Amino Acids

Thorne Research L-Tyrosine 500 mg - 90 capsules

Description Dietary Supplement Mood Thyroid Support Gluten Free Tyrosine is an amino acid precursor for synthesis of the neurotransmitters norepinephrine and dopamine. By improving the rate of neurotransmitter synthesis, tyrosine...

Jarrow Acetyl-l-Carnitine 500 mg - 60 capsules

Description Antioxidant Protection for the Brain Dietary Supplement Non GMO Certified by NSF Suitable for Vegetarians/Vegans Acetyl L-Carnitine is an amino acid found in most cells in the body, including brain, nerve, heart, liver and...

Pure Encapsulations L-Arginine 700 mg - 90 vcaps

The amino acid precursor of nitric oxide associated with promoting cardiovascular health, immune support, sexual function, and memory* l-Arginine supports nitric oxide formation, important for healthy dilation of blood vessels, circulation, and blood...

Doctor's Best 5-HTP Enhanced with Vitamins B6 & C - 120 capules

Description Science-Based Nutrition Dietary Supplement Helps Support Mental and Emotional Well-Being Vegan Non-GMO Gluten Free Soy Free Doctor's Best 5-HTP (5-hydroxy L-tryptophan) contains a naturally occurring metabolite of the amino...