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, One of the Benefits of Beet Juice. Beets are especially rich in a micronutrient called betaine or trimethylglycine (TMG). Betaines are helpful for the elimination of toxins and the reduction of the amino acid homocysteine, linked to improved heart health.