Is Matcha Supplementation Cognitive Function Randomized Trial safe?

Updated October 2026

Quick Answer

Matcha Supplementation Cognitive Function Randomized Trial has evidence relevant to safety, limits, and clinician-discussion contexts, but conclusions should stay close to the cited sources. One representative finding is: In dietary analysis, we found a significant inverse correlation between consumption of vitamin K in daily diet, excluding test drinks, and change in MoCA.

Key Takeaways

  • 01In dietary analysis, we found a significant inverse correlation between consumption of vitamin K in daily diet, excluding test drinks, and change in MoCA. [Sakurai K (2020)]
  • 02Matcha Green Tea Powder contains a variety of active ingredients beneficial to health, such as tea catechins, lutein and vitamin K. [Sakurai K (2020)]
  • 03It is also known that these ingredients confer benefits upon cognitive functions of elderly people. [Sakurai K (2020)]
The current Migaku evidence database contains 1 reusable source document for Matcha Supplementation Cognitive Function Randomized Trial. This answer focuses on safety, limits, and clinician-discussion contexts. - In dietary analysis, we found a significant inverse correlation between consumption of vitamin K in daily diet, excluding test drinks, and change in MoCA. [Sakurai K (2020); evidence level 4] - Matcha Green Tea Powder contains a variety of active ingredients beneficial to health, such as tea catechins, lutein and vitamin K. [Sakurai K (2020); evidence level 4] - It is also known that these ingredients confer benefits upon cognitive functions of elderly people. [Sakurai K (2020); evidence level 4] Evidence levels are sorting aids, not final clinical grades. Level 1 usually indicates systematic-review style evidence, level 2 indicates randomized trials or public-health guidance, and lower levels need more cautious wording. This page is educational. People with medical conditions, pregnancy, medication use, or unusual symptoms should ask a qualified clinician before changing supplements, medication, or treatment routines.

Sources

  1. Effects of Matcha Green Tea Powder on Cognitive Functions of Community-Dwelling Elderly Individuals.