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  • A Rice Bran & Mushroom Enzyme product*
  • Made by a Unique, Patented Natural Process*
  • Purified Water Extract of Rice Bran combined with a special Shiitake Mushroom Enzyme*
  • Result is Rice Bran Arabinoxylan Compound (RBAC)*
  • A Biological Response...

Free shipping in all the U.S. except Alaska and Hawaii.

Daiwa Health offers a free return/refund policy in the event your order was damaged.
PEAKIMMUNE4® 250mg - Daiwa Health Development, Inc.


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  • Europe & USA within 2-4 days
  • Rest of the world within 3-7 days
  • Selected locations