Amino Acids

Suntheanine® L-Theanine 125 mg

Suntheanine® L-Theanine

Suntheanine® contains pure L-Theanine, a unique amino acid found in green tea that is emerging as the premier natural product to support mental calmness and relaxation.* Suntheanine® is produced via a proprietary enzymatic process, guaranteeing essentially pure L-Theanine for maximum effectiveness.*
5-HTP 50 mg

5-HTP

Supplementing with 5-HTP provides natural support for emotional well-being, and caplets are enteric coated to minimize gastric discomfort and optimize absorption.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
5-HTP 100 mg

5-HTP

Supplementing with 5-HTP provides natural support for emotional well-being, and caplets are enteric coated to minimize gastric discomfort and optimize absorption.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
5-HTP 100 mg

5-HTP

Supplementing with 5-HTP provides natural support for emotional wellbeing, and caplets are enteric coated to minimize gastric discomfort and optimize absorption. *Natural Factors amino acids are the highest quality pharmaceutical grade products available.
Acetyl-L-Carnitine 1000 mg

Acetyl-L-Carnitine

Acetyl-L-Carnitine helps transform fats into energy and promotes normal and healthy brain function, including memory and concentration.* It also supports normal muscle movement.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
L-Arginine 1000 mg

L-Arginine

L-Arginine is an amino acid that has been shown to support the cardiovascular system and promote vigorous heart function.* It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen.* It is required in the formation of Nitric Oxide (NO) to enhance healthy circulation throughout the body.* Natural Factors amino acids…are the highest quality pharmaceutical grade products available.
L-Carnitine 500 mg

L-Carnitine

L-Carnitine is an amino acid that helps transform fats into energy and supports normal and healthy heart, liver and vascular function.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
L-Carnosine 500 mg

L-Carnosine

L-Carnosine supports healthy aging and cellular rejuvenation.* It occurs naturally in muscle and brain and is critical to the proper functioning of these tissues and others.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
L-Lysine 1000 mg

L-Lysine

L-Lysine is an essential amino acid necessary for growth, development, tissue maintenance, and repair.* L-Lysine supports a healthy immune system and is one of the nine essential amino acids that the body needs to manufacture proteins.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
L-Tyrosine 1000 mg

L-Tyrosine

L-Tyrosine plays an important role in producing dopamine and noradrenaline, which are helpful for stress management.* It helps transform fats into energy and promotes normal and healthy brain function including memory and concentration.* It also supports normal muscle movement.* Natural Factors amino acids are the highest quality pharmaceutical grade products…available.
LTyrosine 750 mg

LTyrosine

L-Tyrosine plays an important role in producing dopamine and noradrenaline, which are helpful for stress management.* It helps transform fats into energy and promotes normal and healthy brain function including memory and concentration.* It also supports normal muscle movement.* Natural Factors amino acids are the highest quality pharmaceutical grade products…available.
Micronized L-Glutamine 500 mg

Micronized L-Glutamine

Micronized L-Glutamine supports muscle tissue and mass after physical activity and immune system function.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
Micronized L-Glutamine 1000 mg

Micronized L-Glutamine

Micronized L-Glutamine supports muscle tissue and mass after physical activity and immune system function.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
N-Acetyl-L-Cysteine 500 mg

N-Acetyl-L-Cysteine

NAC (N-Acetyl-L-Cysteine) is a highly stable form of cysteine that provides antioxidant support and is especially beneficial for active people, the elderly and those exposed to polluted environments.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
Micronized L-Glutamine 5000 mg

Micronized L-Glutamine

L-Glutamine has no taste and mixes easily in water or your favorite beverage. Micronized L-Glutamine supports muscle tissue and mass after physical activity and immune system function.* Micronized technology greatly minimizes the particle size, allowing higher absorption. Natural Factors amino acids are the highest quality pharmaceutical-grade…products available.
NAC (N-Acetyl-L-Cysteine)

NAC (N-Acetyl-L-Cysteine)

N-Acetyl-L-Cysteine (NAC) is a highly stable form of cysteine and is a precursor in the body to the critical antioxidant glutathione. It provides antioxidant support and helps to promote healthy immune system function.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.