Product Details Ingredients and Dosage Product Details 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. Ingredients and Dosage Suggested Usage: Take one daily.
Quick view Discontinued Products L-HISTIDINE by Douglas Labs L-HISTIDINE by Douglas LabsL-Histidine 500 mg capsule.L-Histidine supplies 500 mg of the amino acid in each capsule.
Quick view Douglas Labs L-CARNOSINE by Douglas Labs L-CARNOSINE by Douglas LabsL-Carnosine 500 mg capsule.L-Carnosine capsules supply 500 mg of pure L-carnosine. MSRP: Was: Now: $39.00
Quick view Discontinued Products L-ORNITHINE by Douglas Labs L-ORNITHINE by Douglas LabsL-Ornithine 500 mg capsule.L-Ornithine supplies 500 mg of the amino acid in each capsule.
Quick view + Add to Cart The item has been added Douglas Labs L-TRYPTOPHAN by 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... MSRP: Was: Now: $52.20 + Add to Cart The item has been added
Quick view Douglas Labs L-GLUTAMINE by Douglas Labs L-GLUTAMINE by Douglas LabsL-Glutamine 500 mg capsule.L-Glutamine 500 mg capsules contain 500 mg of pure crystalline L-glutamine. MSRP: Was: Now: $14.80
Quick view + Add to Cart The item has been added Douglas Labs L-SERINE by Douglas Labs L-SERINE by Douglas LabsL-Serine 500 mg capsule.L-Serine supplies 500 mg of the amino acid in each capsule. MSRP: Was: Now: $50.80 + Add to Cart The item has been added
Quick view Douglas Labs L-METHIONINE by Douglas Labs L-METHIONINE by Douglas LabsL-Methionine 500 mg capsule.L-Methionine supplies 500 mg of this essential amino acid. MSRP: Was: Now: $28.00
Quick view Discontinued Products L-PROLINE by Douglas Labs L-PROLINE by Douglas LabsL-Proline 500 mg capsule.L-Proline supplies 500 mg of the amino acid L-proline in each capsule.
Quick view Discontinued Products L-THREONINE by Douglas Labs L-THREONINE by Douglas LabsL-Threonine 500 mg capsule.L-Threonine supplies 500 mg of this amino acid in each capsule.