American and Russian space flights have always included chocolate

Beef, tenderloin, separable lean only, trimmed to 1/4" fat, all grades, cooked, roasted
» Beef Products

:
Energy Fat
22.1 size D batteries 0.3 butter sticks

A serving of 251.0g contains 557kcal, representing ± 22.1 batteries*.

A aged requires 2700kcal (107.3 batteries*) a day.

* size D, 1.5V, 19500mAh

A serving of 251.0g contains 28.81g fat, which is comparable to ± 0.3 butter sticks.