"All right" really means "all are correct". If you are talking about if I (e.g.) "feel alright", then this spelling would be correct.

Without detracting from mackenzie's entirely accurate answer, it should also be noted that there is growing evidence of daily consumption (as with all caffeine drinks) confusing amino acid secretions, affecting natural energy levels, and disrupting other areas such as sleep patterns. As little as one a day, if consistently taken as such, will have this … Read more