Pines Wheat Grass is much more nutritionally complete. Fresh wheat grass juice, while highly regarded by many for its potential therapeutic value, simply isn't given the time to develop fully, and can't compare with wheat grass grown the way nature intended. Some people prefer the taste of wheat grass, some prefer the taste of barley grass, but their nutritional levels are virtually identical when they are grown under the same conditions. I'm allergic to wheat. Almost certainly, yes.
Wheat allergies are usually a reaction to the gluten found in the wheat berry.
And wheat grass has no gluten. Still, it's always recommended that doctors are consulted before adding anything new to the diet of a person with allergies.