Betaine Anhydrous is a popular pre-workout supplement that’s earned quite a positive reputation among bodybuilders and athletes.

Betaine for bodybuilding improves hydration, stimulates water-based pumps, improves power, and supports protein synthesis. Furthermore, it’s often compared to creatine.

Betaine is also known as trimethylglycine (or, TMG), and it’s popular among health and wellness users to support heart health.