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Benefits of Amino Acid Supplements

N-acetyl cysteine (NAC) is a supplement form of cysteine. Cysteine is found in most high-protein foods, such as sunflower seeds and legumes. Consuming adequate cysteine and NAC is important for a variety of health reasons — including replenishing the most powerful antioxidant in your body, glutathione. These amino acids also help with chronic respiratory conditions, fertility and brain health. NAC helps detoxify your body and can treat acetaminophen overdoses.

N-acetylcysteine may provide better control of diabetes by increasing a person's sensitivity to insulin. By increasing glucose tolerance, N-acetylcysteine may prevent people with prediabetes from progressing to diabetes. Daily use of N-acetylcysteine was found to reduce hypertension (high blood pressure), a major factor for atherosclerosis.

Recent studies suggest that NAC may decrease drug-seeking behavior and cravings in adults who seek treatment. The results of studies examining NAC for treating cocaine use and methamphetamine. It also decreases alcohol-seeking, withdrawal symptoms and prevent toxicity.


L-Methionine is an essential amino acid found in the body used to make proteins and peptides. It’s found in seaweed, spirulina, sesame seeds, brazil nuts, oats and sunflower butter. Supplementing has been shown to help heal wounds and those experiencing Parkinson’s, drug withdrawal, schizophrenia, radiation, copper poisoning, asthma, allergies, alcoholism, liver damage and depression. May help reduce risk of colorectal cancer, build bone strength and aid in weight loss.

Methionine is a sulfur-containing amino acid that improves the tone and elasticity of the skin, promotes healthy hair and strengthens the nails. It slows down the aging process.


L-Histidine facilitates growth, the creation of blood cells, and tissue repair. It also helps maintain the special protective covering over nerve cells, which is called the myelin sheath. The body metabolizes histidine into histamine, which is crucial for immunity, reproductive health, and digestion. Histidine is found in soy, beans, nuts, seeds and whole grains. It eases symptoms of rheumatoid arthritis, has antifungal properties and combats anemia. A study showed L-histidine taken by mouth daily for eight weeks reduced eczema symptom severity, and that effect was comparable to a mid-level topical steroid.


L-Threonine is an immunostimulant which enhance growth of thymus gland. It could promote cell immune defense function. This amino acid is useful for treating genetic spasticity disorders, multiple sclerosis and reinforces cardiovascular, central nervous, liver and immune system function. It's found in spirulina and beans (soy, winged, lupin, kidney, hyacinth, mungo, lima, yardlong and navy). L-threonine protects the digestion tract, supports liver function, muscles, bones and connective tissues. It also relieves signs of anxiety and depression, helps improve sleep, mental performance, mood and memory.


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