Betaine HCl

Tier 2 — promising · Low stomach acid · Digestion · Protein absorption

Temporarily increases stomach acid to help your body digest protein more effectively. Useful for people with confirmed low stomach acid, which is common in older adults and those on long-term acid-blocking drugs. Do not use with anti-inflammatory painkillers or if you have stomach ulcers. Start with a low dose to test your tolerance.

Dose: 650–2,000 mg with protein-containing meals; do not use with NSAIDs or if you have ulcers