Magnesium balance in adolescent females consuming a low- or high-calcium diet
Increasing emphasis is being placed on optimizing calcium intake during growth as a way to enhance peak bone mass. Although some studies in adults have shown that high calcium intake may negatively affect magnesium utilization, few data are available regarding the interaction of calcium and magnesiu...
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| creator | Andon, MB Ilich, JZ Tzagournis, MA Matkovic, V |
| description | Increasing emphasis is being placed on optimizing calcium intake during growth as a way to enhance peak bone mass. Although some studies in adults have shown that high calcium intake may negatively affect magnesium utilization, few data are available regarding the interaction of calcium and magnesium in healthy children. The purpose of our study was to measure the effect of calcium intake on magnesium balance in 26 adolescent girls (mean age 11.3 y) during a 14-d period. Subjects ate a controlled basal diet containing 667 mg Ca and 176 mg Mg. In addition to the basal diet, subjects were randomly assigned in a double-blind fashion to consume 1000 mg elemental Ca/d as calcium citrate malate or a placebo. Magnesium use did not differ between the low-calcium and high-calcium groups as measured by absorption (50% compared with 55%), urinary excretion (70 compared with 74 mg/d), and fecal excretion (88 compared with 79 mg/d). Accordingly, magnesium balance was not different in subjects consuming 667 or 1667 mg Ca/d and averaged 21 mg Mg/d for the whole study group. Magnesium balance was significantly correlated with magnesium intake (r = 0.511, P = 0.008) and magnesium absorption (r = 0.723, P < 0.001). Prediction intervals from the regression of magnesium balance on intake indicated that the current recommended dietary allowance of magnesium would result in magnesium balance > or = 8.5 mg/d in 95% of the girls. This value appears consistent with long-term accretion rates needed to account for the expansion of the total-body magnesium pool during growth. In summary, our observations support the adequacy of the current recommended dietary allowance for magnesium and indicate that alterations in magnesium utilization should not be anticipated in adolescent females consuming a high-calcium diet. |
| doi_str_mv | 10.1093/ajcn/63.6.950 |
| format | Article |
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Although some studies in adults have shown that high calcium intake may negatively affect magnesium utilization, few data are available regarding the interaction of calcium and magnesium in healthy children. The purpose of our study was to measure the effect of calcium intake on magnesium balance in 26 adolescent girls (mean age 11.3 y) during a 14-d period. Subjects ate a controlled basal diet containing 667 mg Ca and 176 mg Mg. In addition to the basal diet, subjects were randomly assigned in a double-blind fashion to consume 1000 mg elemental Ca/d as calcium citrate malate or a placebo. Magnesium use did not differ between the low-calcium and high-calcium groups as measured by absorption (50% compared with 55%), urinary excretion (70 compared with 74 mg/d), and fecal excretion (88 compared with 79 mg/d). Accordingly, magnesium balance was not different in subjects consuming 667 or 1667 mg Ca/d and averaged 21 mg Mg/d for the whole study group. Magnesium balance was significantly correlated with magnesium intake (r = 0.511, P = 0.008) and magnesium absorption (r = 0.723, P < 0.001). Prediction intervals from the regression of magnesium balance on intake indicated that the current recommended dietary allowance of magnesium would result in magnesium balance > or = 8.5 mg/d in 95% of the girls. This value appears consistent with long-term accretion rates needed to account for the expansion of the total-body magnesium pool during growth. In summary, our observations support the adequacy of the current recommended dietary allowance for magnesium and indicate that alterations in magnesium utilization should not be anticipated in adolescent females consuming a high-calcium diet.