Betaine anhydrous (trimethylglycine) at 1.6g as a pure powder. This is typically used for exercise performance (power output, body composition). The dose is below the commonly studied 2.5g but provides a meaningful amount. Pure powder form gives dosing flexibility. Clean single ingredient. For the price, this is a decent entry point for betaine supplementation.
The set is generated, never written by the brand.
NOW Foods NOW Betaine HCl: the formulation holds up. Lead: Betaine Anhydrous at 1.6 g. Betaine anhydrous (trimethylglycine) at 1.6g as a pure powder. Clinical dose on the primary, and the panel holds together.
Muscle power and endurance support. This provides 1600mg of pure betaine anhydrous, which is a great start for improving power and heart health. It doesn't quite reach the 2.5 gram dose used in the most famous athletic studies, so serious lifters might want to take a bit more. It is a no frills option that does exactly what it says on the bottle.
1 of 1 shown, 1 dose at what the trials used

This read comes from the product's own supplement facts panel. Every dose was cross-referenced with published clinical trials to see whether it matches what the studies actually used.

