Vitamin C Copper Absorption

This is a fact sheet intended for health professionals.

Vitamin c copper absorption.

Vitamin c promotes conservation of vitamin b9 in tissues. Vitamin e vitamin c restores oxidized vitamin e. Taking vitamins d e or k several hours before or after other fat soluble vitamins would seem to maximize their absorption. Various vitamins and minerals are flying off the shelf because of their recognized immune supportive qualities including zinc vitamin c and vitamin d 1.

Olivares m figueroa c pizarro f. Copper and vitamin c interactions posted on april 26 2012 by robert barrington ascorbic acid is thought to interact with copper in the gastrointestinal tract of humans and decrease the absorption of the mineral. For a reader friendly overview of vitamin c see our consumer fact sheet on vitamin c. In the other study supplements of 605 mg day of vitamin c for three weeks resulted in decreased ceruloplasmin oxidase activity although copper absorption did not decline.

Vitamin b9 zinc inhibits absorption of vitamin b9 due to the formation of insoluble complexes. These data are consistent with the hypothesis that interaction between vitamin c copper and iron influence normal heme formation through the oxidation reduction of iron and or by regulating iron absorption and availability at the gut level. Given the ubiquitous coverage of the covid 19 pandemic immune support is at the forefront of everyone s minds. Ascorbic acid vitamin c has been found to antagonize the absorption of copper intestinally and can impede the binding of copper to copper zinc superoxide dismutase cu zn sod.

When supplementing any nutrient it s important to consider the appropriate amount to take. Vitamin b12 vitamin c b1 iron copper turns vitamin b12 into useless analogs. High dose vitamin c can potentially lower copper levels although the effect seems to be modest as described in the concerns and cautions section of the vitamin c supplements review. Vitamin c also known as l ascorbic acid is a water soluble vitamin that is naturally present in some foods added to others and available as a dietary supplement.

Neither of these studies found. In one study vitamin c supplementation of 1 500 mg day for two months resulted in a significant decline in ceruloplasmin oxidase activity. Acute copper and ascorbic acid supplementation inhibits non heme iron absorption in humans. Selenium enhances the antioxidant effects of each other.

Absorption of vitamin k appears to be particularly reduced by other fat soluble vitamins while vitamin a absorption is least affected and may actually be better absorbed when taken with vitamin e goncalves food chem 2015.