600 mg 60 capsules, Item# 00215
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L-cysteine is a conditionally essential amino acid, one of only three sulfur-containing amino acids, the others being taurine (which can be produced from L-cysteine) and L-methionine (from which L-cysteine can be produced in the body by a multi-step process). Cysteine plays a role in the sulfation cycle, acting as a sulfur donor in phase II detoxification and as a methyl donor in the conversion of homocysteine to methionine.105,106 Cysteine also helps synthesize glutathione, the body’s most important intracellular antioxidant and a vital detoxifier.107-111
N-acetyl-L-cysteine (NAC) is the acetylated form of L-cysteine that has been used to break up pulmonary and bronchial mucous.112,113 It is very efficiently absorbed and has been shown to protect cells directly and support the immune system.114-122 NAC is an antioxidant and a free radical-scavenging agent that increases intracellular glutathione at the cellular level. NAC can act as a precursor for glutathione synthesis as well as a stimulator of the cytosolic enzymes involved in glutathione regeneration.123 NAC has been shown to protect against oxidative stress-induced neuronal death in cultured granule neurons.124
Serving Size 1 capsule
Servings Per Container 60
N-acetyl-L-cysteine
600 mg
Other ingredients: gelatin, vegetable stearate, silica.
This product contains NO milk, egg, fish, peanuts, crustacean shellfish (lobster, crab, shrimp), soybeans, tree nuts, wheat, yeast, gluten, corn, or rice. Contains NO sugar, and no artificial sweeteners, flavors, colors, or preservatives.
Those who supplement with NAC should drink six to eight glasses of water daily to prevent cysteine renal stones. Cysteine renal stones are rare but do occur.
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(1 of 1 customers found this review helpful)
High quality product
By heaven sent
from anchorage, alaska
About Me Regular User
Comments about Life Extension N-acetyl-L-Cysteine, 600 mg 60 capsules:
Very reliable results. Use for lung health.
Comment on this review
I would and will buy this product again
By "G"
from Midlothian, Va.
About Me First Time User
I use this product along with Inositol Caps 1000mg to help with hair health and growth. Works great!
(0 of 1 customers found this review helpful)
Difficult to assess
By Stephen
from Prospect, CT
About Me Health Conscious
See all my reviews
Not sure of the overall benefits.