Green Coffee Extract
A popular weight loss supplement rich in chlorogenic acids.
Also known as: Green Coffee Bean Extract • GCBE
Overview
Green Coffee Extract is derived from unroasted coffee beans. The roasting process reduces the amount of chlorogenic acid, which is believed to be the primary active compound responsible for the extract's health benefits. It is commonly used as a weight management supplement and for its antioxidant properties.
Key Benefits
Supports Weight Management
Chlorogenic acid may help reduce the absorption of carbohydrates and body fat, leading to modest weight loss.
Helps Regulate Blood Sugar
Studies suggest that green coffee extract can improve glucose metabolism and reduce blood sugar levels.
Provides Antioxidant Support
Rich in antioxidants, it helps protect the body against oxidative stress and inflammation.
Dosage & How to Take
The dosage of green coffee extract depends on the concentration of chlorogenic acids in the supplement.
| Purpose | Dose | Notes |
|---|---|---|
| Weight Loss | 200-400 mg, 2-3 times per day | Taken 30 minutes before meals. |
| Blood Sugar Control | 400 mg/day | Standardized to 50% chlorogenic acids. |
Best Time to Take
For weight loss, it is recommended to take it 30 minutes before meals.
With or Without Food
Should be taken on an empty stomach before meals.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Capsules/Tablets | Good | Convenience and accurate dosing. | The most common form of supplementation. |
| Powder | Good | Adding to drinks. | Allows for flexible dosing. |
Side Effects & Safety
Common
- Headache
- Upset stomach
- Insomnia
- Anxiety (due to caffeine content)
Rare
- Increased heart rate
- Allergic reactions
Contraindications
- Individuals with anxiety disorders, bleeding disorders, diabetes, or heart conditions should consult a doctor before use.
Interactions
May increase the effects of other stimulants, leading to increased heart rate and blood pressure.
May enhance the effects of diabetes medications, potentially leading to hypoglycemia.
May affect blood pressure, so caution is advised for those on antihypertensive drugs.
Scientific Research
The Use of Green Coffee Extract as a Weight Loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials
Green coffee extract appears to have a significant effect on body weight, though the magnitude of the effect is small.
A meta-analysis of the effect of green coffee extract on blood pressure
The consumption of green coffee extract can significantly reduce both systolic and diastolic blood pressure.
Food Sources
Products With Green Coffee Extract
2 products in our database contain this ingredient
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.