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Are There Any Green Coffee Bean Extract Side Effects? Or Chlorogenic Acid Side Effects?

Based on the current information available (as of March 2014) there are no known adverse side effects from green coffee bean extract supplements. The most popular research to date has been done by Dr. Joe Vinson, a chemist from the University of Scranton in Scranton, PA. Dr. Vinson stated in a widely publicized press conference (circa late 2011/early 2012) that in the study he headed there were no adverse side effects reported by any of the study participants. A company that produces green coffee extract supplements funded Dr. Vinson’s work. Dr. Vinson further stated that this lack of adverse side effects was in contrast to some prescription drugs used for weight loss, which did produce side effects, some serious.

Our #1 Pick For Best Quality/Best Value Green Coffee Bean Extract is…

‘Perfect Green Coffee’

Pure Perfect Green Coffee Bean ExtractClick on Bottle for details

Dr. Vinson’s study demonstrated successful weight loss results with study participants losing an average of 17 ½ pounds over 22 weeks and 16% body fat. The study participants’ did not alter their diet or exercise patterns. While the results were extremely impressive and encouraging, it should be noted that the first Vinson study was a small study. A follow-up study conducted by Dr. Vinson was announced in April 2013 in which Vinson cited the positive effect of chlorogenic acid on blood sugar in humans, in addition to weight loss. In the 2012 press conference, Vinson indicated the successful weight loss results from green coffee bean extract was likely attributable to the chlorogenic acid contained in raw, unroasted coffee beans. Other previous research over the years has shown chlorogenic acid to have an impact on blood sugar. Likely there will be further research into the efficacy and safety of green coffee extract, and chlorogenic acid, in the future. But, the current data, even though based on small studies, is impressive.

Digging Deeper – Green Coffee Extract Side Effects From Some Supplements?

Consider these 2 kinds of green coffee supplements.

1) 100% Pure Green Coffee Bean Extract Supplements
2) Green Coffee Supplements with Added Ingredients (i.e. NOT pure)

The discussion above involves a pure green coffee bean extract product form a specific manufacturer. But the key factor is that the substance was pure and had a high chlorogenic acid level. Many, if not most, of the green coffee supplements being sold today are not pure and many, if not most, have added ingredients. Some are even spiked with caffeine and other unnecessary ingredients. So when choosing a green coffee product it is critical to read the ingredients labels very carefully to verify the product is pure and does not contain additives.

Some things to look for in a green coffee supplement:

1) 100% pure.
2) Purity of ingredients and chlorogenic acid level should be verified by an independent testing lab.
3) Chlorogenic acid level should be at least 42%
4) Minimal caffeine.
5) Made in the USA, or other trusted location.
6) No additives.
7) Ideally the ingredients label should indicate only one (1) main ingredient.
8) The “other” ingredients should indicate what the capsule itself is made of.
9) There should be no “fillers” or flowing agents. Fillers are unnecessary ingredients used to make the capsule look full.

The “pure” factor is extremely important. As far as we know, there are no known negative side effects from “pure” green coffee bean extract. The problem is that many of the green coffee supplements on the market are not pure. They often contain fillers, flow agents and other ingredients and these ingredients could cause side effects, depending on what those added ingredients are.

So if you want to minimize your chances of having any negative side effects from green coffee bean extract, you absolutely must use only 100% pure green coffee extract with no additional ingredients. How can you tell if a green coffee bean supplement is 100% pure? Read the label. Any website offering green coffee extract, or any other supplement, should prominently display the ingredients label just like we do here on HealthFoodPost.com.

Here is the ingredients label from our #1 pick for our “Best Brand” green coffee supplement Perfect Green Coffee

Perfect Green Coffee ingredients label

Look carefully at the SUPPLEMENT FACTS and the OTHER INGREDIENTS. This supplement contains only 100% pure green coffee bean extract and the vegetable capsule that houses it. There are no added ingredients, so your chances of having any negative side effects are greatly reduced with a pure supplement like Perfect Green Coffee.

Consult Your Doctor & Pharmacist Before Taking Any Supplement

We always recommend that you check with a licensed physician before taking any nutritional supplements, especially if you have any medical conditions. Green Coffee Extract Supplements have not been studied on pregnant or breastfeeding women. Therefore, especially women who are pregnant or breastfeeding should consult their doctor before use, or avoid the supplement until they are no longer pregnant or breastfeeding. Since green coffee bean extract lowers blood sugar and blood pressure, people with hypoglycemia, diabetes, or hypertension should also consult their licensed physician before taking green coffee extract supplements, especially if they are on medications for these conditions. In general, consumers should consult a doctor and/or pharmacist before taking any supplement especially while taking prescription medications.


