Discontinued Products
L-HISTIDINE by Douglas LabsL-Histidine 500 mg capsule.L-Histidine supplies 500 mg of the amino acid in each capsule.
Discontinued Products
L-ORNITHINE by Douglas LabsL-Ornithine 500 mg capsule.L-Ornithine supplies 500 mg of the amino acid in each capsule.
Douglas Labs
L-SERINE by Douglas LabsL-Serine 500 mg capsule.L-Serine supplies 500 mg of the amino acid in each capsule.
Douglas Labs
L-METHIONINE by Douglas LabsL-Methionine 500 mg capsule.L-Methionine supplies 500 mg of this essential amino acid.
Discontinued Products
L-PROLINE by Douglas LabsL-Proline 500 mg capsule.L-Proline supplies 500 mg of the amino acid L-proline in each capsule.
Discontinued Products
L-THREONINE by Douglas LabsL-Threonine 500 mg capsule.L-Threonine supplies 500 mg of this amino acid in each capsule.
Douglas Labs
L-THEANINE by Douglas LabsPromotes a feeling of calmness.L-Theanine supplies 100 mg of pure L-theanine in each vegetarian capsule. L-Theanine is an amino acid that may promote a sense of calmness.
Douglas Labs
L-TRYPTOPHAN by Douglas LabsL-Tryptophan is an essential amino acid and a precursor for the synthesis of serotonin. Tryptophan crosses the blood-brain barrier and is converted to...
Douglas Labs
L-GLUTAMINE by Douglas LabsL-Glutamine 500 mg capsule.L-Glutamine 500 mg capsules contain 500 mg of pure crystalline L-glutamine.
