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Chlorogenic Acid from Green Coffee Beans

growing green coffee beansChlorogenic acid is a natural compound found in raw green coffee beans but when the coffee beans are roasted, the chlorogenic acid is mostly destroyed. So, the potential healthy benefits from drinking regular coffee (i.e. coffee brewed from roasted coffee bean) would likely be significantly less than if taking a green coffee chlorogenic acid nutritional supplement.

That said, there has been a lot of recent research suggesting a number of health benefits from traditional roasted coffee, even though brewed coffee from roasted coffee beans has substantially less chlorogenic acid than most raw green coffee bean supplements.

Raw coffee beans are the most abundant natural plant source of chlorogenic acid.

Green coffee bean extract is generally consumed as a supplement since drinking liquid coffee made from unroasted coffee beans would have a bitter unpleasant taste, and would not provide the desired dosage of chlorogenic acid.

Some recent research has suggested chlorogenic acid may improve retinal health. Other research suggests that chlorogenic acid inhibits the release of glucose into the blood stream. Japanese researchers did a study in 2005 using a placebo for some participants and green coffee bean extract on the others, in a test of the potential effects of the substance on people with mild hypertension. The result was lower blood pressure and no negative side effects.

Larger, peer-reviewed research is needed.

 


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References & Resources

PubMed.gov
January 2012
“Randomized, double-blind, placebo-controlled, linear dose, crossover study to evaluate the efficacy and safety of a green coffee bean extract in overweight subjects”

DovePress
January 2012
“Randomized, double-blind, placebo-controlled, linear dose, crossover study to evaluate the efficacy and safety of a green coffee bean extract in overweight subjects”

PubMed.gov
October 2004
“Green coffee bean extract improves human vasoreactivity”

PubMed.gov
September 2005
“Antihypertensive effect of green coffee bean extract on mildly hypertensive subjects”

PubMed.gov
January 2006
“Inhibitory activity of chlorogenic acid on enzymes involved in the fatty acid synthesis in animals and bacteria”

PubMed.gov
January 2002
“Green coffee bean extract and its metabolites have a hypotensive effect in spontaneously hypertensive rats”

PubMed.gov
March 2008
“Consumption of high doses of chlorogenic acid, present in coffee, or of black tea increases plasma total homocysteine concentrations in humans”

PubMed.gov
June 2003
“Chlorogenic acid bioavailability largely depends on its metabolism by the gut microflora in rats”

PubMed.gov
December 2002
“Chlorogenic acid modifies plasma and liver concentrations of: cholesterol, triacylglycerol, and minerals in (fa/fa) Zucker rats”

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Comments

  1. Great work! This is the type of info that should be shared across the web.
    Shame on Google for not positioning this submit higher! Come
    on over and discuss with my web site . Thank you =)

  2. Jane Caparelli says:

    I’ve read in a number of places that the minimum level of chlorogenic acid to look for in a green coffee supplement is 42%. Some supplements don’t say how much they have! Then I saw Dr. Lindsey Duncan the other day on TV on “The View” recommend 45%. But I see your recommended product, Perfect Green Coffee, has 50% chlorogenic acid. Does that mean Perfect Green Coffee is the best one?

    • We think ‘Perfect Green Coffee’ is as good as a green coffee bean extract product as you can get. Plus, we think it is the very best value, by far. So, when looking at quality, then factoring in price, Perfect Green Coffee is the big winner. That’s why we chose Perfect Green Coffee as our #1 recommended product. Plus, Perfect Green Coffee has a chlorogenic acid level of 50%. That’s as good as it gets. As far as the Lindsey Duncan recommendation for the product with 42%, that’s because he is recommending a product he has an ownership interest in, and that product has only 42% chlorogenic acid. He should have disclosed that fact on television, but did not, and that failure to disclose is a concern. We haven’t looked at his product closely. It’s probably a good product, but we still like Perfect Green Coffee best.

      As for products that do not disclose how much chlorogenic acid is in the product, obviously they should be avoided altogether.

      Hope this info helps and thanks for visiting! Don’t forget we take telephone orders at 732-249-9008 from 11:00 a.m. to 7:00 p.m. Eastern.

