Is Wholemeal Toast Bread Acidic or Alkaline?
Wholemeal toast bread (baked) is slightly acid-forming: Positive PRAL: acid-forming after digestion.
Classification
Wholemeal toast is at +4.3, only slightly above white toast (+3.9). The outer layers of the grain add extra phosphorus, but the potassium and magnesium they also contain largely make up the difference. Two slices totaling 50 g add just over +2. The topping then decides the rest of your breakfast.
In the Grains, Bread & Pasta category, wholemeal toast bread (baked) ranks #57 of 121, sorted from alkaline to acid-forming. More alkaline options include Brown rice (+4.2), Wholemeal spaghetti (+4.2), Wholemeal pasta (+4.2). More acid-forming are Wholemeal roll (+4.3), Rye, whole kernel (+4.4), Potato bread (+4.7).
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 wholemeal toast bread
Two slices (100 g) of wholemeal toast bread adds +4.3 to your daily balance. These three bring it back; the grams shown offset exactly this serving.
Frequently Asked Questions
Is wholemeal toast bread 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: Wholemeal toast bread (baked) has a PRAL of +4.3 per 100 g, so it counts as slightly acid-forming in your daily acid-base balance.
How much avocado offsets two slices (100 g) of wholemeal toast bread?
Two slices (100 g) of wholemeal toast bread adds +4.3 to your daily balance. Avocado (ripe) has −9.9 per 100 g, so about 40 g of avocado offset this serving.
Do I have to avoid wholemeal toast bread on an alkaline diet?
No. What counts is the balance of the whole day, not a single food. Wholemeal toast bread is slightly acid-forming; with enough vegetables, potatoes and fruit on the same plate, the meal stays balanced.
Wholemeal Toast Bread logged, balance checked.
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Compare all Grains, Bread & Pasta: Grains, Bread & Pasta 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.