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BTD Forums  /  Live Right 4 Your Type  /  potato lectins and thyroid?
Posted by: 552 (Guest), Friday, August 31, 2007, 8:17pm
my potato saga continues.....

I was feeling so great from the Deflect and all, that I decided to go "cold turkey" on the potatoes & make the switch to sweet potatoes, carrots, and squash for carbs all at once (being an O!).  Well, that didn't work.  I totally crashed: emotional wreck, all the color drained from my face, my period started right in the middle of my cycle, basal temps crashed.  Couldn't supplement enough to stay "up"; like a humongous adrenaline drain.

So my question is, could the potato lectin be inhibiting my thyroid to the point where it can keep up with demand?  I remember reading somewhere around here that lectins have an affinity for the thyroid.
If so, does it sound like I have a serious enough thyroid issue that I should probably get it checked out?
Posted by: Lola, Friday, August 31, 2007, 9:55pm; Reply: 1
give the beneficials and neutrals more time, and stay away from avoids causing unwanted inflammation.
keep up with deflect.
Posted by: 552 (Guest), Friday, August 31, 2007, 10:55pm; Reply: 2
I wasn't sure whether to post this question here or in "Encyclopedia".  After thinking about it, I decided my main question was about lectins and how they work.  Sorry for bringing in the personal stuff - that wasn't really appropriate in this area.  Where can I get more indepth info on the action of lectins?
Posted by: Lola, Friday, August 31, 2007, 11:11pm; Reply: 3
have you read any of the books?
they have plenty of info and also this whole site is full of articles on lectins.............
I advice you to use the search button on homepage.
Posted by: 552 (Guest), Saturday, September 1, 2007, 12:40am; Reply: 4
I've read ER4YT and LR4YT, but I gave them away a couple of years ago.   :B
Now all I have is CookR4YT.  I shall have to buy something.  *sigh*
Posted by: Lloyd, Saturday, September 1, 2007, 1:46am; Reply: 5
This may be a place to start reading.
Posted by: Ronagon (Guest), Saturday, September 1, 2007, 12:07pm; Reply: 6

I strongly recommend getting the BTD Encyclopedia.  It's a truly great book.  I now consult the other books occasionally, but the Encyclopedia is much more exhaustive.

As far as your fatigue issues go, you might also want to pick up a copy of Dr. D's "Fatigue" book.  Offhand, I would say that you might need to increase your intake of rare-cooked, lean red meats.

Beyond that, I also highly -- highly-- recommend supplementing with four things:

1) acetyl-L-carnitine (gives O's enormous vigor and energy
2) a teaspoon of walnut oil (I recommend the "Spectrum" brand, because it's not heavily processed with things like roasting)-- once in the morning, and at night
3) at the same time, half a teaspoon of flax oil -- once in the morning, and at night (at the same time you take the walnut oil)
4) after a few days of this (which should give you enormous energy), a daily allowance of "vitamin O", which is aerobic exercise, such as swimming, rope-jumping, or bicycle-riding.

The first thing invigorates and strengthens your heart.  The second and third thing, in conjunction, refortify and recondition your cellular membranes with the "parent essential oils" (omega-6 and omega-3) that, I've read elsewhere, act like an oxygen magnet for all your cells.  The fourth thing helps increase the amount of oxygen coming in, and helps to generally coordinate your heart and body oxygenation.  The overall effect should be one of significantly increased vigor and energy.  

Since adding this to my BTD, I've experienced a definite upswing in my energy and my metabolism, and a definite decrease in my fatigue and the time it takes me to re-energize from the day before.  I need a lot less sleep, too.

Finally, you should absolutely cut out the coffee entirely, and try to force a shift from starches to proteins, naturally-occurring oil and vegetables, which your body has pre-established energy pathways for deriving energy from.  
Posted by: ISA-MANUELA (Guest), Saturday, September 1, 2007, 4:54pm; Reply: 7
I don't think that it's the potatoe for the O's with thyroide probs, potatoes are merely as a nightshade the prob. so it's meant merely a trigger for inflamations as well (tissue ).....:-/
Posted by: CB, Monday, September 3, 2007, 11:30am; Reply: 8
Do you remember which blood type it was where the thyroid was impacted by the potato lectin.  Take care.  CB.
Posted by: ABJoe, Monday, September 3, 2007, 7:07pm; Reply: 9
According to Typebase, Potato lectin bothers both O and A blood types - It doesn't specify what organ is bothered by the lectin...
Posted by: KimonoKat, Monday, September 3, 2007, 8:29pm; Reply: 10
And I could have sworn that Dr. D mentioned, somewheres.... there are SOME O's that can handle potatoes with no difficulties, but that he wasn't able to determine how to identify them.

Does anyone else remember this? ??)
Posted by: Lloyd, Monday, September 3, 2007, 11:05pm; Reply: 11
I found nothing specific, here's most of what's easily searchable....

