Is Frozen Lasagna Acidic or Alkaline?
Frozen lasagna (prepared) is slightly acid-forming: Positive PRAL: acid-forming after digestion.
Classification
Frozen lasagna comes in at +1.6, surprisingly mild for a dish with ground meat and cheese. The reason is the tomato sauce, whose potassium offsets much of the protein from the meat, béchamel and cheese. A 400 g serving adds only a good +6, though the PRAL value says nothing about salt and fat.
In the Meals & Fast Food category, frozen lasagna (prepared) ranks #53 of 118, sorted from alkaline to acid-forming. More alkaline options include Pizza vegetarian (+1.6), Onion tart (with bacon) (+1.5), Chili con carne (+1.3). More acid-forming are Cannelloni (ricotta-spinach) (+1.8), Bouillabaisse (+1.9), Hummus (+2.2).
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 frozen lasagna
A meal (300 g) of frozen lasagna adds +4.9 to your daily balance. These three bring it back; the grams shown offset exactly this serving.
Frequently Asked Questions
Is frozen lasagna 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: Frozen lasagna (prepared) has a PRAL of +1.6 per 100 g, so it counts as slightly acid-forming in your daily acid-base balance.
How much lamb's lettuce offsets a meal (300 g) of frozen lasagna?
A meal (300 g) of frozen lasagna adds +4.9 to your daily balance. Lamb's lettuce (fresh) has −8.3 per 100 g, so about 60 g of lamb's lettuce offset this serving.
Do I have to avoid frozen lasagna on an alkaline diet?
No. What counts is the balance of the whole day, not a single food. Frozen lasagna is slightly acid-forming; with enough vegetables, potatoes and fruit on the same plate, the meal stays balanced.
Frozen Lasagna logged, balance checked.
Basentracker adds up every meal automatically and shows whether your day is in the alkaline range. The same values as on this page, all 977 foods, photo scan, recipes.
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Compare all Meals & Fast Food: Meals & Fast Food 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.