iron While Breastfeeding.
Omega-3 and DHA While Breastfeeding
Omega-3 fats include different fatty acids, including the long-chain omega-3 DHA. Fish and seafood are important food sources of long-chain omega-3 fats.
People following a fish-free or vegan diet may need to consider alternative sources. Plant foods such as flax, chia and hemp provide shorter-chain omega-3 fats, while algae can provide a source of long-chain omega-3 fats.
Read more:
- Omega-3 and DHA While Breastfeeding
- Fish-Free DHA While Breastfeeding
Protein While Breastfeeding
You can obtain protein from meat, poultry, fish, eggs, dairy foods, beans, lentils, tofu, tempeh, nuts, seeds and wholegrains.
Eating a range of plant protein sources across the day can also contribute to a balanced diet.
Read more: Protein Needs While Breastfeeding.
Fibre While Breastfeeding
Fibre comes primarily from plant foods such as:
- Vegetables
- Fruit
- Legumes
- Wholegrains
- Nuts
- Seeds
A varied plant-rich diet provides fibre alongside many vitamins and minerals. Fibre intake should also be considered together with fluid intake, particularly if you are increasing fibre-rich foods substantially.
Read more: Fibre While Breastfeeding.
What About Probiotics While Breastfeeding?
Probiotics are not essential nutrients, but certain probiotic strains have been studied for specific uses during breastfeeding. Lactobacillus fermentum CECT5716 has been studied in breastfeeding women in relation to helping reduce occurrence of symptoms of mild mastitis whilst breastfeeding.
How Much Should You Drink While Breastfeeding?
Breastfeeding increases the relevance of hydration because water is lost through breastmilk. Australian Nutrient Reference Values account for this additional water requirement during lactation.
Water should be your main drink, and keeping water accessible during or around breastfeeds can make regular drinking easier.
Exact requirements differ with factors such as:
- Body size
- Climate
- Activity level
- Diet
- How much fluid you obtain from foods and other drinks
How Do Vegetarian, Vegan and Restricted Diets Affect Breastfeeding Nutrition?
A vegetarian or vegan breastfeeding diet can change which foods provide important nutrients, so planning becomes more important.
Vegetarian diets
A well-planned vegetarian diet can meet nutritional needs during breastfeeding. Nutrients worth reviewing include:
- Protein
- Iron
- Calcium
- Vitamin B12
- Omega-3 fats
- Iodine
Pregnancy Birth and Baby identifies protein, iron, calcium, vitamin B12 and omega-3 fatty acids as nutrients that deserve attention when animal-food intake is limited.
Read more: Vegetarian Nutrition While Breastfeeding.
Vegan diets
A vegan diet requires closer attention to nutrient sources during breastfeeding. Relevant nutrients include:
- Vitamin B12
- Iodine
- Calcium
- Iron
- Protein
- Vitamin D
- Zinc
- Omega-3 fats
Read more: Vegan Nutrition While Breastfeeding.
Fish-free diets
If you do not eat fish or seafood, review where your omega-3 fats — particularly long-chain omega-3 — come from. Algae-derived omega-3 products can provide a fish-free source.
Dairy-free diets
If you avoid dairy, choose alternative calcium sources deliberately. Calcium-fortified plant drinks, calcium-set tofu and other foods can contribute, but check product labels because fortification varies.
A Simple Breastfeeding Diet Plan Framework
There is no universal lactation diet plan or diet chart that every breastfeeding parent needs to follow.
A more flexible approach is to build meals using several food groups.
| Meal component | Examples |
|---|---|
| Protein | Eggs, chicken, fish, yoghurt, tofu, beans, lentils |
| Wholegrain or high-fibre carbohydrate | Oats, wholegrain bread, brown rice, wholegrain pasta |
| Vegetables or fruit | Fresh, frozen or cooked vegetables; fruit |
| Calcium-containing food | Milk, yoghurt, cheese or fortified alternative |
| Healthy fats | Nuts, seeds, avocado, olive oil, fish |
| Fluid | Water or another suitable drink |
For example, breakfast might combine oats, yoghurt or fortified plant milk, fruit and nuts. Lunch could combine wholegrain bread or rice with eggs, chicken, tuna, tofu or legumes and vegetables. Dinner can follow the same basic pattern of protein, vegetables and a wholegrain or other carbohydrate source.
Snacks can be kept simple:
- Fruit with yoghurt
- Wholegrain toast with nut butter
- Hummus with vegetables or crackers
- Cheese and wholegrain crackers
- Nuts and fruit
- Yoghurt with oats
- Fortified plant yoghurt with fruit
The aim is variety and nutritional adequacy, not following a perfect menu.
Should You Take Supplements While Breastfeeding?
Supplements can provide specific vitamins, minerals or other nutrients, but they do not replace the variety of nutrients, fibre, protein and foods found in a balanced diet.
If you are concerned your intake may be inadequate, discuss your diet and supplementation needs with an appropriate health professional.
Think of supplements as one part of the broader nutrition picture:
How Do You Choose a Breastfeeding Supplement?
Before adding a supplement, consider what nutrients you already obtain from food, what supplements you already take, whether nutrients may overlap, and speak with a health professional.
Check:
- Nutrients included
- Amount per daily serving
- Ingredient forms
- Directions for use
- Dietary suitability
- Warnings
- Whether you already receive the same nutrients elsewhere
When Should You Ask for Individual Nutrition Advice?
Consider individual advice from a health professional if you:
- Follow a vegan or restricted diet
- Avoid major food groups
- Have food allergies
- Are thinking of introducing a new supplement into your routine
- Have questions about nutrients
Frequently Asked Questions
Do you need to eat more while breastfeeding?+
You may need somewhat more energy while breastfeeding, but that does not mean simply eating a much larger amount of food. Focus on nutrient-dense foods and respond to your appetite while maintaining a varied diet.
What foods should you avoid while breastfeeding?+
Most breastfeeding parents do not need to routinely avoid common foods simply because they are breastfeeding. Restrictive diets can make nutritional planning more difficult, so avoid foods where a health professional advises it.
A Practical Breastfeeding Nutrition Checklist
A useful breastfeeding nutrition routine can be kept relatively simple:
- Eat a variety of foods from the major food groups.
- Include a source of protein regularly.
- Choose vegetables, fruit and wholegrains across the day.
- Include calcium-rich foods or fortified alternatives.
- Review your iodine intake and follow current Australian iodine supplementation guidance.
- Drink fluids regularly and respond to thirst.
References
- Australian Government – Eat for Health: Healthy eating when pregnant or breastfeeding
- Australian Government – Eat for Health: Nutrient Reference Values overview
- Australian Government – Eat for Health: NRV nutrient index
- NHMRC: Iodine Supplementation for Pregnant and Breastfeeding Women
- Healthdirect: Iodine
- Australian Government NRVs: Choline
- Healthdirect: Vegetarian and vegan diets
- Healthdirect: Vitamin B deficiency
- Australian Government NRVs: Vitamin D
- Healthdirect: Dairy foods
- Australian Government NRVs: Protein
- Australian Government NRVs: Water
- Pregnancy Birth and Baby: Diet and healthy lifestyle while breastfeeding
- Pregnancy Birth and Baby: Medicines and breastfeeding
Food should remain the foundation of breastfeeding nutrition. Individual supplementation needs vary according to diet, existing supplements and health circumstances. Speak with an appropriate health professional about your diet and whether supplementation is appropriate for you. Always read the label and follow the directions for use.