  3. I have been taking the green coffee bean extract (GCBE) since october (not as much as recommended in the first month anyway due to my worry about its effects). since october i have lost 15 pounds (approximately 14 weeks). I found the GCBE provided me great appetite control, it did not take away my hunger, but allowed me to feel satisfied easily so i could easily manage my own portion controls. I also found that I did not get any hunger spikes during the day or evening, probably due to the insulin control it provides which avoids that up and down swings of hunger. I had always eaten decently but this helped my 40-something struggling metabolism greatly, and of course just continue to try to avoid the crappy foods.

    • That’s great news, Sue.
      Please keep us posted on your hopeful continued success!

      • Finally an article that isn’t filled with garbage – I am a 52 yo male 5 11 and 165 lbs with a slender build (And a gut :) ) Just started GCBE today at the recommended dosage of 400 mg twice a day – I don’t really need to lose weight, but wonder if GCBE will concentrate on the fat in my stomach or overall weight? I do exerise – mostly walking and have a low calorie intake per day.

    • Pauline Thatcher says:

      Thank you for your cummary of green coffe extract. It was extremely informative for me!

  4. I was wandering if a person is being doing UA”S wll it show up as a bad UA? or is it alright to take when you are under pain mng.

  5. I just started the GCBM, the dosage instructions only mentions taking 2 pills 30 minutes before meal time, which for me is 2 prior to breakfast and 2 prior to lunch, 4 pills.
    Is that too many pills to take in a day for a 50 yo woman at 5″5″ and 158 lbs?
    I have read other sites that only mention taking 1 pill prior to breakfast and lunch. Which is correct?

    thanks

  6. Marcella says:

    I recently purchased Pure Green Coffee Bean capsules by Pure Health 800 mg. Would you say this would be considered the best brand? Or comparable to the one you have advertised? Any reported side effects?

    • We feel the best brand is ‘Perfect Green Coffee’ because (1) Perfect Green Coffee has a higher chlorogenic acid level at 50% vs. 45% and that is the important ingredient in green coffee bean extract, (2) The ingredients in Perfect Green Coffee are lab-verified for purity and chlorogenic acid level by a certified testing lab, and (3) Perfect Green Coffee is made in the USA — we don’t know where the product you mentioned is made, and they don’t give that information on their website. We also get somewhat uncomfortable when we see statements like “as seen on national TV” since I’ve never seen that product on national TV.

      That said, when buying 3 bottles of Perfect Green Coffee, customers get a 25% discount bringing the price down to $18.72 per 90 capsule bottle. The 6 bottle price gets a 30% discount which is $17.47 per bottle. The 12 bottle price gets a 35% discount bring the price down to just $16.22 per bottle. And shipping prices are lower than most all other companies. So, the bottom line is Perfect Green Coffee is, in our opinion, the best green coffee product in our view and is priced extremely well.

  7. Is this product safe to be taken together with my maintenance medicines such metformin and simvastatin?

  8. I am 39yrs old. Female. I have been using Pure Green Coffee Bean Extract for 1mth, additionally I have taken a senna based slim down flush 16 tablets in 4 days, plus I have now started using Green Coffee 1000, a tea to be taken twice a day in addition to the tablets. I am still the same weight as when I started the last week of July even though I increased my intake of vegetables and started exercising. I live in Trinidad W.I. Can anybody out there help me.

    • Hi Tabitha,
      I’m not familiar withe the product brands you are taking, but you should do this. Look at the ingredients label. The ingredients should indicate one ingredient only. That ingredient should be “green coffee bean extract” and the label should also indicate the chlorogenic acid level. The chlorogenic acid level should be at least 42%. Look at this label to see what an authentic pure green coffee bean extract label should show. See here http://healthfoodpost.com/green-coffee-extract/buy-green-coffee-extract/ . By the way, this excellent green coffee, called Perfect Green Coffee, can be shipped to Trinadad, W.I.

  9. When I take Dietworks Green Coffee Bean extract from Costco I don’t seem to be able to fall asleep. Is the caffien content super high or something or is it just me? I have been afraid to take the pm pill because I may not be able to sleep.
    Also, is this a good brand to take?

    • We’re not familiar with the brands Costco sells and don’t know what ingredients are in it…so we have no opinion. However, the brand offered on HealthFoodPost.com is Perfect Green Coffee which is 100% pure, made in the USA and has only trace amounts of caffeine, so it should not keep interfere with your sleep at all.

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