Ingredient

L-Phenylalanine

Research dose

There's no research dose we grade L-Phenylalanine against, so it's shown on product pages as “not graded”.

Every ingredient we don't grade, and why.

In the pre-workouts we've checked

ProductPer scoopVerdict
Nutrex Outlift350 mgNot graded
BSN N.O.-XplodeIn a blendHidden in a blend
RSP Nutrition AminoLeanIn a blendHidden in a blend