Table A3.

Search terms in Cochrane.

14 amino acids AND administration	(MeSH descriptor: [Glutamine] explode all trees and with qualifier(s): [Administration & dosage-AD, Adverse effects-AE, Deficiency-DF, Drug effects-DE, Pharmacology-PD, Physiology-PH, Therapeutic use-TU] OR MeSH descriptor: [Glutamic Acid] explode all trees OR MeSH descriptor: [Citrulline] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects-AE, Deficiency—DF, Drug effects—DE, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Asparagine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Drug effects—DE, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Aspartic Acid] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Drug effects—DE, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Proline] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Drug effects—DE, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Ornithine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Drug effects—DE, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Choline] explode all trees and with qualifier(s): Administration & dosage—AD, Adverse effects—AE, Pharmacology—PD, Physiology—PH, Therapeutic use—TU]MeSH descriptor: [Arginine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Leucine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Isoleucine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Valine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Cysteine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Pharmacology—PD, Physiology—PH, Therapeutic use—TU] OR MeSH descriptor: [Methionine] explode all trees and with qualifier(s): [Administration & dosage—AD, Adverse effects—AE, Deficiency—DF, Pharmacology—PD, Physiology—PH, Therapeutic use—TU]) OR ((MeSH descriptor: [Dietary Supplements] explode all trees OR MeSH descriptor: [Administration, Oral] explode all trees OR administration * OR administer * OR dose OR doses OR dosage OR treatment OR treated OR supplement * OR diet OR diets OR dietary OR intake OR intakes OR consumption OR consumptions OR consume OR nutraceutical * OR nutriceutical * OR therapy OR therapies:ti,ab,kw ) AND (MeSH descriptor: [Glutamic Acid] explode all trees OR MeSH descriptor: [Glutamine] this term only OR MeSH descriptor: [Citrulline] explode all trees OR MeSH descriptor: [Asparagine] explode all trees OR MeSH descriptor: [Aspartic Acid] this term only OR MeSH descriptor: [D-Aspartic Acid] explode all trees OR MeSH descriptor: [Proline] this term only OR MeSH descriptor: [Choline] this term only OR MeSH descriptor: [Ornithine] this term only OR glutamic acid OR glutamate OR MSG OR vestin OR “aminoglutaric acid” OR “aminopentanedioic acid” OR acidogen or acidoride OR acidothym OR acidulin OR aciglumin OR aciglut OR aclor OR antalka OR flanithin OR gastuloric OR glusate OR glutadox OR glutamidin OR “glutamin acid” OR “glutaminic acid” OR glutaminol OR glutan OR glutansin OR glutasin OR glutaton OR hydrionic OR hypochylin OR levoglutamate OR “levoglutamic acid” OR muriamic OR pepsdol or glutamine OR “aminoglutaramic acid” or acutil OR “adamin G” OR glumin OR glutamin OR levoglutamide OR levoglutamine OR nutrestore or citrulline OR “ureidopentanoic acid” OR ureidonorvaline OR “ureidovaleric acid” OR citrullin OR carbamylornithine OR asparagine OR asparagin OR “aminosuccinamic acid” OR “aspartic acid” OR aspartate OR Magnesiocard OR Mg-5-Longoral OR Mg 5 Longoral OR Mg5 Longoral OR panangin OR astra 2045 OR “aminosuccinic acid” OR “asparagic acid” OR asparaginate OR “asparaginic acid” OR aspartyl OR aspatofort OR “levoaspartic acid” OR proline OR prolin OR levoproline OR “pyrrolidinecarboxylic acid”OR pyrrolidine carboxylate OR ornithine OR ornithin OR “Diaminopentanoic Acid” OR “diaminovaleric acid” OR choline OR bursine OR vidine OR fagine OR trimethylammonium hydroxide OR amonita OR bilineurine