Quoted from hiedi
Hey there, Don! The potato lectin is a red flag ~ for all Os except secretors who have no inflammatory problems, no joint trouble, no extra weight, no other health difficulties at all related to diet. For those healthy folks, we say "it may be considered neutral" because that is the most practical way in which to communicate this seeming anomaly to the small percentage of Os who digest it without trouble ~ always secretors, and never those with the conditions listed above. This is a case in which the subtypes fully come into play in regard to reactivity -- further, even a good percentage of secretors cannot eat this food, and it is difficult to pin down the exact differences between them that makes this so. Potato lectin has a profoundly different effect for Os who do not fall into that group, thus its continuing "red flag" status. :-)
Quoted from Lecster5 database
Biological Activity: STA agglutinates group A erythrocytes at a titer of 1:64; group B erythrocytes at a titer of 1:128; group O erythrocytes at a titer of 1:256; by crude lectin preparation (16mg/ml). See: Int J Cancer (1970); 6:283 STA agglutinates bovine, sheep, horse, pig, cat, guinea pig, rat and mouse erythrocytes as well as human. See: Meth. Enzymol. 1978 (50); 307-345
Source Tissue: Tuber
Specificity: GlcNAc (oligomers): A major protein of the tuber is the chitin-binding lectin. STA binds to some glycoproteins (e.g. fetuin and ovomucoid)
Inhibitors: GlcNAc does not inhibit the agglutination of STA. See: Biochem J. 1973 (135); 307-314
References: Biochem J 1992 May 1;283 ( Pt 3) :813-21 J. Biol Chem 1982 (258); 2886-2891
Quoted from Ask Dr D
Lectins in barley, wheat, potato, rice, rye, tomatoes, and a number of legumes can agglutinate erythrocytes in humans of all blood types. Lectins can have effects resembling those of insulin on fat cells, hinder growth of cancer cells, induce clotting of blood plates and increase the secretion of histamine.

Then, there is also this goodie which is somewhat off topic but related.
Posted by: Lola, Monday, September 3, 2007, 11:41pm; Reply: 12
Quoted Text
Potato lectin bothers both O and A blood types - It doesn't specify what organ is bothered by the lectin...

'to each their own', applies here......everyone is different.
this is why it is a tier II avoid.......those who can, may take it, those who can t stay away! ;)
Posted by: KimonoKat, Tuesday, September 4, 2007, 1:31am; Reply: 13
Hi Lloyd.

It's not really that important.  I know it was something Dr. D specifically said. I remember it.  Either in a post on the old archived board, here, (where the thread may have been easily poofed after a time) or in the ASK or his blog.  
Posted by: jayneeo, Tuesday, September 4, 2007, 4:40pm; Reply: 14
Yes, KK, I remember that too. And have tried them....doesn't work for me.
Posted by: KimonoKat, Tuesday, September 4, 2007, 4:48pm; Reply: 15
Oh, if only there was a way to find out if an O could have potatoes or not without damaging their's a moot point for me since I tend to develop arthritis, and should't have them anyway.

Ah me.  ;) :K)
Posted by: Whimsical, Tuesday, September 4, 2007, 9:24pm; Reply: 16
Potatoes are a red flag avoid for Os (as per ER4YT) for weight loss, so perhaps the reason behind that is an effect on the thyroid, which is an important organ for regulating weight...
Posted by: Curious, Wednesday, September 5, 2007, 2:58am; Reply: 17
Hi Morelife,
You could also add seaweed to your diet. I had a borderline low thyroid function and added seaweed to my diet (I have a jar of seaweed near my spices and add it into almost anything, e.g. soups, rice, vegies). After I had done that for a few months, my thyroid was back in the normal range. Curious
Posted by: 348 (Guest), Monday, September 17, 2007, 6:07am; Reply: 18
As I am  eating a potato (something I haven't done in about two or three weeks) I literally feel my tummy filling up as a balloon filling up with air. I am not kidding here. With every bite my tummy becomes more rounded as though I were blowing air into a balloon. That's one dramatic immediate effect potato has on me. Very soon after my last bite, and sometimes before my last bite I feel tired and could instantly fall asleep.  If I could have potatos every night I'd put ambien and lunesta and the others out of business :)
Posted by: Lloyd, Monday, September 17, 2007, 10:15pm; Reply: 19

Potatos are clearly a no-no for O-non's. The only O's that might be able to handle them are secretors. They are best treated as avoids for all O's, except possibly those healthy secretors who are willing to experiment with them on occasion.
Posted by: Lola, Tuesday, September 18, 2007, 4:31am; Reply: 20
right, tier II avoids........
Posted by: 552 (Guest), Saturday, September 22, 2007, 8:34pm; Reply: 21
Well shucks, Diffy, I never had anything like that happen with potatoes.  Many other carbs will knock me out & bloat me up, but not potatoes.  Maybe I am one of those oddball secretors......
Still, they ARE a metabolic inhibitor.  I've been doing some experimenting, and whatever their effect on the thyroid, it was still my adrenals causing problems.  I think the potatoes were inhibiting metabolism down to where my cortisol levels could keep up.  (Or are they increasing inflammation, and hence cortisol???)Anyway, I've increased my adrenal supplements & can now substitute squash & sweet potatoes at least one meal a day. And increased my carbs ever so slightly & I feel much stronger.  (note: my insulin & triglycerides usually run way too low; nonnies probably shouldn't try this!)  I'll get there eventually.  With a month on Polyflora & Deflect I'm really feeling stronger & better. But us O's want everything done yesterday! LOL!
I got the idea that the potato lectin might cause trouble with the thyroid because I did a search for "lectins thyroid" and there were several posts that suggested that thyroid tissue is especially sensitive to lectins.
Ron-O-non: I did go ahead and buy the Encyclo. A lot of good info in there. The protocols in the back are different from on the website, but I'm assuming the website ones are the most up-to-date. I've started a regular exercise program since my original post, and I really do feel better.  I've tried acetyl-l carnitine but - how do I say this? - it made me feel somehow too masculine.  Weird I know - maybe the dose was too high. I don't know about walnut oil, I thought that was a nonnie thing, but I've been more consistent w/ flax oil & it does seem to help.  Thanks for the suggestions!
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