Table 3.

Search string for nutritional ingredients and upper GI conditions and symptoms.

S. No	Searched for	Databases
1	Key words used for intervention: ti,ab(“Withania somnifera” OR Ashwagandha OR Taraxacum OR “yellow flowers” OR Dandelion OR “Melissa officinalis” OR “Lemon balm” OR Camomile OR Chamomile OR “Matricaria chamomilla” OR Aloe OR “Foeniculum vulgare” OR fennel OR “Zingiber officinale” OR Ginger OR cardamon OR cardamum OR Elettaria OR “Carica papaya” OR papaw OR papain OR “papaya” OR eugenol OR “clove oil” OR “Activated charcoal” OR “Ulmus rubra” OR “Slippery elm” OR “Burdock root “ OR Arctium OR “Cichorium intybus” OR “Zinc carnosine” OR “Trigonella foenum” OR “gum sudani” OR “acacia gum” OR “Arabic gum” OR “gum acacia” OR “Senegal gum” OR “Gum Arabic” OR “galactomannan” OR “Partially hydrolyzed guar gum” OR “Mentha piperita” OR “peppermint oil” OR “marine alginate” OR “alginate” OR “Melatonin” OR “N-acetyl-5-methoxytryptamine” OR “D-limonene” OR “Limonene” OR “Apple cider vinegar” OR “ACV” OR “Licorice” OR “Glycyrrhiza glabra” OR “Liquorice” OR “DGL” OR “deglycerized licorice” OR “deglycyrrhizinated licorice” OR “deglycyrrhizinated liquorice” OR “Liquiritiae radix”)	Embase, Medline, Derwent drug file, PubMed and ToXfile
2	Indications ti,ab(“gastric gas” OR belching OR Eructation OR Dyspepsia OR indigestion OR “gastroesophageal reflux” OR pyrosis OR Heartburn OR satiety OR overfeed OR Overfill OR “difficulty in swallowing” OR “abdominal bloating” OR “appetite loss” OR distention OR Nausea OR vomit* OR burp* OR dysphagia OR “stomach spasm” OR “stomach pain” OR “Stomach fullness” OR flatulence OR “stomach gas” OR “upper gastrointestinal” OR bloating OR “postprandial fullness” OR “loss of appetite” OR “food regurgitation” OR acidity OR retching OR gagging OR “motion sickness” OR GERD)	Embase, Medline, Derwent drug file, PubMed and ToXfile