- Green beans WebMD
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- Onakpoya I et al, 2011, The Use of Green Coffee Extract as a Weight Loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials PubMed Central
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What is chlorogenic acid?
Chlorogenic acids are a group of organic acids found mainly in green coffee beans and in coffee. They are nonessential nutrients.
The term chloro in Greek means green (from green coffee beans) and is not related to chlorine.
Chlorogenic Acid Supplements
Nonprescription (over-the-counter) chlorogenic acid supplements or green coffee extracts are available.
Chlorogenic Acid Health Benefits
Chlorogenic acid is POSSIBLY EFFECTIVE in decreasing high blood pressure slightly .
There is INSUFFICIENT EVIDENCE about the effectiveness of chlorogenic acid supplements or green coffee beans extracts in the prevention or treatment of Alzheimer’s disease, diabetes mellitus type 2, high blood pressure  and infections , or in promoting weight loss [1,4].
Chlorogenic Acid Safety: Side Effects, Toxicity
Oral chlorogenic acid supplements or green coffee extracts are POSSIBLY SAFE for most people .
Not enough is known about the safety of green coffee extract supplements during pregnancy and breastfeeding, so women in these periods should avoid them .
Who else may need to avoid the green coffee extract supplements?
People with the following conditions may need to avoid green coffee supplements (which contain caffeine) :
- Anxiety disorders
- Bleeding disorders
- Diabetes mellitus
- High blood pressure
- Irritable bowel syndrome (IBS)
Chlorogenic Acid-Nutrient Interactions
Chlorogenic acid may decrease the absorption of glucose , but the importance of this effect is not known.