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.
Every airline has its own rules about minors and whether they can fly alone. Some airlines allow minors to fly alone at age 12; on other airlines it's age 15. Minors only need the cash to pay for a ticket at an airport ticket counter or a credit or debit card if booking online. With a passport, a child can even travel across international borders.