GHB (gamma-hydroxybutyrate) is produced naturally in the human body in very small amounts. When taken as a recreational drug, and especially when taken in combination with alcohol or other drugs, GHB can be extremely dangerous. GHB is a central nervous system depressant.
International flights always allow carry-on luggage, but each airline has its own restrictions as to quantity, size and weight. Some international carry-on policies restrict bag weights to 11 lbs. or less, while domestic flights rarely have a weight limit.
Checked in baggage limit (weight and number of pieces) for passenger travelling to US? How Delta airlines can track your checked baggage? Can the cabin baggage weight limit be exceeded by 2-3 kgs for international travel (via Emirates flight) ? Do International airlines allow beauty creams in carry on baggage? How much carry-on baggage is permitted in Emirates Airlines for international student travelers?