NO3-T is a manufacturer-made betaine nitrate product. It pairs trimethylglycine (betaine) with a nitrate group. Marketers position it as a nitric oxide precursor for pre-workout use. The betaine portion may participate in homocysteine metabolism and supply methyl groups. This separates it from simple dietary nitrates like beetroot juice. Claims of faster uptake and less stomach upset compared to other nitrate salts come from the maker, not from independent clinical trials.
People use this capsule or powder supplement before exercise, hoping to improve blood flow and output. Solid proof that betaine nitrate actually lifts nitric oxide or sports performance is missing. Peer-reviewed data on the compound are scarce.
Watch for interactions with blood pressure drugs and PDE5 inhibitors.