Several women consider using herbs while breastfeeding to boost their milk production and supply. According to studies, herbs such as fenugreek, fennel, blessed thistle, and goat’s rue have galactagogue properties that may help maintain, promote, or induce milk production (1). However, their safety and efficacy for nursing mothers and their babies is inadequately researched. Thus, you should consult your healthcare provider before using herbs to avert any side effects. Read on to learn the safety of herbs when breastfeeding, the herbs that may promote milk supply and those you should avoid, and precautions you should observe while using herbs when breastfeeding.

Is It Safe To Take Herbs While Breastfeeding? 

The safety depends on the herbs you are taking. Herbs such as fennel and fenugreek may not be harmful if taken in small quantities, while herbs such as sage leaves and parsley may dry up the breastmilk. Also, there is no conclusive research on the safety of herbs when breastfeeding (2). Herbal galactagogues are often considered safe by anecdotal accounts. Some herbs may be useful in increasing the supply of breast milk.

Herbs That May Help Increase Milk Supply 

Herbs have been used for generations across various cultures to increase milk production in lactating women. Let’s see a few of them here (1) (4). However, if taken in excess, it may cause nausea or vomiting in mothers and/ or diarrhea in babies. If taken in excessive quantities, it is known to have a hypoglycemic effect (reduction in blood sugar level) in mothers with diabetes. Also, it may not be suitable for women having asthma. Also, it may produce a maple syrup-like smell in baby’s or mother’s urine, sweat, or milk.

Herbs To Avoid While Breastfeeding

Some herbs can have an adverse effect on breast milk supply as they dry up the milk. Such herbs may be avoided by lactating mothers. However, women with hypergalactia or those trying to wean a toddler may want to use them. Hypergalactia means an overabundance of milk supply (7). Below is a list of herbs that may reduce breast milk production (8) (9) (10). There is a lack of regulation on natural and herbal products, and thus it is good to exercise caution while using herbs.   

Precautions While Using Breastfeeding Herbs 

If you plan to have herbs while breastfeeding, then first discuss it with your healthcare provider and the baby’s pediatrician. Consider the following points before having herbs while breastfeeding (11).

There is no adequate safety information for most herbs used while breastfeeding.

The compounds found in herbs have the potential to pass into breast milk from where it can reach the infant’s body. The effects of the herb on the baby may not be known due to limited research.

Some herbal products may not always follow GMP (good manufacturing practices), making the quality and purity of the product questionable. Therefore, select products made by reputed manufacturers.

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