1. Plural of betaine; organic compounds containing a positively charged nitrogen atom, found naturally in plants and animals, often used in supplements and cosmetics.
Usage: chemistry; biochemistry; technical

Examples

• Betaines are naturally occurring compounds found in sugar beets and other plants.
• Many sports supplements contain betaines to support muscle function and endurance.
• The research focused on how betaines affect cellular hydration and performance.
• Betaines play an important role in methyl group transfer in cellular metabolism.
• Cosmetic products often include betaines as humectants to retain moisture in skin.