Food Acidity ranges

AcidityDescription
0 to 3.6Very acid - very bad for heartburn
3.6 to 4.5Mildly acid - may or may not cause heartburn
4.5 or higherNot acid - most probably won't cause heartburn

For more details search on food acidity and alkalinity look at the list below. Items with higher values are the safest for your stomach. For more details on specific food items and whether they cause heartburn or not take a look at Food Database

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Item Approximate pH
Garlic5.8
Gelatin Dessert2.6
Gelatin, plain jell6.08
Ginger5.60 - 5.90
Ginseng , Korean drink6.00 - 6.50
Gooseberries2.80 - 3.10
Graham Crackers7.10 - 7.92
Grapes, canned3.50 - 4.50
Grapes, Concord2.80 - 3.00
Grapes, Lady Finger3.51 - 3.58
Grapes, Malaga3.71 - 3.78
Grapes, Niagara2.80 - 3.27
Grapes, Ribier3.70 - 3.80
Grapes, Seedless2.90 - 3.82
Grapes, Tokyo3.50 - 3.84
Grapefruit3.00 - 3.75
Grapefruit, canned3.08 - 3.32
Grapefruit Juice, canned2.90 - 3.25
Grass jelly5.80 - 7.20
Greens, Mixed, chopped5.05 - 5.22
Greens, Mixed, strained5.22 - 5.30
Grenadine Syrup2.31
Guava nectar5.5
Guava, canned3.37 - 4. 1
Guava Jelly3.73

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