This has been useful during when I need to focus at my desk. The caffeine feels manageable, and I appreciate the 50mg per cube.

I bought this for when I need something small in my bag. I like the stackable caffeine dose and the fact that it is small enough to carry anywhere.

I bought this for before my afternoon commute. I like the melts on the tongue and the fact that it is small enough to carry anywhere.

This has been useful during on travel days. The caffeine feels manageable, and I appreciate the 50mg per cube.

I bought this for while running errands. I like no jitters and the fact that it is small enough to carry anywhere.

I was not sure about an energy cube at first, but this is convenient. The lemon lime taste is fresh and a little tangy. It fits better into my day than another drink.

The cube format is clever.

Nice little caffeine option for internship morning. No drink to carry around, which is the main reason I like it. I would keep it in my bag again.

I keep a few with me for long days. They are easy to take, and the lemon lime flavor is bright.

This has been useful during when I do not want a full drink. The caffeine feels steady, and I appreciate the zero calories.

Lemon lime is sharper than blueberry, but still pleasant. I use it when coffee feels like too much. It feels mild but useful, and I like that it has B vitamins.

I keep lemon lime PerkUp next to my laptop. The blister pack is easy to carry.

The cube format is clever. I use it when I need to stay awake without sipping coffee, and the lemon lime flavor makes it feel fresh.

I bought this for between classes. I like no jitters and the fact that it is small enough to carry anywhere.

Good option when coffee feels like too much. The blister pack is easy to carry. The lemon lime taste is clean, and the boost feels mild but useful.

The caffeine feels mild but useful, and I appreciate no jitters.

The lemon lime cubes are easy to keep around. When I feel dragging a bit, one usually helps me feel more awake without feeling overdone.

The cube format is clever. I use it when I need to focus at my desk, and the lemon lime flavor makes it feel fresh.