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Immortal Musings

White Mulberry Mysteries – Your Top 3 Questions Answered
(Text Version)

by Ralph Kenney

March 09, 2017


Today  I thought I’d just take a quick moment to answer the 3 most frequently asked questions about white mulberry tea.

  • Does it have to be white mulberry leaves or will the leaves from any mulberry tree have the same effect?
  • We don’t really know for sure. We believe that all mulberry trees have DNJ, the most commonly cited active ingredient in White Mulberry Leaf. But, we do not know if the other species are as potent or effective.

    White mulberry trees (Latin: Morus alba) are the species of mulberry that is native to China. Because of that, it is the species of mulberry that has been used in Traditional Chinese Medicine for thousands of years.

    And, because of that, it is also the species of mulberry that has received the most scientific research.

    At Immortalitea, we only offer White Mulberry Leaf because that is the mulberry that has thousands of years of traditional experience and the modern science behind it. 

  • I have a mulberry tree growing near me, can I just pluck the leaves and make tea from those? 
  • Yes, I’m a big fan of growing and preparing your own teas. This is obviously the freshest way and often the most potent.

    I do want to suggest a couple of cautions. White Mulberry leaves contain a sap that is mildly toxic to humans causing redness and itching to the mouth when consumed and to the hands when touched often. Be sure to dry, roast or cook the leaves thoroughly before brewing tea with them. That removes the sap and makes them safe to use.

    Also, different species of mulberry tree are notoriously difficult to distinguish. Unfortunately, it’s not as east as just looking at the berries. Horticulturists use the leaf shape but even that is quite difficult. Ideally, you want to make sure you are using white mulberry leaves. (see the question above).

  • Does White Mulberry Tea lower blood sugar?
  • The DNJ molecule looks very similar to a sugar molecule. The enzymes in your digestive system that break down sugar for absorption into your blood stream are tricked into bonding with the DNJ instead.That the really big question we get about white mulberry. White mulberry leaf can be a very useful adjunct to your blood sugar management regimen but is does not directly lower blood sugar the way a prescription drug might. White mulberry leaf contains a compound called DNJ.

    As a result, less of these enzymes are available and fewer of your dietary sugars are broken down for absorption and instead they pass through your body as waste. 

    Less sugar absorbed into your blood stream is obviously a good thing for helping manage blood sugar. So, white mulberry leaf can be a very helpful part of your blood sugar management routine but it does not “directly” remove sugar from your blood.

    I hope you found this helpful. If you have other questions, I’ll be happy to answer them. Please leave them in the comments sections below or send me an email.

    2 comments


    • You’ll typically use about 1 tablespoon per 8 oz cup.

      Ralph on

    • What is the average quantity of White Mulberry leaf to use for an 8 oz cup

      Richard Franklin on

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