Green Coffee Bean Supplement

Updated | 2021-01-26

Written and reviewed by the NatureClaim Team

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Green Coffee Bean

Overview of Green Coffee Bean

Scientific Name: Coffea

Order: Gentianales

Family: Rubiaceae

The powder is mixed with drinks and consumed as a tablet.



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Conflicting (Unclear):

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Limited Evidence:

  • Cognition and Memory [4]

No Evidence:

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No Clinical Research:

  • Weight Loss
  • And all other conditions.

Side Effects
Side effects may include:
  • Side effects have not been studied, but they may be similar to coffee.
Precautions and Adverse Events:
  • Use caution or contact a licensed healthcare practitioner, if you are sensitive to caffeine products (for example, coffee), and know they may affect your health.
  • There are cases that inhalation of powdered green coffee has caused hypersensitive allergic responses.

Pregnant or Nursing

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



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Green coffee bean is not a "drug", so 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.


1. Ochiai R, Jokura H, Suzuki A, Tokimitsu I, Ohishi M, Komai N, Rakugi H, Ogihara T. Green coffee bean extract improves human vasoreactivity. Hypertens Res. 2004 Oct;27(10):731-7. 2. Kozuma K, Tsuchiya S, Kohori J, Hase T, Tokimitsu I. Antihypertensive effect of green coffee bean extract on mildly hypertensive subjects. Hypertens Res. 2005 Sep;28(9):711-8. 3. Watanabe T, Arai Y, Mitsui Y, Kusaura T, Okawa W, Kajihara Y, Saito I. The blood pressure-lowering effect and safety of chlorogenic acid from green coffee bean extract in essential hypertension. Clin Exp Hypertens. 2006 Jul;28(5):439-49. 4. Reyes-Izquierdo T, Nemzer B, Shu C, Huynh L, Argumedo R, Keller R, Pietrzkowski Z. Modulatory effect of coffee fruit extract on plasma levels of brain-derived neurotrophic factor in healthy subjects. Br J Nutr. 2013 Aug 28;110(3):420-5. 5. Jones RN, Hughes JM, Lehrer SB, Butcher BT, Glindmeyer HW, Diem JE, Hammad YY, Salvaggio J, Weill H. Lung function consequences of exposure and hypersensitivity in workers who process green coffee beans. Am Rev Respir Dis. 1982 Feb;125(2):199-202. 6. Zuskin E, Kanceljak B, Witek TJ Jr, Schachter EN. Acute ventilatory response to green coffee dust extract. Ann Allergy. 1991 Mar;66(3):219-24. 7. Afendi FM, Okada T, Yamazaki M, Hirai-Morita A, Nakamura Y, Nakamura K, Ikeda S, Takahashi H, Altaf-Ul-Amin M, Darusman LK, Saito K, Kanaya S. KNApSAcK family databases: integrated metabolite-plant species databases for multifaceted plant research. Plant Cell Physiol. 2012 Feb;53(2):e1.

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