Proof of Identity. Proof of identity must be presented with all passport applications. Acceptable forms of identification include a passport, naturalization certificate, driver's license, military ID card or other current government-issued ID. A photocopy of the identity documents also must accompany the passport application.
Betaine, or TMG, is also involved in the manufacture of carnitine, and helps protect the kidneys from damage. Betaine HCl, or betaine hydrochloride, is an supplemental, chloride-salt form of betaine that is useful as a digestive aid.
Beta-alanine is a non-essential amino acid. Non-essential amino acids can be made by the body, so they donât have to be provided by food. Amino acids are the building blocks of proteins. Beta-alanine is used for improving athletic performance and exercise capacity, building lean muscle mass, and improving physical functioning in the elderly.