Blood sugars low after exercise.

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Blood sugars low after exercise.


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Old 01-30-2013, 17:44   #1
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Default Blood sugars low after exercise.

Hello me again with another question, this time around its about my sugars, i am type 2 diabetic and after a good half hour aerobic execise on the stationary bike in which i built up quite a sweat, i checked my blood sugars and they went down to 3.5 mmol/L, after another hour they climbed back up to 5.0 mmol/L, my question is, am i in danger of going hypo if i work too hard burning off blood sugars, i am in a very physical job and don't want to have to worry about passing out if i start building up a sweat, i am hoping that this is the lowest that my body will allow the blood glucose levels to go.

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Old 01-30-2013, 17:53   #2
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The risk for hypos depends on what meds you're on. So please share!

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Old 01-30-2013, 18:15   #3
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Sorry about that, here they are on my new signature.

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Old 01-30-2013, 19:32   #4
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I'd like to know this, too! My fuel seems to be all protein since I'm on the VLCHF diet... 70-20-10. I'm on Metformin. But, it seems when I exercise, I have to increase the protein so much higher to avoid lows.... As low as the 40s. Not good. I thought on this diet the glucose would come from fat... Which I still need to burn. (25 more pounds to go). Confusing. I wish I understood how all of this worked.

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Old 01-30-2013, 22:05   #5
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Your liver should kick in glucose if your number gets too low and you aren't on insulin or meds that artificially produce more insulin. It *should* be impossible to go hypo in that case. Now I see you're very low carb, I guess your liver is out of easily accessible glucose! I would eat some fat and protein before exercising, and if you exercise all day, make sure you eat regularly during the day.

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Old 01-30-2013, 22:46   #6
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I had an episode where I was 101 (5.6) before I started exercising, and then 15 minutes later, I was at 61 (3.3). I didn't have anything with me to eat, so I walked back to work (another 15 minutes) and tested again. My liver had responded with a glucose dump so that I was now up to 104 (5.6).

I'm not on meds, though, so I wasn't really worried. The lowest I usually go (from reactive hypoglycemia) is 60-70, and eating a cheese stick or peanut butter fixes that.

I'll defer to people who take Metformin to comment on Metformin.

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Old 01-30-2013, 22:54   #7
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I am medication free (T2) and I can get high spikes (~180) then nasty lows (~40) after intense exercise which take hours to recover from. It pretty much knocks me out and puts me in bed. This has been an issue for me for over 15 years.

I have ended up changing my workouts to accommodate this since even changing up my diet and getting great BG control hasn't made it go away. I used to play competitive tennis and enjoy running (~5 miles/day). Now I stick to walking and high weight/low-rep weight lifting sessions (max 20 minutes 2x week). I also take about 3-6 g of pure glucose immediately before a workout which may help or I may just be kidding myself.

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Old 01-31-2013, 01:30   #8
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Yes i will try to add some protein before i work out, i actually bought a herbal nutritional shake today called Vega one, seems to be diabetic friendly, hoping it gives me what i need to continue exercise regime, i also updated sig to include Chromium. Next workout i have is with heavy weights, i will update my sugars if they continue to fall. Hopefully not though.

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Old 01-31-2013, 08:49   #9
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I wouldn't worry at 3.5 mmol/L (63 mg/dl). It cannot be really classified as a low and since YMMV rules the world, so you are that much of a teeny weeny bit different than the rest. Cheers.

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Old 01-31-2013, 14:20   #10
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If not interested in ketosis carb it up a bit before working out. I too fall in the low 60's after working. Cashews are a good choice, they do have some carbs but are slow to digest, going to give em a try myself next go round.

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