Proven EAAs by Gaspari Nutrition, a post-workout supplement, shares at least 75% of its ingredient profile with R1 Essential Amino 9 Energy by Rule 1, a pre-workout supplement. A side-by-side ingredient comparison is provided below.

Complete Product Comparison: Proven EAAs vs R1 Essential Amino 9 Energy

Ingredient Proven EAAs R1 Essential Amino 9 Energy
Serving Size 1 scoop (13g) 1 scoop (11.5g)
sodium 30mg 160mg
calcium 40mg not in product
magnesium 20mg Amount not listed.
branched chain amino acids 6g 5g
lysine 750mg 900mg
threonine 750mg 850mg
methionine 750mg 150mg
phenylalanine 500mg 450mg
tryptophan 125mg 50mg
histidine 125mg 100mg
potassium 510mg Amount not listed.
chloride not in product 460mg
caffeine not in product 125mg