Black Walnut Supplement

Updated | 2021-01-26

Written and reviewed by the NatureClaim Team

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Black Walnut

Overview of Black Walnut

Scientific Name: Juglans nigra

Order: Fagales

Family: Juglandaceae

Black walnuts are native to eastern North America. The leaves and nut hulls are used in herbal medicine.



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Conflicting (Unclear):

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Limited Evidence:

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No Evidence:

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No Clinical Research:

All other conditions.

Side Effects
Side effects may include:
  • Side effects have not been studied.
Precautions and Adverse Events:
  • Caution should be advised if you have nut allergies and/or know that you are allergic to walnuts.
  • Contact a licensed healthcare practitioner, since there is not enough research on the use of supplements containing black walnut.

Pregnant or Nursing

There is not enough research on the use of supplements containing black walnut during pregnancy and breast-feeding, so consult a licensed healthcare practitioner before use or avoid use.



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Black walnut is not a "drug", the best doses have not been thoroughly established. Make sure to follow the specific product instructions and take as directed on the label, or consult a licensed healthcare practitioner before use.

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