Action News vol 10 no 2, June 2010, ISSN 1324-6011
Incorporating Lead Aware Times ( ISSN 1440-4966) and Lead Advisory Service News (ISSN 1440-0561)
The Journal of The LEAD (Lead Education and Abatement Design) Group Inc.
Nutrition to Fight Lead Poisoning
Robert J. Taylor, additional references sourced by Elizabeth O’Brien,
Phosphorus has been linked to blood lead levels in some studies but not consistently. This could relate to phosphorus as a key material for bone health, with phosphorus deficiency increasing bone resorption, even if other bone forming nutrients are present in adequate amounts. Phosphorus can reduce lead absorption from the intestine, particularly in conjunction with calcium, though calcium has more impact than phosphorus when each nutrient is administered alone. But phosphorus is oversupplied in most diets, with average US males consuming over twice their recommended daily intake, so there is probably little to be gained from increasing phosphorus intake unless your intake is unusually low.
Very high phosphorus levels can interfere with calcium absorption and utilization leading to problems with bone formation and increasing calcium deposition in soft tissues, but this is usually only a problem if renal (kidney) function has been impaired, as phosphorus is readily excreted. High levels of calcium intake interfere with phosphorus absorption. Phosphorus is found in large quantities in dairy products, meat, fish, soft drinks, beans, nuts and whole grains. The UK Expert Group on Vitamins and minerals concluded that consuming 3,700 mg a day is safe for most individuals, with the primary risk being to individuals with impaired renal function, which can be lead-induced.
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