</description><identifier>ISSN: 0002-9165</identifier><identifier>EISSN: 1938-3207</identifier><identifier>DOI: 10.1093/ajcn/63.6.950</identifier><identifier>PMID: 8644692</identifier><identifier>CODEN: AJCNAC</identifier><language>eng</language><publisher>Bethesda, MD: Elsevier Inc</publisher><subject>ABSORCION DIGESTIVA ; Absorption - physiology ; ABSORPTION DIGESTIVE ; Administration, Oral ; Biological and medical sciences ; CALCIO ; CALCIUM ; Calcium - analysis ; Calcium - urine ; Calcium, Dietary - administration & dosage ; Calcium, Dietary - pharmacokinetics ; Calcium, Dietary - pharmacology ; Child ; CHILDREN ; COMPLEMENT ALIMENTAIRE ; DIET ; DIETA ; DIGESTIVE ABSORPTION ; Dose-Response Relationship, Drug ; Double-Blind Method ; ENFANT ; EXCRECION ; EXCRETION ; FAECES ; FECES ; Feces - chemistry ; Feeding. Feeding behavior ; Female ; FISIOLOGIA DE LA NUTRICION ; Fundamental and applied biological sciences. Psychology ; GENERO HUMANO ; GENRE HUMAIN ; GIRLS ; HECES ; Humans ; INGESTION DE NUTRIENTES ; INGESTION DE SUBSTANCES NUTRITIVES ; INTERACCIONES NUTRIENTE NUTRIENTE ; INTERACTION NUTRIMENT NUTRIMENT ; INTESTINAL ABSORPTION ; JEUNESSE ; JUVENTUD ; MAGNESIO ; MAGNESIUM ; Magnesium - administration & dosage ; Magnesium - metabolism ; Magnesium - pharmacology ; MANKIND ; MINERAL NUTRIENTS ; NINOS ; NUTRIENT BALANCE ; NUTRIENT INTAKE ; NUTRIENT NUTRIENT INTERACTIONS ; NUTRIENTES MINERALES ; NUTRITION PHYSIOLOGY ; Nutritional Requirements ; ORINA ; PHYSIOLOGIE DE LA NUTRITION ; Puberty - metabolism ; REGIME ALIMENTAIRE ; Regression Analysis ; SUBSTANCE NUTRITIVE MINERALE ; SUPLEMENTOS ; SUPPLEMENTS ; Teenagers ; URINE ; Vertebrates: anatomy and physiology, studies on body, several organs or systems ; YOUTH</subject><ispartof>The American journal of clinical nutrition, 1996-06, Vol.63 (6), p.950-953</ispartof><rights>1996 American Society for Nutrition.</rights><rights>1996 INIST-CNRS</rights><rights>Copyright American Society for Clinical Nutrition, Inc. 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Although some studies in adults have shown that high calcium intake may negatively affect magnesium utilization, few data are available regarding the interaction of calcium and magnesium in healthy children. The purpose of our study was to measure the effect of calcium intake on magnesium balance in 26 adolescent girls (mean age 11.3 y) during a 14-d period. Subjects ate a controlled basal diet containing 667 mg Ca and 176 mg Mg. In addition to the basal diet, subjects were randomly assigned in a double-blind fashion to consume 1000 mg elemental Ca/d as calcium citrate malate or a placebo. Magnesium use did not differ between the low-calcium and high-calcium groups as measured by absorption (50% compared with 55%), urinary excretion (70 compared with 74 mg/d), and fecal excretion (88 compared with 79 mg/d). Accordingly, magnesium balance was not different in subjects consuming 667 or 1667 mg Ca/d and averaged 21 mg Mg/d for the whole study group. Magnesium balance was significantly correlated with magnesium intake (r = 0.511, P = 0.008) and magnesium absorption (r = 0.723, P < 0.001). Prediction intervals from the regression of magnesium balance on intake indicated that the current recommended dietary allowance of magnesium would result in magnesium balance > or = 8.5 mg/d in 95% of the girls. This value appears consistent with long-term accretion rates needed to account for the expansion of the total-body magnesium pool during growth. In summary, our observations support the adequacy of the current recommended dietary allowance for magnesium and indicate that alterations in magnesium utilization should not be anticipated in adolescent females consuming a high-calcium diet.