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vitamin c causing fatigue?

Answered on August 28, 2017
Created April 11, 2013 at 6:38 PM

I'm having a weird experience with vitamin c, which took me about a week to put together because it coincided with restarting the paleo diet(I was eating paleo for about two months, quit for a month and restarted about a week ago). I was fatigued for the first five days, normal of course, but then noticed when I forgot to take vitamin c on the sixth day(I began taking 6g of vitamin c the same day I restarted paleo), I had tons of energy. I decided to experiment so I took vitamin c the next morning and felt fatigued until about lunch time and then eliminated vitamin c for the rest of the day and felt great. I haven't taken any today and so far feel great. I know you can take as much vitamin c as your body can tolerate, which could be a lot if you're ill, and I'm not anywhere near bowel tolerance so I'm very confused as to why I would feel fatigued. And does this mean I'm deficient in vitamin c? The reason I'm taking vitamin c is for a supposed adrenal problem. Sometimes I wonder. In any case, I don't really mind not taking it if I feel good without it.

3d58b5fb4f9780e2f47d4dcc53338a5a

(2771)

on June 01, 2013
at 01:25 PM

I had to dig around to find the information I read years ago. It has to do with GLUT receptors in the cell. http://en.wikipedia.org/wiki/GLUT1 There's also some off handed anecdotal references in other articles. http://www.fasebj.org/content/19/12/1657.full http://innatebodybootcamp.com/vitamin-c-insulin-and-why-tigers-dont-get-scurvy/ http://www.jacn.org/content/17/2/105.full http://ajpheart.physiology.org/content/290/1/H137.full And even though this isn't about sugar, here's an interesting thesis:http://high-fat-nutrition.blogspot.com/2010/02/ok-ascorbate-and-lpa.html

Medium avatar

(1087)

on June 01, 2013
at 02:05 AM

Have yet to get my gf to try it, but I think it could be beneficial since her food variance isn't that great. One day I'll get her to try it. Also, I"ve heard better reports on transdermally, but I have no real idea.

194d8e8140425057fe06202e1e5822a7

(3979)

on June 01, 2013
at 02:01 AM

That's quite a glowing report on the effects of magnesium!! I certainly feel a great psychological/physical benefit (much like a body "buzz") after a 30 minute bath in Dead Sea salts. I wonder what's more effective--taking magnesium orally or transdermally?

194d8e8140425057fe06202e1e5822a7

(3979)

on June 01, 2013
at 01:37 AM

Not that I doubt you, but do you have any sources to back up those claims?

D19a16cf4fdc28fcc6613833e8006882

(10)

on April 12, 2013
at 11:21 PM

Yeah, this slightly worries me. The fatigue was only getting worse making it tough to get through work otherwise I might I try to stick through it longer and see what happens.

33266cca338ab54cee9a2aa160f5bdb6

(502)

on April 12, 2013
at 06:41 AM

Maybe it's helping your body kill some pathogens? That could possibly cause some fatigue when they die.

Ce41c230e8c2a4295db31aec3ef4b2ab

(32556)

on April 11, 2013
at 07:33 PM

Interesting! I will stop taking mine and see what happens. I started taking C again recently, since I was avoiding a lot of fruit & veg due to FODMAPS-intolerance & I have also been noticing some unusual fatigue.

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8 Answers

1
Medium avatar

on May 31, 2013
at 08:17 PM

I found this article interesting. Maybe it will be helpful to you. :) I think it suggests that fatigue from vitamin C is sometimes because your magnesium levels* are low.

http://www.paleoforwomen.com/one-week-after-the-magnesium-miracle-camg-balance-epsom-salts-what-happened-to-me-and-how-am-i-doing/

194d8e8140425057fe06202e1e5822a7

(3979)

on June 01, 2013
at 02:01 AM

That's quite a glowing report on the effects of magnesium!! I certainly feel a great psychological/physical benefit (much like a body "buzz") after a 30 minute bath in Dead Sea salts. I wonder what's more effective--taking magnesium orally or transdermally?

Medium avatar

(1087)

on June 01, 2013
at 02:05 AM

Have yet to get my gf to try it, but I think it could be beneficial since her food variance isn't that great. One day I'll get her to try it. Also, I"ve heard better reports on transdermally, but I have no real idea.

1
5583b82f29a6b24264ca4b9836abd925

(251)

on May 31, 2013
at 06:49 PM

Vitamin C, if not needed, can actually cause fatigue. Are you thinking that you specifically need the extra supplement? Your body is working harder to process the C and too much of anything can be a bad thing. I have adrenal fatigue myself and since eating Paleo, I don't need ANY vitamin supplements because I'm getting plenty from the fruits and veggies that I'm eating.This may be your case? If you suffer from adrenal fatigue as well, you body is very easily affected by EVERYTHING and it will let you know if you need or don't need something.

