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.
Betaine Plus HP capsules contain two main ingredientsâ which are: 1  Hydrochloric acidâhelps aid proper digestionâ while killing harmful bacteria in your stomach. 2  Pepsinâan important digestive enzymeâ which is mainly responsible for breaking down proteins.