Amino Acids

Amino acids, commonly known as the building blocks of life, are the molecules that we all need to make protein and carry out many of the body’s functions. Support your active lifestyle or get targeted support for specific health concerns such as sleep, immune support, and relaxation.

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100% Natural GABA 100 mg, Stress-Relax, Natural Factors|v|image|2836

100% Natural GABA 100 mg

Provides fast-acting relief for nervousness and acute stress Learn More
100% Natural GABA 100 mg, Tropical Fruit, Stress-Relax, Natural Factors|v|image|2842

100% Natural GABA 100 mg Tropical Fruit

Provides fast-acting relief for nervousness and acute stress Learn More
100% Natural GABA 250 mg, Stress-Relax, Natural Factors|v|image|2848

100% Natural GABA 250 mg

Provides fast-acting relief for nervousness and acute stress Learn More
5-HTP 100 mg, Natural Factors|v|image|2825

5-HTP 100 mg Time Release Caplets

Helps promote healthy mood balance Learn More
5-HTP 50 mg, Natural Factors|v|image|2824

5-HTP 50 mg Time Release Caplets

Supports emotional well-being Learn More
Acetyl-L-Carnitine 500 mg, Natural Factors|v|image|2800

Acetyl-L-Carnitine 500 mg

Boosts physical and mental energy Learn More
L-Arginine 1000 mg, Natural Factors|v|image|2802

L-Arginine Amino Acid 1000 mg Tablets

Supports protein synthesis Learn More
L-Arginine 500 mg, Natural Factors|v|image|2821

L-Arginine Amino Acid 500 mg Vegetarian Capsules

Supports protein synthesis Learn More
L-Carnitine 500 mg, Natural Factors|v|image|2801

L-Carnitine 500 mg

Helps maintain healthy body composition Learn More
L-Carnosine 500 mg, Natural Factors|v|image|2805

L-Carnosine 500 mg

Supports cellular rejuvenation Learn More
L-Lysine 1000 mg, Natural Factors|v|image|2859

L-lysine Amino Acid 1000 mg

Helps reduce recurrence, severity, and healing time of cold sores Learn More
L-Lysine 500 mg, Natural Factors|v|image|2858

L-Lysine Amino Acid 500 mg

Helps reduce recurrence, severity, and healing time of cold sores Learn More
L-Taurine 1000 mg, Natural Factors|v|image|2864

L-Taurine 1000 mg

Helps support cardiovascular function Learn More
L-Taurine 3 g Powder, Natural Factors|v|image|2880

L-Taurine Powder

Helps support cardiovascular function Learn More
L-Theanine 250 mg, Natural Factors|v|image|2866

L-Theanine 250 mg

Helps to temporarily promote relaxation Learn More
L-Tryptophan 220 mg, Natural Factors|v|image|2863

L-Tryptophan 220 mg

Helps build lean muscle in active people Learn More
L-Tyrosine 5 g 250 g Powder, image-hi-res

L-Tyrosine 5 g Powder

Free-form amino acid Learn More
L-Tyrosine 500 mg, Natural Factors|v|image|2803

L-Tyrosine 500 mg

Free-form amino acid Learn More
Magnesium Bisglycinate 100 mg plus L-Theanine 125 mg, Natural Factors|v|image|2867

Magnesium Bisglycinate 100 mg plus L-Theanine 125 mg

Helps temporarily promote relaxation and support normal muscle function Learn More
Magnesium Bisglycinate plus L-Theanine 250 mg, Natural Factors|v|image|2868

Magnesium Bisglycinate 100 plus L-Theanine 250 mg

Helps temporarily promote relaxation and support normal muscle function Learn More
Mental Calmness 125 mg, Stress-Relax, Natural Factors|v|image|4830

Mental Calmness 125 mg

Promotes deep relaxation and mental clarity Learn More
Mental Calmness 100 mg, Stress-Relax, Natural Factors|v|image|2832

Mental Calmness L-Theanine 100 mg Chewable

Promotes deep relaxation and mental clarity Learn More
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