OR biocholine OR biocolina OR cholin OR hepacholine OR laevocholine OR levocholine OR lipotril OR luridine OR sincaline OR urocholine:ti,ab,kw OR MeSH descriptor: [Arginine] explode all trees OR MeSH descriptor: [Leucine] explode all trees OR MeSH descriptor: [Isoleucine] explode all trees OR MeSH descriptor: [Valine] explode all trees OR MeSH descriptor: [Cysteine] explode all trees OR MeSH descriptor: [Methionine] explode all trees OR Arginine OR L-Arginine OR Leucine OR L-Leucine OR Leucin OR Isoleucine OR Isoleucin OR Alloisoleucine OR Alloisoleucin OR Valine or L-Valine OR Valsartan OR Valerate OR Cysteine OR L-Cysteine OR Cysteinate OR Acetylcysteine OR Carbocysteine OR Cysteinyldopa OR Cystine OR cystein OR cysthion OR Selenocysteine OR Methionine OR L-Methionine OR Liquimeth OR Pedameth OR formylmethionine OR Racemethionine OR Adenosylmethionine OR Selenomethionine OR Vitamin U OR acimetion OR cotameth OR lobamine OR menin OR menine OR meonine OR methiolate OR methionin OR methiotrans OR methnine OR methurine OR metione OR methidin OR neutrodor OR oradash OR urosamine OR Methyl Donor:ti,ab,kw))
AND	AND
Healthy pregnancy OR Complicated pregnancy	MeSH descriptor: [Pregnancy] explode all trees OR MeSH descriptor: [Gravidity] explode all trees OR MeSH descriptor: [Fetus] explode all trees OR MeSH descriptor: [Infant, Low Birth Weight] explode all trees OR MeSH descriptor: [Infant, Premature] explode all trees OR MeSH descriptor: [Premature Birth] explode all trees OR MeSH descriptor: [Hypertension, Pregnancy-Induced] explode all trees OR MeSH descriptor: [Fetal Macrosomia] explode all trees OR MeSH descriptor: [Diabetes, Gestational] explode all trees OR MeSH descriptor: [Pregnancy in Diabetics] explode all trees OR MeSH descriptor: [Placental Insufficiency] explode all trees OR Pregnancy OR Pregnancies OR Pregnant OR Gestation OR Gestations OR Gestational OR gravidity OR gravidities OR gravid or fetus OR foetus OR fetal OR foetal OR childbearing OR “child bearing” OR FGR OR Intrauterine growth retardation OR Intra-uterine growth retardation OR Intrauterine growth restriction OR Intra-uterine growth restriction OR IUGR OR Small for Gestational Age OR SGA OR Low birth weight OR Premature baby OR Pre-mature baby OR Preterm baby OR Pre-term baby OR Premature babies OR Pre-mature babies OR Preterm babies OR Pre-term babies OR Premature child OR Pre-mature child OR Preterm child OR Pre-term child OR Premature children OR Pre-mature children or Preterm children OR Pre-term children OR Premature infant * OR Pre-mature infant * OR Preterm infant * OR Pre-term infant * OR Premature newborn * OR Pre-mature newborn * OR Preterm newborn * OR Pre-term newborn * OR Premature neonate * OR Pre-mature neonate * OR Preterm neonate * OR Pre-term neonate * OR Premature birth * OR Pre-mature birth * PR Preterm birth * OR Pre-term birth * OR Neonatal prematurity OR prematuritas OR Pre-Eclampsia OR Preeclampsia OR pre-eclamptic OR preeclamptic OR preclampsia OR Proteinuria Edema Hypertension Gestosis OR Edema Proteinuria Hypertension Gestosis OR EPH Gestosis or EPH Toxemia * OR EPH Complex OR “placenta insufficiency” OR “placental insufficiency” OR “placenta insufficiencies” OR “placental insufficiencies” OR “placenta deficiency” OR “placental deficiency” OR “placenta deficiencies” OR “placental deficiencies” OR “placenta failure” OR “placental failure” OR Macrosomia * OR high birth weight OR “overweight infant” OR “overweight infants” OR “overweight newborn” OR “overweight newborns” OR “overweight neonate” OR “overweight neonates” OR diabetes gravidarum:ti,ab,kw

Fourteen amino acids during pregnancy: arginine, citrulline, glutamate, glutamine, asparagine, aspartate, proline, ornithine, (iso-)leucine, valine, cysteine, methionine, and choline. The search was performed on 25 July 2018, with 819 records.