Betaine – what is it, what does it help with, and what are its side effects?

Justyna Kąkol

Publication: 09-06-2026

Betaine may sound like an ingredient on a sports supplement label, but it is actually a compound very well known to the human body. It is a derivative of the amino acid glycine, which performs many important functions in the body and participates in key metabolic reactions. It occurs naturally in certain foods, including beetroot, spinach, wheat and seafood. What is betaine and what properties does it exhibit? Can supplementing with it genuinely bring health benefits? What contraindications exist for taking this compound?

Justyna Kąkol

Master of European Studies

Graduate of licentiate studies in Polish philology at the University of Rzeszow and master studies in European studies at the University of Warsaw. For over 10 years, she has been creating content on health, dietetics and medicine. Passionate about a healthy lifestyle, physical activity and a rational approach to diet. In her spare time, she enjoys preparing delicious, nutritious meals and spending time with family.