0
876f1dd22cb909967a3ec4f8c1b0da4d

on August 28, 2017
at 09:21 AM

Vitamin C, also known as L-ascorbic acid, is a water-soluble vitamin that is naturally present in some foods and available as a dietary supplement. Unlike animals, humans must get this vitamin from food and other sources. Good sources of vitamin C are fresh fruits and vegetables, especially citrus fruits. The appropriate amount of Vitamin C in body is healthy but the excess of this vitamin may cause some problems such as;

Flushing or redness of skin

Headache

Nausea or vomiting

Stomach cramps

Dizziness or faintness

Diarrhea

There are other side effects of over dose of vitamin C which includes Renal side effects have included oxalate and urate kidney stones, Migraine headache with daily dose. Thus, the amount of vitamin C must be moderate in our body to function well.

0
876f1dd22cb909967a3ec4f8c1b0da4d

on August 28, 2017
at 04:30 AM

Vitamin C is used in many different ways by our body. It has various benefits for our body. Skin cells, blood vessels, ligaments are formed by vitamin C. For repairing and maintaining teeth and bones body needs vitamin C. It is also helpful in preventing cancer as it blocks the damage that is made by free radicals such as cigarette , smoke, air pollution and direct rays from sun. It shortens the amount of time a person is sick . There are a number of sources from which vitamin C can be easily obtained. Citrus fruits , kiwi , mango , papayas, strawberries, raspberries, blueberries , watermelon, red and green pepper, spinach, cabbage, cauliflower etc are the main sources of this vitamin. If somebody is feeling fatigue by intaking the vitamin C then person can change the amount of its intake. According to your problem a high amount of vitamin C is not suitable to your body. Less amount of vitamin C can give its so many benefits as well as there will be a level of freshness in person also. Also person can change his/her diet based upon their body requirement to keep body less fatigue. May be this will help you. Good luck

0
Medium avatar

on May 09, 2017
at 10:47 PM

I have the same issue. I was taking 2000-4000mg of Ester-C (calcium ascorbate) for about 6 weeks and I stopped because I had kidney/flank pain. Recently I was at a conference and they were giving away lyposomal vitamin C samples (1000mg). I had the sample three times and each time I was completely exhausted. These samples were the only factor that could have caused this type of exhaustion because nothing else was different. 

My husband bought AOR Fast-C, which is apparently more gentle and faster absorbing than regular vitamin C (it seems simillar to the lyposomal type but in pill form). I had the same reaction from one 500 mg pill and was out cold for a few hours. Interestingly, the Ester-C that I was originally taking did not make me tired. 

I can't seem to find any good evidence re: this issue so if anyone has found any solid data or resources, please share! Thank you!

0
Ca2494664394ce45b9b2a8b2e1bf5a7a

on November 19, 2013
at 11:45 PM

This is amazing. I, too, have had a lot of trouble trying to heal my adrenals with the use of Vitamin C. It just absolutely knocks me out---at least, the form in Camu Camu powder does. I recently had my levels checked and I'm actually fine in terms of Vitamin C. I still have quite a bit of fatigue though, and my periods are erratic, but I'm seeing that supplementing with C may not be the way to go. Thanks so so so much for posting! Everyone, including my naturopath, was looking at me like I had two heads for having this reaction to the C. For more Paleo Diet hacks: http://paleohacks.com/questions/202200/vitamin-c-causing-fatigue.html#ixzz2l8cacnvL

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0
Ca2494664394ce45b9b2a8b2e1bf5a7a

on November 19, 2013
at 11:45 PM

This is amazing. I, too, have had a lot of trouble trying to heal my adrenals with the use of Vitamin C. It just absolutely knocks me out---at least, the form in Camu Camu powder does. I recently had my levels checked and I'm actually fine in terms of Vitamin C. I still have quite a bit of fatigue though, and my periods are erratic, but I'm seeing that supplementing with C may not be the way to go. Thanks so so so much for posting! Everyone, including my naturopath, was looking at me like I had two heads for having this reaction to the C.

0
3d58b5fb4f9780e2f47d4dcc53338a5a

(2771)

on May 31, 2013
at 07:31 PM

I've heard that Vitamin C competes for space with glucose in the cells. I think it's due to the molecular structure or some kind of chemical similarities that help them bind to the same types of receptors. I read that the less sugar you have in your system, the less Vitamin C you need (which is, I guess, how the Inuit survive without eating lemons). You might be overcompensating and blocking normal glucose absorption in this case, but that's a guess.

194d8e8140425057fe06202e1e5822a7

(3979)

on June 01, 2013
at 01:37 AM

Not that I doubt you, but do you have any sources to back up those claims?

3d58b5fb4f9780e2f47d4dcc53338a5a

(2771)

on June 01, 2013
at 01:25 PM

I had to dig around to find the information I read years ago. It has to do with GLUT receptors in the cell. http://en.wikipedia.org/wiki/GLUT1 There's also some off handed anecdotal references in other articles. http://www.fasebj.org/content/19/12/1657.full http://innatebodybootcamp.com/vitamin-c-insulin-and-why-tigers-dont-get-scurvy/ http://www.jacn.org/content/17/2/105.full http://ajpheart.physiology.org/content/290/1/H137.full And even though this isn't about sugar, here's an interesting thesis:http://high-fat-nutrition.blogspot.com/2010/02/ok-ascorbate-and-lpa.html

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