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.
5) Betaine HCL. Our bodies require adequate levels of stomach acid in order to help us digest our food (particularly protein) and help absorb nutrients from the food we eat. If we are experiencing low levels of stomach acid due to stress for example, we may suffer from digestive symptoms as a result, such as bloating.