This supplement can aid digestion if you have low stomach acid

Betaine HCl is currently known to help with digestion when a person has low stomach acid. However, it is also being researched for other potential benefits. — 123rf.com

Betaine hydrochloride, also known as betaine HCl or trimethylglycine hydrochloride, is a chemical compound derived from the amino acid glycine.

It is commonly used as a dietary supplement and as an ingredient in some over-the-counter (OTC) digestive enzyme preparations.