Berserker Amino Energy by Viking Supps, a intra-workout supplement, shares 100% of its ingredient profile with Shark Attack by Viking Shark Industries, a pre-workout supplement. A side-by-side ingredient comparison is provided below.

Complete Product Comparison: Berserker Amino Energy vs Shark Attack

Ingredient Berserker Amino Energy Shark Attack
Serving Size 1 scoop (9g) 1 scoop (9g)
chicory root (inulin) 2g 2g
vitamin a 55.8mcg 111.6mcg
taurine Amount not listed. Amount not listed.
glutamine Amount not listed. Amount not listed.
arginine Amount not listed. Amount not listed.
branched chain amino acids Amount not listed. Amount not listed.
l-citrulline Amount not listed. Amount not listed.
tyrosine Amount not listed. Amount not listed.
l-theanine Amount not listed. Amount not listed.
histidine Amount not listed. Amount not listed.
lysine Amount not listed. Amount not listed.
threonine Amount not listed. Amount not listed.
caffeine Amount not listed. Amount not listed.
theobromine Amount not listed. Amount not listed.
green tea extract Amount not listed. Amount not listed.