2.2lb bulksupplements creatine ($43.96, 200 servings) = ~$0.22 per serving

(deal currently on amazon, 10% off two) 2x bulksupplements creatine ($79.13, 400 servings) = ~$0.20 per serving

1.31lb optimum nutrition creatine powder ($52.72, 120 servings) = ~$0.44 per serving

2.2lb myprotein creatine monohydrate ($76.99, 200 servings) = ~$0.38 per serving

2.2lb nutricost creapure creatine monohydrate ($57.95, 200 servings) = ~$0.29 per serving

2.2lb nutricost micronized creatine monohydrate ($44.95, 200 servings = $0.22 per serving

(deal currently on amazon, 10% off two) 2x nutricost micronized creatine monohydrate ($80.91, 400 servings) = $0.20 per serving

---------creatine for horses (wink wink)--------------

creatine 5k ($699.99, 2270 servings) = ~$0.31 per serving

Looks perfectly fine. Reviews on Amazon look good:

https://www.amazon.com/MyProtein-Creatine-Monohydrate-1000g-2-2/dp/B073KQL91T