Even with a fast digesting protein such as whey, it can take hours for the leucine in whey to be liberated from the protein & enter circulation; therefore leucine concentrations in the plasma never spike to high levels.
Rating Newest Oldest. Best Answer: The absolute minimum age for flying alone on major airlines in 5 years old. Passengers who are ages 5-14 and are flying alone (without a companion who is at least 15 years of age) are considered Unaccompanied Minors (UM's). Passengers whose ages range from 15-17 are considered Young Adults and do not have to use the UM service, but can if they would like to.
Older kids -- ages 12 through 15 -- may not be routinely escorted, but you can request this assistance. Anyone under the age of 17 who is flying alone on an international flight must have a signed note from a parent or responsible adult giving permission, destination and length of stay. Minors must be met at the destination by another parent or responsible adult. Source(s): debwils_4kids Â· 9 years ago.