breastfeeding · milk supply · nursing tea · peppermint tea · postpartum ·أكتوبر 10, 2026

Does Peppermint Tea Lower Milk Supply? Is It Safe Postpartum and While Breastfeeding?

Does peppermint tea lower milk supply? There is no controlled human study showing that it does. The worry comes from traditional use and anecdotal reports, mostly about peppermint oil or very large amounts. One or two cups of ordinary peppermint tea is generally considered low risk for most postpartum and breastfeeding parents, as long as you watch your own supply.

Quick answer

Evidence that peppermint tea lowers supply is limited and mostly anecdotal.
A cautious amount is 1 to 2 cups a day, steeped about 5 minutes.
Peppermint tea has no caffeine.
Skip peppermint oil and extra-strong brews while nursing.
Six or more wet diapers a day by about day 5 is a common sign of enough milk.

Does peppermint tea lower milk supply?

There is no controlled human study showing that peppermint tea lowers milk supply. The concern comes from traditional use and anecdotal reports from breastfeeding parents, and it is most often linked to concentrated forms like peppermint oil or large daily amounts. A cup or two of mild peppermint tea is generally considered low risk, but individual bodies differ.

The NIH LactMed database, which reviews substances in breastfeeding, describes the evidence on peppermint as limited. La Leche League International lists peppermint among herbs some parents say reduce supply when used in large amounts. Parents who are weaning sometimes use it on purpose for that reason.

Dried chamomile flowers, spearmint, lemongrass and linden blossom on oatmeal linen beside a glass cup of pale tea — Spearmint and peppermint are both mints, but peppermint carries more menthol, which is why it is the one usually discussed for nursing.

Is peppermint tea safe to drink postpartum?

Yes, peppermint tea is caffeine-free and generally considered safe for most people to drink in the weeks after birth, including while breastfeeding, in ordinary tea amounts. Many new parents enjoy it for its fresh flavor and to settle a full stomach. If you have reflux, check with your provider, since mint can relax the valve at the top of the stomach.

Because it has no caffeine, it also will not add to the caffeine your baby gets through milk. See our guide on how long caffeine stays in breast milk if you also drink coffee or black tea.

How much peppermint tea is okay while breastfeeding?

A cautious approach is one cup a day to start, up to two cups of regular-strength peppermint tea, steeped about five minutes, while you watch your supply. Avoid peppermint oil, concentrated extracts, and several cups of extra-strong tea. If your output dips, pause the tea for a few days and see whether it returns.

For a broader list of options, see our guide to which teas are safe while breastfeeding and our best teas for postpartum recovery.

Sunlit made bed with white linen, a green knit blanket and an empty mug and glass of water on a wooden nightstand in the morning — Staying hydrated matters for milk production, and plain water counts just as much as any herbal tea.

How can I tell if my milk supply is dropping?

Signs of low supply include fewer than six wet diapers a day after the first week, a baby who still seems hungry after most feeds, slow weight gain, or a clear drop in pumped volume that lasts several days. Pumped output alone varies a lot from day to day, so check diapers and weight first.

The American Academy of Pediatrics notes that six or more wet diapers a day by about day five is a common sign a baby is getting enough milk. Our guide to low milk supply and lactation herbs goes deeper on what may help.

What are good caffeine-free alternatives to peppermint tea after birth?

Fruit-based and ginger-style herbal teas are common peppermint-free choices, and plain warm water works too. Many parents rely on fruit blends such as Mummy Magic Postpartum Tea, a USDA Organic, caffeine-free fruit blend made for the postpartum season. Check every label for herbs you want to avoid, and ask your provider about anything new.

You can find more gentle ideas in our new parent guide and our natural wellness guide.

Can peppermint tea help with postpartum bloating and gas?

Peppermint is traditionally valued for digestive comfort, and many new parents find a warm cup soothing after meals. It may help support a settled stomach, though it will not replace fluids, fiber, and gentle movement. Bloating that is severe or comes with fever or pain needs a provider's attention.

Still bloated weeks after birth? Read why you may still be bloated after giving birth.

When should I see a professional?

Contact a lactation consultant or pediatrician if your baby has fewer wet diapers than expected, is not gaining weight, or seems unsatisfied after feeds, or if you have breast pain, redness, or fever. Do not wait to see whether tea is the cause. Tell your provider about every herb you use, since ACOG and the AAP both recommend sharing this.

This article is for general educational purposes and is not medical advice. Secrets of Tea products are not intended to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the FDA. Consult your healthcare provider before starting any new supplement.