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Old 09-03-2003, 01:15 PM   #1
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Posts: 50
avgjoe HB User
Post Should I take tons of Beta Carotene Vit. A?

I have a bottle of Beta Carotene (Pro Vitamin A) it contains 100 softgels 25,000 IU.

Should I take a large amount per day?

 
Old 09-03-2003, 01:39 PM   #2
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Join Date: Apr 2003
Location: toronto,canada
Posts: 67
chicane HB User
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you can try but only for short term...long term high doses may have negative effects such as bone damage


Vitamin A 'broken bones risk'
January 23, 2003

TAKING vitamin A supplements can weaken the bones and increase the risk
of fractures up to seven times, according to a large Swedish study.

The research, conducted on men, confirms three earlier studies in women
showing that high intake of vitamin A raises the risk of broken hips and
weak bones.

The latest study is the first to measure levels of the vitamin in blood,
rather than just asking about diet and supplement use.

The three-decade study and other evidence suggest that daily vitamin A
consumption of more than 1.5 milligrams can be dangerous, and that
people should not take vitamin A supplements.

Present dietary recommendations call for only 0.7 mg of vitamin A for
women and 0.9 mg for men a day. That is easily supplied by a healthy
diet. But many popular multivitamins contain 0.75 mg to 1.5 mg of
vitamin A, generally listed on labels as 2,500 international units and
5,000 IUs, respectively.


"Vitamin A is potentially harmful," Dr Donald Louria, chairman emeritus
of preventive medicine at the University of Medicine and Dentistry of
New Jersey in Newark, said.

"Unless there is a known medical reason like certain diseases of the
eye, ... people should not be taking vitamin A supplements."

The study by doctors at University Hospital in Uppsala is reported in
tomorrow's New England Journal of Medicine. It involved 2322 men.

Vitamin A is known as an antioxidant. Antioxidants are believed to
reduce the risk of cancer and heart disease. Government studies show
one-third to one-half of Americans take vitamin A or multivitamins
containing it.

Vitamin A can interfere with cells that produce new bone, stimulate
cells that break down old bone and interfere with vitamin D, which helps
the body maintain normal calcium levels.

In the study, about one-fifth, or roughly 465 of the men, were found to
be at risk because they had the highest levels of vitamin A. The men
were about two-and-a-half times more likely to break a hip and 65 per
cent more likely to suffer any fracture than those with lower levels of
the vitamin in their blood.

Those in the 99th percentile were about seven times more likely to break
a bone.

Louria said that people should not take fish oil supplements or eat
liver more than once a week, but that multivitamins containing 0.1 mg or
less of vitamin A are fine for people eating a healthy diet.

Large amounts of vitamin A are found in beef liver and fish liver oils;
smaller amounts are in egg yolks, butter and cream. Milk and some
cereals are fortified with vitamin A and, per serving, provide about 10
per cent of daily needs. And substances in dark green, leafy vegetables
and yellow vegetables and fruits are converted to vitamin A in the body.

The Associated Press

 
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Old 09-05-2003, 09:30 PM   #3
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Join Date: Sep 2003
Location: West Hollywood, CA
Posts: 5
Filmkid HB User
Cool

Toxicity is only true for pure Vitamin A (Retinyl Palimate). Beta Carotine is only used as the body requires it, and you can take high doses without toxicity (though it will apparently give the skin an orange color). I have no idea how this affects acne, but I am currently taking around 50,000 I.U.s a day of BC. If you take pure A, it is not recommended you take more than 10,000 I.U.s, as it also can be harmful to the liver over a long period of time.

 
Old 09-06-2003, 01:24 AM   #4
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Join Date: Aug 2003
Location: Davis, Ca USA
Posts: 181
stabmaster HB User
Post

i started taking (1) biotin (2) a zinc/vitA/vitD complex "formulated for acne" and (3) essential EFA's by "Udo's Choice" made from seeds and such/not fish. sounds like a pretty good combo to me. we'll see what happens.

 
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