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.
Your child can also use cash to buy a ticket at an airport, an. airlineâs city ticket office, or a travel agency. â¢ As noted below, at age 15 most airlines will allow a child to fly alone on. domestic flights without any unaccompanied-minor procedures. Some airlines. permit this for kids as young as 12.