Yes! The manufacturer claims that this product is vegan, making it suitable for pescatarian eaters as well.

Is Organic White Rye Flour, 1 Pound — Non-GMO, Kosher, Raw, Vegan — by Food to Live Pescatarian?

Yes! The manufacturer claims that this product is vegan, making it suitable for pescatarian eaters as well.
Pescatarian? Organic White Rye Flour, 1 Pound — Non-GMO, Kosher, Raw, Vegan — by Food to Live | Spoonful