</description><subject>ABSORCION DIGESTIVA</subject><subject>Absorption - physiology</subject><subject>ABSORPTION DIGESTIVE</subject><subject>Administration, Oral</subject><subject>Biological and medical sciences</subject><subject>CALCIO</subject><subject>CALCIUM</subject><subject>Calcium - analysis</subject><subject>Calcium - urine</subject><subject>Calcium, Dietary - administration & dosage</subject><subject>Calcium, Dietary - pharmacokinetics</subject><subject>Calcium, Dietary - pharmacology</subject><subject>Child</subject><subject>CHILDREN</subject><subject>COMPLEMENT ALIMENTAIRE</subject><subject>DIET</subject><subject>DIETA</subject><subject>DIGESTIVE ABSORPTION</subject><subject>Dose-Response Relationship, Drug</subject><subject>Double-Blind Method</subject><subject>ENFANT</subject><subject>EXCRECION</subject><subject>EXCRETION</subject><subject>FAECES</subject><subject>FECES</subject><subject>Feces - chemistry</subject><subject>Feeding. Feeding behavior</subject><subject>Female</subject><subject>FISIOLOGIA DE LA NUTRICION</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>GENERO HUMANO</subject><subject>GENRE HUMAIN</subject><subject>GIRLS</subject><subject>HECES</subject><subject>Humans</subject><subject>INGESTION DE NUTRIENTES</subject><subject>INGESTION DE SUBSTANCES NUTRITIVES</subject><subject>INTERACCIONES NUTRIENTE NUTRIENTE</subject><subject>INTERACTION NUTRIMENT NUTRIMENT</subject><subject>INTESTINAL ABSORPTION</subject><subject>JEUNESSE</subject><subject>JUVENTUD</subject><subject>MAGNESIO</subject><subject>MAGNESIUM</subject><subject>Magnesium - administration & dosage</subject><subject>Magnesium - metabolism</subject><subject>Magnesium - pharmacology</subject><subject>MANKIND</subject><subject>MINERAL NUTRIENTS</subject><subject>NINOS</subject><subject>NUTRIENT BALANCE</subject><subject>NUTRIENT INTAKE</subject><subject>NUTRIENT NUTRIENT INTERACTIONS</subject><subject>NUTRIENTES MINERALES</subject><subject>NUTRITION PHYSIOLOGY</subject><subject>Nutritional Requirements</subject><subject>ORINA</subject><subject>PHYSIOLOGIE DE LA NUTRITION</subject><subject>Puberty - metabolism</subject><subject>REGIME ALIMENTAIRE</subject><subject>Regression Analysis</subject><subject>SUBSTANCE NUTRITIVE MINERALE</subject><subject>SUPLEMENTOS</subject><subject>SUPPLEMENTS</subject><subject>Teenagers</subject><subject>URINE</subject><subject>Vertebrates: anatomy and physiology, studies on body, several organs or systems</subject><subject>YOUTH</subject><issn>0002-9165</issn><issn>1938-3207</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kUtr3DAURkVJSaaTLrssiFC680RvW8sQ-oKELpqshR7XEw22lUh2Sv99NcyQQKErCe7Rp09HCH2gZEOJ5pd256dLxTdqoyV5g1ZU867hjLQnaEUIYY2mSp6hd6XsCKFMdOoUnXZKCKXZCt3e2u0EJS4jdnawkwccJ2xDGqB4mGbcw2jrHvs0lWWM0xZbPKTfDU4ZP8TtQ-Pt4PfHQ4T5HL3t7VDg_XFdo_uvX-6uvzc3P7_9uL66abyQfG5Ai94LTzodFFNet1T12rEgnBRaKhuUddw54ajybQBPeu2JaEUniWbOK75Gnw-5jzk9LVBmM8Zad6gPgLQU03ZEdbSaWKOLf8BdWvJUuxnGqWZC1UJr1Bwgn1MpGXrzmONo8x9Didk7NnvHRnGjTHVc-Y_H0MWNEF7oo9Q6_3Sc21Lt9LlqjeUF41RKSehrTG-TsdtckftfVOuWSMHo_pr2MIdq8jlCNsVHqD8UYgY_m5Difwr-Baa-n00</recordid><startdate>19960601</startdate><enddate>19960601</enddate><creator>Andon, MB</creator><creator>Ilich, JZ</creator><creator>Tzagournis, MA</creator><creator>Matkovic, V</creator><general>Elsevier Inc</general><general>American Society for Clinical Nutrition</general><general>American Society for Clinical Nutrition, Inc</general><scope>6I.