These are the best! By far the best vitamin pack I've EVER used.I think no one uses them because the are so much! Inside each pack there are several pills, the be-defined( for toning) , be-energized (fat burner) and be-enhanced ( daily vitamin). There are 30 packs in each box of Be-Hot and they can be expensive. Running you 40.00 a box, and you can only get them at GNC. I love the fact that they are a sports vitamin geared towards woman. Everything from the packaging, the names of the vitamins to the way they are formulated is all geared towards an athletic woman! I take them about an hour before I run and I can completely tell the difference in my performance. I feel more energized and I can push a bit more. Take one of these vitamin packs and a power gel and you will be running forever! (no lie!). Perhaps it's all in my head, but that's half the issue right?