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Old 02-24-2010, 11:14 AM
 
Location: Everybody is going to hurt you, you just gotta find the ones worth suffering for-B Marley
9,506 posts, read 18,152,337 times
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Quote:
Originally Posted by pitt_transplant View Post
Well the formula is based on % of the needs of a 2000 calorie diet. So you could customize that to your personal calorie needs if its extremely different than that. But if you read the nutritional info you will see that 1 cup(128g) of carrots have 21383IU or 428% of a 2000 calorie diet need. So a cup of carrots is good enough for 4 days of vitamin A
My eyes! MY EYEEEES! They glaze over everytime I have to look at numbers. LOL I breezed through most subjects in school but math traumatized me. Ok, seriously, with that news, I'm seriously o/d'ing on carrot juice.
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Old 02-24-2010, 12:13 PM
 
19,215 posts, read 13,422,724 times
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Quote:
Originally Posted by coyoteskye View Post
Well, Vitamin A is a fat soluble vitamin ... if too much is taken, the body stores it which can be problematic.
Vitamin A & Carotenes - Ask the DietitianĀ®
That link (which i just glanced at) will address these concerns.
I'm not sure if the Vitamin A found in veggies (like carrots which have a huge amount) is a danger if too much is taken.
Fat soluble vitamin supplements are definitely not something to take too much of but from a food source, i'm not sure.
But i think that if your skin is already yellowing, it's an indication that your body is storing it? and this may be an issue.
I'm suspecting that yes, you love the taste, but you also love the sugar in the carrot juice?
Wrong!

Your body will only convert beta carotene to vitamin A in amounts your body can use.

For a good tan, try canthaxanthin with copper with tyrosine with overdose-niacin.
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Old 02-24-2010, 12:19 PM
 
Location: Santa Cruz, CA
2,903 posts, read 11,662,535 times
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Quote:
Originally Posted by ergohead View Post
Wrong!

Your body will only convert beta carotene to vitamin A in amounts your body can use.

For a good tan, try canthaxanthin with copper with tyrosine with overdose-niacin.
I think my post, if you read it carefully, acknowledged that i wasn't really clear about the issue.
So "Wrong!" is a bit strong.
I said nothing emphatically / with certainty except for that fat soluble vitamin supplements can be problematic if too much is taken.
I do think that is correct.
And is someone interested in a tan?
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Old 02-24-2010, 12:37 PM
 
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Quote:
Originally Posted by coyoteskye View Post
I think my post, if you read it carefully, acknowledged that i wasn't really clear about the issue.
So "Wrong!" is a bit strong.
I said nothing emphatically / with certainty except for that fat soluble vitamin supplements can be problematic if too much is taken.
I do think that is correct.
And is someone interested in a tan?
Carrots have no fat soluble vitamins.

And yes, someone did mention a carrot tan.
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Old 02-24-2010, 12:59 PM
 
8,415 posts, read 36,089,612 times
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Quote:
Originally Posted by ergohead View Post
Wrong!

Your body will only convert beta carotene to vitamin A in amounts your body can use.

For a good tan, try canthaxanthin with copper with tyrosine with overdose-niacin.
If this was true there would not be toxcity info out there.

While the strait ready vitamin A (retinol) does have more dangers the beta c would not turn your skin any color if it was fully flushed out. If your body can not process what it needs to out of the liver then it comes out of other areas like the skin.Thats carotenes trying to come out. If you do have high levels of vitamin a the body will convert less of the beta c but it can still build up to an unhealthy level because it takes time to flush out.
Vitamin A and Bone Health

The reason it can be a problem is because not everything you eat is beta c. So if you are getting vitamin A (retinol) from pills or other food sources you will end up with a toxicty issue because you did not give your body "flex room" so to speak to deal with extra. That bucket is full!

_________

Sorry about the #s WB! LOL

Basically 2 cups a carrots a week should be just enough.

____________________

ergohead:

Vitamin A is a fat soluble vitamin:
http://en.wikipedia.org/wiki/Vitamin

Both that and beta c are stored in the liver.
http://www.niams.nih.gov/Health_Info.../vitamin_a.asp
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Old 02-24-2010, 02:07 PM
 
Location: Santa Cruz, CA
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Quote:
Originally Posted by ergohead View Post
Carrots have no fat soluble vitamins.

And yes, someone did mention a carrot tan.
Just so i understand ... the kind of Vitamin A found in carrots (beta carotene?) is not a fat soluble vitamin but the other vitamin A (i don't know what it's called) is fat soluble?
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Old 02-24-2010, 02:17 PM
 
8,415 posts, read 36,089,612 times
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They are both stored in the liver and fat based.

HowStuffWorks "Beta-carotene - Medical Dictionary"

"Beta-carotene is also measured as an indirect measure of lipid (fat) absorption, because it is a fat-soluble nutrient"

"Beta-carotene also functions as a fat-soluble antioxidant, that is, it may help protect the body from harmful "free-radical" reactions."
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Old 02-24-2010, 02:36 PM
 
Location: Santa Cruz, CA
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Quote:
Originally Posted by pitt_transplant View Post
They are both stored in the liver and fat based.

HowStuffWorks "Beta-carotene - Medical Dictionary"

"Beta-carotene is also measured as an indirect measure of lipid (fat) absorption, because it is a fat-soluble nutrient"

"Beta-carotene also functions as a fat-soluble antioxidant, that is, it may help protect the body from harmful "free-radical" reactions."
But you said in the previous post that carrots have no fat soluble vitamins.
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Old 02-24-2010, 02:51 PM
 
19,215 posts, read 13,422,724 times
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Quote:
Originally Posted by coyoteskye View Post
But you said in the previous post that carrots have no fat soluble vitamins.
Beta carotene is not a vitamin - it is a precursor.
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Old 02-24-2010, 04:03 PM
 
Location: Santa Cruz, CA
2,903 posts, read 11,662,535 times
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You've both been so very kind and helpful.
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