Sunday, June 03, 2012

Glycemic Coffee

By David Mendosa, Health Guide Sunday, December 23, 2007
Ever since I discovered the glycemic index a dozen years ago, I thought that I knew that anything we eat or drink has to have calories for it to raise our blood glucose levels. In fact, those calories have to come from carbohydrates – not protein or fat – to give those levels much of a sp...
How Eating Can Make You Hungry
Gretchen Becker, Health Guide
12/24/07 9:02am

I think coffee triggers the release of adrenaline, which is a counterregulatory hormone and increases insulin resistance. This is what causes "coffee jitters" in some people.

 

As a result of the adrenaline, the liver pumps some glucose into the blood, and this is one reason we get a "lift" from coffee.

 

Note that the research said that coffee elevates BGs when taken "before a high-carb meal." Another obvious solution is to stop eating high-carb meals. 

Gretchen Becker, Health Guide
12/24/07 9:08am

I've been seeking a substitute for coffee since the 1970s, when I was drinking about 16 cups a day, which didn't seem to keep me from getting diabetes.

 

I haven't found anything that works for me. Tea is insipid, and who knows how safe a lot of the herbal teas are. I had two friends who were into herbal teas, and they both died of cancer. Doesn't prove anything, but there's no control over the ingredients in herbal teas, many of which contain ingredients designed for short-term use in illness, not for everyday drinking.

 

Coffee and regular tea, on the other hand, have been used for centuries.

 

One drink that I sometimes tolerate is ginger: Add a slice of fresh ginger to boiling water and steep. Good with a little added lime juice too.

 

But coffee also has oils that give a smoothness to the drink. I tried adding a bit of hazelnut oil to the ginger tea, and this was nice.

 

But I always find myself going back to the coffee. It's good both hot and cold and I like its "bite" 

12/26/07 12:48pm

Gretchen, have you ever tried  soluble Chicory made by Leroux in  France?

Verdungal

Gretchen Becker, Health Guide
12/26/07 2:27pm
No. I drink my coffee black, no sweetener, so I've always found the coffee substitutes to be vile. Also don't like decaf.
12/26/07 8:17am

I've read a few posts recently where PWD have said that their blood sugar goes up when they drink black coffee with nothing in it in the morning. I have noticed the same thing for sometime now and I recently switched to decaf just to see if it would have any effect on my blood pressure. My blood pressure didn't changed but my blood sugar still goes up. Maybe it also has something to do with the "dawn phenomenon," since in most cases coffee is consumed in the morning.

 

My solution has been to take a 2 unit combo bolus 70:30 over a 2 hr period in the morning while I drink my coffee, read the newspaper, check my email, and watch the early AM business news. It works for me.

 

Florian (Type 1, dx 1967)

Animas 2020 + Apidra

David Mendosa, Health Guide
12/26/07 10:09am

Dear Florian,

 

Experimenting with decaf is a most interesting idea that the researchers don't seem to have gotten around to yet. Thanks for sharing your experience. 

Anonymous
elegiamore@mindspring.com
12/27/07 3:59pm

Mr. Mendosa,

 

So would you recommend switching to decaf?  We have already noticed that Dr. Atkins strongly cautioned use of coffee as an insulin increaser in his literature.

 

Is there any evidence that caffeine itself is the culprit - meaning that caffeine diet soda would have similar results?

 

Thanks for your thoughts.

 

Elegiamore 

David Mendosa, Health Guide
12/27/07 4:26pm

Dear Elegiamore,

 

Actually, no, I wouldn't recommend switching to decaf. The studies apparently did not consider decaf coffee. And one comment above indicates that one correspondent found that decaf didn't help. 

