Also known as: Betaine hydrochloride, Trimethylglycine HCl
Betaine HCl is a supplemental form of hydrochloric acid used to support stomach acid levels. It is primarily used by individuals with hypochlorhydria (low stomach acid), which can impair protein digestion and nutrient absorption.
Betaine HCl delivers supplemental hydrochloric acid to the stomach, aiming to restore the acidic environment essential for proper protein digestion, mineral absorption (especially calcium, iron, and vitamin B12), and antimicrobial defense against ingested pathogens. Hypochlorhydria is common in older adults, users of proton pump inhibitors, and individuals with autoimmune gastritis. While clinical trials specifically on betaine HCl supplementation are limited, the physiological rationale is well-established, and it is widely used in integrative medicine. It is typically taken with protein-containing meals and is often combined with pepsin for enhanced proteolytic activity.
By restoring stomach acidity, betaine HCl may improve the digestion of protein and the absorption of acid-dependent nutrients like iron, calcium, and vitamin B12.
Individuals with confirmed hypochlorhydria report improvements in bloating, belching, and postprandial discomfort with betaine HCl supplementation.
At the start of meals containing protein
Start with the lowest dose and increase gradually. Discontinue if burning or discomfort occurs. Do not use with NSAIDs or if you have ulcers.
Mealtime supplementation for protein digestion
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