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Comments

  1. osmo räsänen says:

    What is the effect of chlorogenic acid to blood sugar in obese diabetics 2

  2. Will green coffee increase my blood pressure?

    • Hi Maria,
      We can not give medical advice so please pose this question to your doctor. You may want to tell him that Perfect Green Coffee contains only minimal trace amounts of caffeine. The caffeine level of the brand Perfect Green Coffee (featured on HealthFoodPost.com) is only approx. 8mg per capsule vs. approx. 150 mg per typical cup of coffee.

  3. So… It is known that many rodents eat those coffee beans as a dietary supplement daily simply due to mother nature, yet you can find some quite fat ones… How come if we consume this we lose weight when the rodents get fat from it?

    • First, in the human research studies, the participants were given green coffee bean extract supplements containing concentrated levels of chlorogenic acid. The humans were not given whole coffee green coffee beans to eat. (And, to get the same amount of chlorogenic acid from eating raw green coffee beans would probably require eating an enormous amount of coffee beans, not to the mention the fact that they would taste really bad. Hopefully humans have more sense than rats!) Second, fat rats probably eat anything (poor diet) and eat large amounts. Further, we are not aware that rats eat raw coffee beans. In cities like New York, Los Angeles, Chicago, Atlanta and so on, we don’t see where the rat population could get hold of raw coffee beans. So, we respectfully disagree with the premise. Thanks for visiting HealthFoodPost.com

  4. Jane Mitchell says:

    Does your Pure Coffee Bean Extract cause acid reflux? I appreciate your help.

    • Hi Jane, I never heard anyone complain about, or suggest that acid reflux is a potential side effect, but anyone with any medical condition should, of course, check with a licensed physician before taking any supplement.

  5. Since Green Coffee is natureal, can i use it while breastfeeding.

    • We recommend consumers always check with a licensed physician and pharmacist before taking any nutritional supplements, especially for people with medical conditions or who are taking medications. Green Coffee Extract Supplements have not been studied on pregnant or breastfeeding women. Therefore, especially women who are pregnant or breastfeeding should consult their doctor before use, or avoid the supplement until they are no longer pregnant or breastfeeding.

  6. I’m using blood thinner medication (warfarin) 7.5mg per day. Can I use green coffee bean extract.

    • We recommend consumers always check with a licensed physician and pharmacist before taking any nutritional supplements, especially for people with medical conditions or who are taking medications.

  7. If you have taken Pure Green Coffee Been Extract and want to stop the diet: Have you checked out what happens when you stop eating Pure Green Coffee been extract? Will you gain weight?

    For how long had the participants in dr. J.Vinson’s research takeen the Pure Green Coffee Been Extract when they reported to him?

    Looking forward to hearing from you :-)

  8. After finishing the green coffee bean extract will you gain your weight back plus more? My mom is convinced that like some acne creams, when you stop using this product your weight gain will be worse than it was before taking the green coffee bean extract.

  9. I’d like to also ask if weight gain followed after the supplement was stopped.

    • I don’t know if there is research to answer this precisely, however, there may be other good reasons to continue taking a quality green coffee supplement like Perfect Green Coffee in addition to weight loss. Dr. Vinson did a followup study which led him to suggest green coffee/chlorogenic acid may have potential to help prevent Type 2 diabetes. More research is needed, of course, but we hear more and more information about the potential health benefits of controlling blood sugar for a variety of reasons. As stated, more research is needed.

  10. I suffer from migraines if i take the green coffee extract will my migraine be severe in pain since it has caffeine in them. Thanks in advance

    • Perfect Green Coffee has only tiny amounts of caffeine…about 8 mg per capsule. To put this in perspective a typical cup of coffee has about 150 mg of caffeine

  11. Hi…im on medication for some hormonal inbalance..can i use dis product

    • Medical questions like this must be directed to your doctor and pharmacist. Thanks for visiting HealthFoodPost.com

  12. Can I take green coffee bean extract, acai with green tea 1500mgand African mango 2000mg together is it safe to use them all on a daily basis

    • We have never heard of anything negative interaction among these products. In fact, Perfect Supplements offers a Slim Down Trio which sells the Perfect Green Coffee and Perfect African Mango together, to be taken together.

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