Mary
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Every day I see posts by people who suddenly feel much worse since starting B12 or folate. Way too many people aren't aware that starting methylation supplements can cause a sudden and even potentially dangerous drop in potassium levels, as cells start to divide more rapidly, thus increasing the need for potassium and inducing a deficiency. I've replied to many of these threads and finally decided to do this one, hopefully it will reach more people. I'm going to try bumping it every day because every day there are more people who don't know about this.
EVEN IF YOUR BLOOD LEVELS OF POTASSIUM ARE FINE, YOU CAN STILL HAVE SYMPTOMS OF LOW POTASSIUM. People with ME/CFS seem to have difficulty getting enough potassium into the cells, even though blood levels are in the normal range. See the thread linked below by Richvank who explains this.
So, if you're going to take B12 and/or folate, read the threads linked below - they are very important. Low potassium can cause a myriad of symptoms: fatigue (often severe), muscle cramps, spasms, cardiac symptoms (arrhythmia and palpitations), and even mental/emotional symptoms. (http://emedicine.medscape.com/article/242008-overview)
http://forums.phoenixrising.me/index.php?threads/active-b12-protocol-basics.10138/
http://forums.phoenixrising.me/index.php?threads/warning-low-potassium-is-dangerous.14410/
http://forums.phoenixrising.me/inde...ded-in-methylation-treatmt.18670/#post-291410
My experience with low potassium: I had been taking B12 for years and years but 6 or 7 years ago started taking methylfolate. Initially it gave me nice burst of energy, but within 2 or 3 days I developed severe fatigue, different than PEM. Fortunately I had read some of Freddd's posts about potassium and methylation and so immediately started taking potassium, titrating up to 1000 mg a day, in divided doses, over a couple of days, and the symptoms abated. I thereafter learned I had to take this every day and have ever since. I also drink low-sodium V8 which is high in potassium and low in sugar and calories. I even take 200 mg before bed as I am prone to low potassium in the middle of the night (leg and feet cramps). It was also very illuminating when I realized I had had these symptoms off and on before starting the methylfolate, but never knew the cause.
The daily RDA for potassium is 4500 mg, but I think that's the minimum. So if you suspect you may have low potassium, a simple thing to try is high potassium foods like low-sodium V8. I'd try several glasses a day and see if you feel better, and if you do, then you might consider a supplement or work out a way to get enough potassium in your diet. I initially took potassium citrate but it irritated my bladder and contributed to a UTI. I switched to potassium gluconate and tolerate it just fine.
EVEN IF YOUR BLOOD LEVELS OF POTASSIUM ARE FINE, YOU CAN STILL HAVE SYMPTOMS OF LOW POTASSIUM. People with ME/CFS seem to have difficulty getting enough potassium into the cells, even though blood levels are in the normal range. See the thread linked below by Richvank who explains this.
So, if you're going to take B12 and/or folate, read the threads linked below - they are very important. Low potassium can cause a myriad of symptoms: fatigue (often severe), muscle cramps, spasms, cardiac symptoms (arrhythmia and palpitations), and even mental/emotional symptoms. (http://emedicine.medscape.com/article/242008-overview)
http://forums.phoenixrising.me/index.php?threads/active-b12-protocol-basics.10138/
http://forums.phoenixrising.me/index.php?threads/warning-low-potassium-is-dangerous.14410/
http://forums.phoenixrising.me/inde...ded-in-methylation-treatmt.18670/#post-291410
My experience with low potassium: I had been taking B12 for years and years but 6 or 7 years ago started taking methylfolate. Initially it gave me nice burst of energy, but within 2 or 3 days I developed severe fatigue, different than PEM. Fortunately I had read some of Freddd's posts about potassium and methylation and so immediately started taking potassium, titrating up to 1000 mg a day, in divided doses, over a couple of days, and the symptoms abated. I thereafter learned I had to take this every day and have ever since. I also drink low-sodium V8 which is high in potassium and low in sugar and calories. I even take 200 mg before bed as I am prone to low potassium in the middle of the night (leg and feet cramps). It was also very illuminating when I realized I had had these symptoms off and on before starting the methylfolate, but never knew the cause.
The daily RDA for potassium is 4500 mg, but I think that's the minimum. So if you suspect you may have low potassium, a simple thing to try is high potassium foods like low-sodium V8. I'd try several glasses a day and see if you feel better, and if you do, then you might consider a supplement or work out a way to get enough potassium in your diet. I initially took potassium citrate but it irritated my bladder and contributed to a UTI. I switched to potassium gluconate and tolerate it just fine.