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.
If you have these symptoms and youâre not sure if you have low stomach acid, please read this: Hypochlorhydria: 3 Common Signs of Low Stomach Acid. It seems counter-intuitive, but supplementing with Hydrochloric Acid (HCl) in the form of Betaine HCl can dramatically help people with low stomach acid.