Is Wholemeal Crispbread Acidic or Alkaline?
Wholemeal crispbread (baked) is slightly acid-forming: Positive PRAL: acid-forming after digestion.
Classification
Wholemeal crispbread comes in at +1.6, so it is only mildly acid-forming. The whole grain does supply protein and phosphorus, but its bran and germ also bring potassium and magnesium that offset much of it. The difference from the rye version is tiny. A slice of about 10 g topped with avocado or vegetable strips even tips into the alkaline range.
In the Grains, Bread & Pasta category, wholemeal crispbread (baked) ranks #16 of 121, sorted from alkaline to acid-forming. More alkaline options include Soy bread (+1.6), Whole rye flour (+1.6), Parboiled rice (+1.5). More acid-forming are Crispbread (snack) (+1.7), Rye crispbread (+1.7), White rice (+1.8).
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 wholemeal crispbread
Two slices (100 g) of wholemeal crispbread adds +1.6 to your daily balance. These three bring it back; the grams shown offset exactly this serving.
Frequently Asked Questions
Is wholemeal crispbread 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 crispbread (baked) has a PRAL of +1.6 per 100 g, so it counts as slightly acid-forming in your daily acid-base balance.
How much kale offsets two slices (100 g) of wholemeal crispbread?
Two slices (100 g) of wholemeal crispbread adds +1.6 to your daily balance. Kale (fresh) has −11.7 per 100 g, so about 10 g of kale offset this serving.
Do I have to avoid wholemeal crispbread on an alkaline diet?
No. What counts is the balance of the whole day, not a single food. Wholemeal crispbread is slightly acid-forming; with enough vegetables, potatoes and fruit on the same plate, the meal stays balanced.
Wholemeal Crispbread 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.