</scope><scope>AAFTH</scope><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7T7</scope><scope>7TS</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>19960601</creationdate><title>Magnesium balance in adolescent females consuming a low- or high-calcium diet</title><author>Andon, MB ; Ilich, JZ ; Tzagournis, MA ; Matkovic, V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-e94fc4c089d626c9716f9b2d4b54956ad6ab3bb4b16c7dec0f9c047485092bc63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>ABSORCION DIGESTIVA</topic><topic>Absorption - physiology</topic><topic>ABSORPTION DIGESTIVE</topic><topic>Administration, Oral</topic><topic>Biological and medical sciences</topic><topic>CALCIO</topic><topic>CALCIUM</topic><topic>Calcium - analysis</topic><topic>Calcium - urine</topic><topic>Calcium, Dietary - administration & dosage</topic><topic>Calcium, Dietary - pharmacokinetics</topic><topic>Calcium, Dietary - pharmacology</topic><topic>Child</topic><topic>CHILDREN</topic><topic>COMPLEMENT ALIMENTAIRE</topic><topic>DIET</topic><topic>DIETA</topic><topic>DIGESTIVE ABSORPTION</topic><topic>Dose-Response Relationship, Drug</topic><topic>Double-Blind Method</topic><topic>ENFANT</topic><topic>EXCRECION</topic><topic>EXCRETION</topic><topic>FAECES</topic><topic>FECES</topic><topic>Feces - chemistry</topic><topic>Feeding. Feeding behavior</topic><topic>Female</topic><topic>FISIOLOGIA DE LA NUTRICION</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>GENERO HUMANO</topic><topic>GENRE HUMAIN</topic><topic>GIRLS</topic><topic>HECES</topic><topic>Humans</topic><topic>INGESTION DE NUTRIENTES</topic><topic>INGESTION DE SUBSTANCES NUTRITIVES</topic><topic>INTERACCIONES NUTRIENTE NUTRIENTE</topic><topic>INTERACTION NUTRIMENT NUTRIMENT</topic><topic>INTESTINAL ABSORPTION</topic><topic>JEUNESSE</topic><topic>JUVENTUD</topic><topic>MAGNESIO</topic><topic>MAGNESIUM</topic><topic>Magnesium - administration & dosage</topic><topic>Magnesium - metabolism</topic><topic>Magnesium - pharmacology</topic><topic>MANKIND</topic><topic>MINERAL NUTRIENTS</topic><topic>NINOS</topic><topic>NUTRIENT BALANCE</topic><topic>NUTRIENT INTAKE</topic><topic>NUTRIENT NUTRIENT INTERACTIONS</topic><topic>NUTRIENTES MINERALES</topic><topic>NUTRITION PHYSIOLOGY</topic><topic>Nutritional Requirements</topic><topic>ORINA</topic><topic>PHYSIOLOGIE DE LA NUTRITION</topic><topic>Puberty - metabolism</topic><topic>REGIME ALIMENTAIRE</topic><topic>Regression Analysis</topic><topic>SUBSTANCE NUTRITIVE MINERALE</topic><topic>SUPLEMENTOS</topic><topic>SUPPLEMENTS</topic><topic>Teenagers</topic><topic>URINE</topic><topic>Vertebrates: anatomy and physiology, studies on body, several organs or systems</topic><topic>YOUTH</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Andon, MB</creatorcontrib><creatorcontrib>Ilich, JZ</creatorcontrib><creatorcontrib>Tzagournis, MA</creatorcontrib><creatorcontrib>Matkovic, V</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Physical Education Index</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>The American journal of clinical nutrition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Andon, MB</au><au>Ilich, JZ</au><au>Tzagournis, MA</au><au>Matkovic, V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnesium balance in adolescent females consuming a low- or high-calcium diet</atitle><jtitle>The American journal of clinical nutrition</jtitle><addtitle>Am J Clin