The brand, graded

Bigflex

2 products on the index · average grade B (66/100) · 1 score A–B, 1 score D–F

Bavg 66
best of the lineup
APrime Whey Protein (Coffee)83/100
worst of the lineup
DKing Mammoth Mass Gainer (Chocolate)49/100
what Bigflex shouts
572 kcal per serving
what the math says

Across the lineup the brand averages grade B. Genuinely good. Buy without squinting. 1 of 2 land in D–F territory once you score usable protein, value and hidden sugar, not the headline gram count.

Every Bigflex product, best to worst

1APrime Whey Protein (Coffee)Whey · 71 g/100 g · ₹83/20 g usable832DKing Mammoth Mass Gainer (Chocolate)Mass gainer · 10 g/100 g · ₹147/20 g usable49
Compare every brand on the index →How much protein do you need?

Graded by math, not brands. Macros are label/brand-listed (June 2026); not medical advice.