Supports neurotransmitter production — Ostrovit L-Tyrosine 500, Promotes mental alertness and focus — Ostrovit L-Tyrosine 500, Helps maintain healthy mood and cognitive function — Ostrovit L-Tyrosine 500, Essential amino acid for protein synthesis — Ostrovit L-Tyrosine 500

Supports neurotransmitter production — Swanson L-Tyrosine AjiPure 500mg, Promotes mental alertness and focus — Swanson L-Tyrosine AjiPure 500mg, Helps maintain healthy mood and cognitive function — Swanson L-Tyrosine AjiPure 500mg, Essential amino acid for protein synthesis — Swanson L-Tyrosine AjiPure 500mg