Nutr</addtitle><date>1996-06-01</date><risdate>1996</risdate><volume>63</volume><issue>6</issue><spage>950</spage><epage>953</epage><pages>950-953</pages><issn>0002-9165</issn><eissn>1938-3207</eissn><coden>AJCNAC</coden><abstract>Increasing emphasis is being placed on optimizing calcium intake during growth as a way to enhance peak bone mass. Although some studies in adults have shown that high calcium intake may negatively affect magnesium utilization, few data are available regarding the interaction of calcium and magnesium in healthy children. The purpose of our study was to measure the effect of calcium intake on magnesium balance in 26 adolescent girls (mean age 11.3 y) during a 14-d period. Subjects ate a controlled basal diet containing 667 mg Ca and 176 mg Mg. In addition to the basal diet, subjects were randomly assigned in a double-blind fashion to consume 1000 mg elemental Ca/d as calcium citrate malate or a placebo. Magnesium use did not differ between the low-calcium and high-calcium groups as measured by absorption (50% compared with 55%), urinary excretion (70 compared with 74 mg/d), and fecal excretion (88 compared with 79 mg/d). Accordingly, magnesium balance was not different in subjects consuming 667 or 1667 mg Ca/d and averaged 21 mg Mg/d for the whole study group. Magnesium balance was significantly correlated with magnesium intake (r = 0.511, P = 0.008) and magnesium absorption (r = 0.723, P < 0.001). Prediction intervals from the regression of magnesium balance on intake indicated that the current recommended dietary allowance of magnesium would result in magnesium balance > or = 8.5 mg/d in 95% of the girls. This value appears consistent with long-term accretion rates needed to account for the expansion of the total-body magnesium pool during growth. In summary, our observations support the adequacy of the current recommended dietary allowance for magnesium and indicate that alterations in magnesium utilization should not be anticipated in adolescent females consuming a high-calcium diet.</abstract><cop>Bethesda, MD</cop><pub>Elsevier Inc</pub><pmid>8644692</pmid><doi>10.1093/ajcn/63.6.950</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The American journal of clinical nutrition, 1996-06, Vol.63 (6), p.950-953 |
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| subjects | ABSORCION DIGESTIVA Absorption - physiology ABSORPTION DIGESTIVE Administration, Oral Biological and medical sciences CALCIO CALCIUM Calcium - analysis Calcium - urine Calcium, Dietary - administration & dosage Calcium, Dietary - pharmacokinetics Calcium, Dietary - pharmacology Child CHILDREN COMPLEMENT ALIMENTAIRE DIET DIETA DIGESTIVE ABSORPTION Dose-Response Relationship, Drug Double-Blind Method ENFANT EXCRECION EXCRETION FAECES FECES Feces - chemistry Feeding. Feeding behavior Female FISIOLOGIA DE LA NUTRICION Fundamental and applied biological sciences. Psychology GENERO HUMANO GENRE HUMAIN GIRLS HECES Humans INGESTION DE NUTRIENTES INGESTION DE SUBSTANCES NUTRITIVES INTERACCIONES NUTRIENTE NUTRIENTE INTERACTION NUTRIMENT NUTRIMENT INTESTINAL ABSORPTION JEUNESSE JUVENTUD MAGNESIO MAGNESIUM Magnesium - administration & dosage Magnesium - metabolism Magnesium - pharmacology MANKIND MINERAL NUTRIENTS NINOS NUTRIENT BALANCE NUTRIENT INTAKE NUTRIENT NUTRIENT INTERACTIONS NUTRIENTES MINERALES NUTRITION PHYSIOLOGY Nutritional Requirements ORINA PHYSIOLOGIE DE LA NUTRITION Puberty - metabolism REGIME ALIMENTAIRE Regression Analysis SUBSTANCE NUTRITIVE MINERALE SUPLEMENTOS SUPPLEMENTS Teenagers URINE Vertebrates: anatomy and physiology, studies on body, several organs or systems YOUTH |
| title | Magnesium balance in adolescent females consuming a low- or high-calcium diet |
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