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How many calories are in breastmilk vs formula?

Understanding Caloric Content: Breast Milk vs. Formula
When it comes to infant nutrition, the debate between breast milk and formula is a significant one, particularly regarding their caloric content. Both options provide essential nutrients for a growing baby, but they differ slightly in their caloric density.
Caloric Content of Breast Milk
Breast milk is known for its dynamic composition, which can vary based on several factors, including the time of day and the mother’s diet. On average, breast milk contains approximately 22 calories per ounce. This caloric value can fluctuate; for instance, milk produced later in the day may be richer and higher in calories compared to milk produced earlier. The variability in breast milk is a natural adaptation, allowing it to meet the changing nutritional needs of the infant.
Caloric Content of Formula
Infant formula, on the other hand, is typically standardized to provide a consistent caloric intake. Most commercial formulas contain about 20 calories per ounce. This slight difference in caloric density means that breast milk generally offers a bit more energy per ounce than formula. However, the nutritional composition of formula is designed to mimic breast milk as closely as possible, providing a balanced mix of proteins, fats, and carbohydrates to support infant growth and development.
Nutritional Implications
While the caloric content is an important factor, it is not the sole determinant of an infant’s growth and health. Research indicates that the volume of milk consumed is crucial for growth, rather than just the calorie count. Breastfed infants may consume varying amounts of milk, which can affect their overall caloric intake. Additionally, breast milk contains antibodies and other bioactive components that formula lacks, contributing to the immune system and overall health of the infant.
In conclusion, while breast milk generally has a higher caloric content than formula, the choice between the two should consider various factors, including nutritional needs, maternal health, and personal circumstances. Both breast milk and formula can support healthy growth in infants, but breast milk offers unique benefits that extend beyond mere calories.

Is breastmilk or formula higher in calories?

Infant formula on the other hand has about 20 calories per ounce, which, compared to the average that we know for breast milk, is about 2 calories less than breast milk. There are formulas that are higher calorie, though these are typically used for infants in the NICU or who are having trouble growing.

Do babies gain more weight on formula or breastmilk?

Healthy breastfed infants typically put on weight more slowly than formula-fed infants in their first year. 12. Formula-fed infants typically gain weight more quickly after about 3 months of age. Differences in weight patterns continue even after introducing complementary foods.

Is 4 oz of breastmilk the same as 4 oz of formula?

Try not to compare the amount of breastmilk in a bottle to formula in a bottle because they will mostly likely be different. Breastfed babies typically eat less at a feeding because breastmilk has more nutrients per ounce, and babies digest breastmilk more fully than formula.

Can you go back and forth between breastmilk and formula?

It can take several weeks for you and your baby to feel happy and confident with breastfeeding. Once you’ve both got the hang of it, it’s usually possible to offer your baby bottles of expressed milk or formula alongside breastfeeding. This is sometimes called mixed or combination feeding.

Are there more calories in whole milk or formula?

Calorie and fat content of various milks

Type of milk Calorie content* (kcal per ounce) Fat content (grams per ounce)
human milk 22 (average)† 1.2 (average)†
infant formula 20 1.06
cow milk (whole) 19 1.00
cow milk (2%) 15 0.62

Does breastmilk become a higher calorie?

Mothers with the highest fat and protein in the milk were past 2 years postpartum. Breastmilk from mothers who were over 2 years postpartum had approximately 60% more calories per ounce as compared to breastmilk from mothers who were under 12 months postpartum.

Do you lose more weight, breastfeeding or formula?

In the normal-birth-weight group, exclusive breast-feeding through 6 months was associated with a 0.6-kg greater decrease in maternal weight from 4 to 6 months compared with complementary feeding (−0.7 ± 1.5 versus −0.1 ± 1.7 kg, p <0.05).

How much does a baby grow in the last 10 weeks of pregnancy?

After 35 weeks, growth slows to about 188 grams per week, or 6.6 ounces. (Twins slow earlier, at around 28 weeks, and then average about 170 grams each week.) In the last few weeks of pregnancy, the growth rate continues to gradually slow to about 168 grams (a little less than 6 ounces) per week by week 40.

Is breastfeeding like running 7 miles?

The metabolic energy needed to breastfeed a baby each day is the amount you’d use to walk seven miles! Current breastfeeding rates (reported in 2016) showed that 81% of infants are breastfed initially, 51% are still breastfeeding at 6 months, and 31% have continued to breastfeed at 12 months.

Is breastmilk or formula healthier?

Compared with formula, the nutrients in breastmilk are better absorbed and used by your baby. These include sugar (carbohydrate) and protein. Breastmilk has the nutrients that are best for your baby’s brain growth and nervous system development.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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