Are Sunflower Seeds Acidic or Alkaline?
Sunflower seeds (raw) are acid-forming: Positive PRAL: acid-forming after digestion.
Classification
Despite their magnesium, sunflower seeds are acid-forming at +11.9, because the seeds' phosphorus and protein clearly win out. That's typical of oilseeds. A 20 g handful over your salad adds about +2.4, which a 200 g tomato salad at about −8 easily offsets.
In the Nuts & Seeds category, sunflower seeds (raw) rank #26 of 29, sorted from alkaline to acid-forming. More alkaline options include Almonds (+10.5), Brazil nuts (+8.0), Roasted cashews (salted) (+7.2). More acid-forming are Tahini (+12.3), Pumpkin seeds (+17.0), Hemp seeds (+35.0).
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 sunflower seeds
A handful (30 g) of sunflower seeds adds +3.6 to your daily balance. These three bring it back; the grams shown offset exactly this serving.
Frequently Asked Questions
Are sunflower seeds 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: Sunflower seeds (raw) have a PRAL of +11.9 per 100 g, so they count as acid-forming in your daily acid-base balance.
How much kale offsets a handful (30 g) of sunflower seeds?
A handful (30 g) of sunflower seeds adds +3.6 to your daily balance. Kale (fresh) has −11.7 per 100 g, so about 30 g of kale offset this serving.
Do I have to avoid sunflower seeds on an alkaline diet?
No. What counts is the balance of the whole day, not a single food. Sunflower seeds are acid-forming; with enough vegetables, potatoes and fruit on the same plate, the meal stays balanced.
Sunflower Seeds logged, balance checked.
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Compare all Nuts & Seeds: Nuts & Seeds 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.