Anonymous
RCScherler
12/27/07 9:31pm
Did I understand this article right?  It's the caffeine in the coffee that causes the problem?  In that case, does drinking de-caf coffee eliminate the problem?
David Mendosa, Health Guide
12/27/07 10:28pm
Yes, that's what the researchers at Duke think. But they apparently did not compare the effects of regular and decaf coffee. And several people have commented that decaf coffee is the same effect.
Anonymous
Mark R
12/28/07 2:49am

I have been a Type 1 for 26 years, I wear a pump,and my A1C is 6.4. A few days ago I found out I have celiac. Given the fact that I have other complications from my diabetes, I will learn to live with celiac too. However, no way will I give up my coffee.

Anonymous
Barry C
12/29/07 11:02pm

Spooky timing.  Over the last 2 weeks I tested the effect of coffee on my blood sugars and in my case, I've seen a 10ish point across the board reduction in my readings.  Ordinarily I would consume decaf coffee after each meal.

 

I've been a low-carb dieter for many years and have been a bit frustrated that over the last year or so my morning numbers have been just over 100 (FYI:  I follow Dr. Bernstein's solution, which lowered my A1Cs from an all time high of 10 to the 4-5 range).  I've been blaming dawn phenomenon (cinnamon didn't help in my case).

 

For some reason this Holiday season, I wondered if coffee could be causing my slighted higher results.  I normally test more aggressively over the holidays, so I decided to eliminate coffee and see if it made a difference.  My recollection is that I started my coffee habit a year or so ago.  Prior to that I didn't drink coffee at all.  

 

After eliminating coffee, my fasting BG's are in the 90s and I'm under a 100 within 3 hours after eating with a peak typically under 130.  I've kept myself coffee-free for 2 weeks now so in my personal case I'm pretty convinced that coffee raises my BGs.  Even though I hate the idea, coffee is now off of the menu for me.

 

Any non-diabetics out there want to buy a nice espresso machine!  ;)

 

All the best, Barry C.

Type II, 1,500/day Metformin,

20-40 carbs/day

David Mendosa, Health Guide
12/29/07 11:28pm

Dear Barry,

 

Most interesting! You confirm several other comments that it is not the caffeine in coffee that causes the BG increase. But I had been wondering if it might have been operative only in the presence of a high carb level. That you were drinking decaf coffee on a low-carb diet blows that theory of mine out of the water! So even when you are on a low-carb diet and drink decaf coffee it will raise your BG! Thanks for sharing your story.

 

David 

Anonymous
Barry C
12/29/07 11:43pm

I had been drinking quite a bit of coffee (at least 8oz three times a day).  As I understand it, decaf is not completely free of caffeine, so perhaps the caffeine is to blame - don't know.

 

Do you know what the caffeined coffee drinkers in the study were compared to?  I noticed that the title of the study implicates caffeine.  How did the researchers make that conclusion?  Was the comparator group drinking decaf coffee?

David Mendosa, Health Guide
12/29/07 11:59pm

Barry,

 

Yes, I have the study before me. They compared a moderate dose of caffeine (500 mg/day) with a placebo control. Both groups got identical gelatin capsules. One had the caffeine plus a dextrose filler and the other had dextrose alone.

 

David 

Anonymous
Barry C
12/30/07 2:47pm

Thanks David.  I didn't realize that coffee wasn't a part of the study.  I doubt that my total caffeine intake approached 500mg/day.  There are so many variables it can be really hard to discern cause and effect.  Perhaps in my case cream and artifical sweetner played a role, or perhaps my BG's have been better during the past two weeeks because I've been on vacation with less stress.  Maybe I should keep the coffee and give up work!  :))

 

Best wishes for a healthy new year!

 

Barry C

Anonymous
Anonymous
8/ 2/08 11:58am

Hi Barry and David,

I found this thread while searching this morning for why I am so hungry after drinking my coffee. First, there is a decrease in hunger, I'm all pumped up and usually I go to the gym with all that energy. BUT, if I miss that sweet spot and linger too long at home, that feeling of wanting to move turns into hunger. I tried to not listen to the hunger, but it got louder and I finally relented and ate breakfast.

I have just started a low carb diet 15-20 carbs a day (and quite scientific about it; everything I eat is in a spreadsheet with its nutrient equivalents). Atkins does say to nix the coffee, but if indeed I DO need to do this (and please, I ask for both of your opinions on this), I will need to wean myself off.

