With Vitamin B6 to support energy levels.

Depending on excercise intensity, Carntine is a specific role:
High-intensity: acts as buffer of lactate.
Low-intensity: enables the transport of long-chain fatty acids into the mitochondria

Carnitine is an amino acid.

Vitamin B6 in CARNITINE 1000 contributes to normal energy-yielding metabolism and the energy in the muscles, which is particulary important during training / sports performance.