Is Soy Yogurt Acidic or Alkaline?
Soy yogurt (prepared) is slightly acid-forming: Positive PRAL: acid-forming after digestion.
Classification
Soy yogurt comes in at +1.7, making it slightly acid-forming. The fermented soy protein brings phosphorus, and the bean's potassium only partly offsets it. The unsweetened version is higher at +3.3, because in the sweetened kind, sugar and fruit preparation dilute the protein. Add fresh berries or a banana, and the bowl moves back toward zero.
In the Plant-Based Alternatives category, soy yogurt (prepared) ranks #13 of 21, sorted from alkaline to acid-forming. More alkaline options include Vegan cheese (coco-based) (−0.2), Coconut drink (−0.5), Coconut yogurt (plain) (−1.1). More acid-forming are Soy yogurt (unsweetened) (+3.3), Vegan cheese (cashew-based) (+5.0), Tempeh (+6.8).
Acidic or alkaline: PRAL, not pH
On this site, acidic and alkaline refer to the PRAL (potential renal acid load). It estimates what a food leaves behind once it has been digested: a positive value is acid-forming, a negative value is alkalizing. That is different from the pH of the food itself: a lemon tastes sour, yet its PRAL is −4.0, so it is alkalizing. Your diet does not change your blood pH. It does change how much acid your kidneys have to deal with.
What balances soy yogurt
100 g of soy yogurt adds +1.7 to your daily balance. These three bring it back; the grams shown offset exactly this serving.
Frequently Asked Questions
Is soy yogurt acidic?
It depends on what you mean by acidic. The pH describes the food itself, for example how sour it tastes. The PRAL describes what it leaves behind after digestion: Soy yogurt (prepared) has a PRAL of +1.7 per 100 g, so it counts as slightly acid-forming in your daily acid-base balance.
How much spinach offsets 100 g of soy yogurt?
100 g of soy yogurt adds +1.7 to your daily balance. Spinach (fresh) has −12.2 per 100 g, so about 10 g of spinach offset this serving.
Do I have to avoid soy yogurt on an alkaline diet?
No. What counts is the balance of the whole day, not a single food. Soy yogurt is slightly acid-forming; with enough vegetables, potatoes and fruit on the same plate, the meal stays balanced.
Soy Yogurt logged, balance checked.
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Compare all Plant-Based Alternatives: Plant-Based Alternatives table. Common questions are answered in Acidic or Alkaline?, and the PRAL calculator adds up a whole meal.
Source: Basentracker food database (PRAL according to Remer & Manz, calculated from protein, phosphorus, potassium, magnesium and calcium per 100 g). This information does not replace medical advice.