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#2
January 14th, 2006
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High RBC count and hemoglobin are obviously beneficial to breath holding ability.
Just don't make the mistake of thinking that just by eating tons of iron supplements, you will become a performance maniac. With hypoxic training you need to make sure you get ENOUGH iron. But, taking TOO MUCH for too long has serious health risks (and very easy to do). The difference in performance is really finetuning. For example increasing your hb from 150 to say 170 will increase your total oxygen stores by a few percent. And for a person who's already fit, in good aerobic shape and has a pretty good blood, a jump so high is very unlike without some very serious hypoxic training. So if you're a beginner, you will most certainly develop in huge leaps in other areas of apnea. If you're an experienced competitive diver looking for that "final edge", you might look into blood and iron supplementation. For a recreational freediver training semi regularly, I would say you will most likely get enough iron from your normal diet. Iron absorbs notoriously bad, so just popping a bunch of supplements may actually be doing you no good. A few pointers: -Avoid calcium intake at the same time as the iron (not on the same meal) -Citrus fruits and vitamin-c help iron absorbtion -Hemi-iron (animal based) helps non-hemi iron to absorb, so having a piece of meat with a veggie based iron-source helps it absorb. -Hemi-iron absorbs generally 2-3 times better than non-hemi -If the body is getting plenty of iron, it absorbs it less well, so taking tons of supplements have less and less benefit compared to the risks The most important of these is calcium, which basically neutralizes the absorbtion... Things are of course a little bit different women, who have a natural way of getting rid of extra iron and iron supplementing may be needed.
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Simo K Last edited by jome; January 14th, 2006 at 09:00. 
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#3
January 16th, 2006
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Thank you!I use a chelated form of iron intermittently as I'm aware of both iron toxicity danger and absorbtion problems.
So you feel that it would then only be something to consider once your body is on the cutting edge?
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#4
January 16th, 2006
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In my opinion all freedivers are iron deficient unless they take special precautions to prevent it.
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Eric Fattah Canada http://www.liquivision.ca "I encourage you to be free in the way you measure your success. I don’t claim to know what it will be like to be in your position, but I know that when you leave here, grades will be handed out differently. Your ability to gauge your success will largely depend on how you perceive it. You can shape it, set it up, feel it, and define it. Allow competition to turn inward. Do not depend on awards, money, or other validations." -Jonny Moseley
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#5
January 17th, 2006
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Assuming one has within normal range hemoglobin rates, how would one know he is iron deficient?
Can hemoglobin rates serve as an indicator for iron status in the body?
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