A safety straw comprising a barrier for use with or incorporated as part of a straw, wherein the straw comprises a bendable segment, and wherein the barrier prevents the straw from being inserted too far into a person's mouth. The barrier comprises a mouthpiece that retains the conventional shape of a straw and is preferably molded as a unit with the straw. Alternatively, the barrier may be separately formed and installed on an existing straw. Further, the barrier may comprise a circular disk with a hole in the center thereof. To use, a user inserts the straw with the barrier into their mouth, wherein the barrier prevents the user from inserting the straw too far into their mouth.