AND at the same time, probably wean myself right on to decaf. Who can live without coffee? What else is there?

Thanks,

Diane Verderame

Anonymous
Anonymous
8/ 2/08 12:01pm

By the way, I am not a diabetic, but I have PCOS which does cause insulin resistance.

I have this wacky idea about getting one of those glucose monitors where you draw blood just to see what the heck is going on. What do you think?

Diane

David Mendosa, Health Guide
8/ 2/08 9:01pm

Dear Diane,

 

I think that would be a great idea. I know that PCOS and diabetes are very closely related.

 

David

1/ 2/08 4:29pm
I wouldn't be so quick to condemn coffee. The study has people drink coffee alone. I take coffee after I eat my first meal and my blood sugar is slightly lower than when I wake up, usually in the 70's, 80's of 90's. I think it is better to drink coffee once you are up and about, rather than the first thing. It may be different for each person, so you need to test yourself to see if your blood sugar actually goes up.
Anonymous
Chris van Z
1/ 3/08 7:54am
the remark that my Winglucograf software has shown me ever since I used it. Something like 'your average readings are lower during weekends'. Always wondered whether it was shopping for groceries (saturdays only), sleeping late (sat/sun) or just not working that helped me to better numbers on WE's. A typical weekend morning will have me take 2 cups on startup, and 2 after diner. A typical weekday (workday) will see me down a multitude... Will be doing some testing.
Anonymous
Eric
1/ 3/08 9:11am

I mean, as a diabetic, I've been told I have to fear everything I eat, everything I touch, everything within a 500ft. radius that may or may not affect my BG levels. Why should I worry about every little thing all the time?

 

While I agree that gorging on pizza & chili-cheese fries every day is certainly bad, am I going to run screaming into the night every time I down a couple of iced Cafe Americanos at my local coffee shop? Heck no! Life's too short to worry about every piddly 10 point spike in a BG reading.

 

We can spend all of our time afraid of food and drink, denying ourselves even a small moment of joy, or we sneak the occasional Hershey's Kiss, or enjoy our Cuppa Joe without fretting about it. 

 

Besides, one study is far from conclusive evidence anyway. I say it's hardly worth the bother. 

Anonymous
Damion
5/30/09 1:48am

Diabetes is not good for blood sugar person. It may effect him/ her badly resulting downfall in health day by day.

Damion

adult

Anonymous
Timothy
12/ 5/09 3:17pm

In my experience it was the cream , milk or other non dairy creamers that were added that raised bg level .Now I used unsweetened almond milk and stevia and or blue agave to my coffee and do not see any notable increase in bg level.

David Mendosa, Health Guide
12/ 5/09 3:53pm

Dear Timony,

 

You may have been right about the additives to your coffee that were causing your BG spikes. Unsweetened almond milk and stevia are great choices that I use myself (albeit not for coffee, which I like black). But agave is one of the worst possible sweeteners. It is practically more fructose. Please read "The Trouble with Fructose" at http://www.healthcentral.com/diabetes/c/17/16479/trouble-fructose/

 

Best regards,

 

David

Anonymous
Timothy
12/ 5/09 10:34pm

organic raw blue agave is a low glycemic sweetener with one ingredient only  organic amber agave  nectar .it is slowly absorbed into the body preventing spikes in blood sugar.

David Mendosa, Health Guide
12/ 5/09 10:41pm

Yes, Timothy, I know that. It's still poison. Did you check the article that I referred you to before?

 

David

Anonymous
Coffee Lover
5/29/10 9:11pm

All you coffee drinkers will be glad to know that there is now a coffee available that not only allows your insulin leavels to remain low but burns fat too!! It's 100% organic & you can learn more at: http://www.idrinkfatburningcoffee.com
They have a low glycemic sweetner that tastes WONDERFUL too! Hope this helps!

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By David Mendosa, Health Guide— Last Modified: 10/11/11, First Published: 12/23/07