how do i know what is a normal blood sugar level?
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Whenever I workout, there are times that I as I am finishing up I get light headed. I have occasionally checked my glucose level right after to see how low it is but is there an actual chart that shows a range of where a person should be?

I have tried the warming up & the cooling down while I do cardio and that usually controls it, but when I am lifting I am not sure what to do.

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If you are not diabetic a normal range is from 70 to 120- the range changes a bit if you are type 2 diabetic, and I am going to assume that you are not type 1 because you would be clear on where you needed to be with that if you were

If you can feel yourself getting weak and light headed at the end of the workout, you are most likely low on energy/calories. Sometimes if you do not get enough complex carbs or other calories before a tough workout, your blood sugar will bottom out. I personally know when mine gets low because I can feel my entire body changing- to include my mental state. If this is an ongoing issue even after eating a good diet and ensuring that you are not working out on an empty stomach, you may want to see a doctor. Another idea- I am not big on sports drinks because of the sugar, but it may not be a bad idea to take a swig of some gatorade or something along that line in the middle of your workout to replace your electrolytes and increase your sugar a bit. Again- I'm not a doc or a dietition, but I have worked with people who deal with this on a regular basis. Can I ask why you are checking your blood sugar? Did your doc tell you to do that?
Keep rockin'

Liz Mathie 7.2k
4 years ago
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Definitely consult your doctor first. What I've done with clients that have problems with low blood sugar is keep some hard candy or juice boxes on hand. If they dip low, I'll have them get some sugar in quickly.

Jeff Bissonnette 540
4 years ago
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Ditto Jeff and Liz recommendation to consult your doctor.

I'm type 2 diabetic but insulin requiring and on a pump. It took some tweaking, with the aid of my care team, to overcome low blood sugar from activity.

I have found in my own case that I can be within a "normal" range but still have symptoms. It seems that how fast I'm dropping even if I'm still in a normal range is a factor. Rapid drop translates to excessive sweating, nervousness and disorientation.

mod518 44k
4 years ago
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Wow- you don't meet many people who are type 2 and insulin dependent! Type 2 is usually always people who are insulin resistant- so they make insulin but their fat cells don't except it because it can't cling to the cell- so you are type 2 and on a pump?! interesting- love the info! Keep up the great work- all of you

Liz Mathie 7.2k
4 years ago
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Liz - I asked my dr for monitoring device b/c it was suggested by a nurse practioner whom I workout with. SHe thought it would be a good idea. Only problem is that I really don't know what a good range is & as of now I won't be able to get those answers from my dr for another 3 wks. I was having the light headed & dizzy feeling during & after so that is why we decided to monitor it.

I had an issue today about an 1 1/2 hr after doing circuit training for about 20 minutes. My workout was about an hr after my lunch which consisted of 5 oz tilapia, 1/2 cup brown rice, and a cup of broccoli with a very berry hibiscus drink with fresh berries that I made from home (Starbucks had a packet you can add water to).

I got very anxious and nausea set in & I just felt like I was gonna pass out. After about 3 peanut butter sandwich crackers I felt better within a few minutes. By the time I got home I checked my sugar & it was 130 after the crackers. I wish I could have checked it before to see where it was.

Steph2230 3.1k
4 years ago
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I dealth with hypoglycemia for years before I ended up diabetic. (Not to say the two are related just to say... been their done that)

Everything you describe sounds like classic hypoglycemia symptoms. A reading of 130 is in the normal range for a post meal reading. It sounds like you checked after you got home. I'm betting that had you checked while you were still at AF and having symptoms, you would be in a range of 70 or below.

A half cup of rice has only about 22 grams of carbohydrate. I'd be interested to know your total daily carbohydrate intake. If you are short changing yourself on carbohydrates overall and going into an intense workout with only 22 grams of carbohydrates, that could lead to hypoglycemia especially of you are "pre-programmed" to lean that way.

The problem with eating the PB crackers is you could be bringing in some unwanted fat into the equation. And undermining your overall weight loss goals. Just a suggestion to think about till you can discuss it with your doctor is to pick up a pack of glucose in the diabetic section of your pharmacy or grocery store. Look for Dex Brand. Each tablet contains 5 grams of carbohydrate but no fat. The usual treatment is 3 tablets. Wait 15 minutes and if the symptoms have not subsided treat again with another 3 tablets. Because it's in a very pure form, it gets into your system quickly to relieve the symptoms with the added benefit of not having the fat you would get with a candy bar or the PB crackers.

Your doctor will still be the best guide but maybe those tricks might help you get through the next 3 weeks.

I hope this is of help. I know it's a pain to deal with.

mod518 44k
4 years ago
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All together today I had 53% carbs

Breakfast was 60 grams in which I went to ATF about an 90 min later for a 40 min treadmill burning around 200 calories

Ate lunch that had 71 grams of carbs about & waited 45 min to do circuit training. It was about 2 hrs later that I started feeling horrible. The crackers I wouldn't normally eat but I was driving home & my son had them in his backpack so I was disparate before I got home.

I thought I was doing good on my food/exercise but I found my stomach growling so maybe I need to eat more too. I don't normally snack between meals.

I wish there was a way that people can read your activity to better evaluate it all. I plan to take this with me when I see my dr.

Steph2230 3.1k
4 years ago
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I have taken in all suggestions. I appreciate it all. So confusing when you are unaware of what your body is telling you!

Today I am going to ck my sugar right before I workout. I bought a new protein bar that has 20 grams. I plan on eating half before & half after to see how I feel then.

Steph2230 3.1k
4 years ago
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Hello. When you exercise you burn blood sugar. Sugar is energy. When you exercise intense you burn more sugar. When you consume all (or most of) sugar it is natural that the value in your blood will drop. Sometimes it can drop too low. This does not mean that you're diabetic. See this diabetic and non diabetic blood sugar levels chart for more information.

Blood sugar levels chart for non-diabetics (goal blood sugar levels)
less than 110 mg/dL or 6 mmol/L on an empty stomach -- normal value
between 110 mg/dL or 6.1 mmol/L and 125 mg/dL or 6.9 mmol/L on an empty stomach -- limit value
more than 125 mg/dL or 7.0 mmol/L on an empty stomach -- possible diabetes
more than 198 mg/dL or 11.0 mmol/L anytime -- possible diabetes

Blood sugar levels chart for diabetics (goal blood sugar levels)
Before breakfast (fasting) 70 – 130 mg/dL or 3.9 – 7.2 mmol/L
Before lunch, supper and snack 70 – 130 mg/dL or 3.9 – 7.2 mmol/L
Two hours after meals less than 180 mg/dL or less than 10mmol/L
Bedtime 90 – 150 mg/dL or 5 – 8.3 mmol/L
A1C (also called glycosylated hemoglobin A1c, HbA1c or glycohemoglobin A1c) less than 7%

Hope it helps.

jzbob81 125
12 months ago

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Steph2230 member since Nov '11

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1/15/2013 at 1:28 PM