Douglas Labs' L-Tryptophan, an amino acid, is made from plants and animal sources. It is often used in supporting a healthy sleep pattern. L-Trypto...

Derived from corn dextrose fermentation, L-Tryptophan capsules by Pure Encapsulations is a dietary supplement that supports serotonin synthesis. Th...

L-Tryptophan by Professional Formulas is a practitioner-grade amino acid supplement in liquid form providing L-tryptophan, an essential amino acid ...

L-Tryptophan by Klaire Labs is an essential amino acid that helps improve mood, supports calmness, and improves sleep quality. L-tryptophan serves ...

L-Tryptophan is the essential amino acid that acts as a precursor to 5-HTP, serotonin, melatonin, and niacin. Tryptophan assists with normal sleep ...

L-Tryptophan 500 mg by Protocol For Life Balance is a dietary supplement designed to promote a positive mood and support a restful night's sleep. T...

L-Tryptophan High by Professional Formulas is a practitioner-grade amino acid supplement in liquid form providing a high-concentration L-tryptophan...

L-Tyrosine 150 gms by Ecological Formulas is a dietary supplement providing L-Tyrosine — a conditionally essential amino acid that serves as a prec...

If you’re looking to support overall wellness, L-Tyrosine 2 oz by Professional Formulas is designed to fit into a practitioner-informed wellness ro...

Tyrosine is a fundamental amino acid that provides strength and nourishment to several organs in the body while fortifying the immune system. Aller...

L-Tyrosine 500 mg by Jarrow Formulas is a dietary supplement designed to support the proper synthesis of brain neurotransmitters for healthy cognit...

L-Tyrosine 500 mg by Klaire Labs is a dietary supplement providing L-tyrosine USP — an amino acid precursor to catecholamine neurotransmitters and ...

L-Tyrosine 500 mg 120 caps was created in order to give neurotransmitter support to the one taking it, and it is manufactured by NOW. It is made up...

L-Tyrosine 500 mg from Progressive Labs is a dietary supplement designed to support healthy functioning of the adrenal, thyroid and pituitary gland...

L-Tyrosine 500 mg by Pure Encapsulations is a dietary supplement providing L-Tyrosine — a conditionally essential amino acid that serves as a precu...

If you’re looking to support overall wellness, L-Tyrosine High 2 oz by Professional Formulas is designed to fit into a practitioner-informed wellne...

L-Valine by Professional Formulas is a practitioner-grade amino acid supplement in liquid form providing L-Valine, an essential branched-chain amin...

L. Acidophilus SCD Compliant by Klaire Labs contains Lactobacillus acidophilus, a well researched, colonizing microorganism in the small intestine....

Lachesis mutus 200CK by Boiron is a homeopathic single remedy in pellet form (Lachesis mutus 200CK HPUS) traditionally used to temporarily relieve ...

Homeopathic. Main Indication: Hot flashes associated with menopause• Common Name: Bushmaster's venom

Lachesis Mutus 30X by True Botanica is a homeopathic single remedy in granule form, prepared according to strict HPUS homeopathic guidelines — trad...

Lact-Enz® combines lactic acid producing bacteria with enzymes to support healthy digestive function: Beneficial bacteria for a healthy gastro...