Journal
BIOMETALS
Volume 35, Issue 2, Pages 267-283Publisher
SPRINGER
DOI: 10.1007/s10534-022-00363-y
Keywords
Magnesium; Ionized magnesium; Supplements; Mineral status; Pharmaceutical dosage; Magnesium oxide; Magnesium citrate; Magnesium carbonate
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This study investigated the short-term effects of three magnesium dietary supplements on magnesium status and electrolyte levels in healthy young women. It was found that magnesium oxide had superior bioavailability compared to the other supplements, without affecting other minerals' levels.
This study aimed to investigate the short-term effects of three magnesium (Mg) dietary supplements containing mineral immediately available for absorption on Mg biochemical status indices (ionized and total Mg), as well as their effects on electrolytes levels in healthy female young adults (n = 61). After a 10-days intervention period supplementation with powder/granulate containing Mg oxide led to an increase in both ionized Mg concentration and % in total Mg in comparison with the baseline. Supplementation with Mg citrate was associated with the significant increase in % of ionized fraction and decrease in serum total Mg concentration. By contrast, among participants consuming Mg carbonate in the form of effervescent tablets ionized Mg concentration and % in total Mg decreased, without detectable changes in serum total Mg. In conclusion, after the short-term supplementation period, Mg oxide demonstrated superior bioavailability compared to the other examined Mg supplements without affecting other minerals' levels.
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