Life Extension is a global authority on health, wellness and nutrition

as well as a provider of scientific information on anti-aging therapies. We supply only the highest quality nutritional supplements, including minerals, herbs, hormones and vitamins.

MEMBERSHIP

PRODUCTS

MAGAZINE

HEALTH CONCERNS

NEWS

ABOUT US

Access your account today: Login Learn about our membership benefits

Amino Acids Item Index

Items 1 through 15 listed of total 94

Page 1 of 7

1 . Optimized TryptoPure™ Plus, 90 vegetarian capsules

Item Catalog Number 01202
In Category(ies): Amino Acids, Brain Health, Mood Relief, Popular Supplements

Optimized TryptoPure™ Plus 90 vegetarian capsules Item Catalog Number: 01202 L-Tryptophan is an essential amino acid, which means it cannot be synthesized by the human body and therefore must be part of the diet or supplementation. The best sources for tryptophan... more details

units		Non-members	Members
	1	was $40.00 now $36.00	was $30.00 now $27.00
	4	was $36.00 now $32.40	was $27.00 now $24.30

2 . Optimized Carnitine with Glycocarn, 60 vegetarian capsules

Item Catalog Number 00916
In Category(ies): Amino Acids, Anti-Aging, Brain Health, Heart Health, Special Purpose Formulas

Optimized Carnitine with GlycoCarn™ 60 vegetarian capsules Item Catalog Number: 00916 Diminished cellular energy production is an inevitable consequence of aging. As adults mature, the cellular power plants known as the mitochondria become dysfunctional. The resulting slowdown in energy production manifests... more details

units		Non-members	Members
	1	was $29.00 now $26.10	was $21.75 now $19.58
	4	was $26.10 now $23.49	was $19.58 now $17.62

3 . L-Theanine, 100 mg 60 capsules

Item Catalog Number 00555
In Category(ies): Amino Acids, Mood Relief

L-Theanine 100 mg, 60 capsules Item Catalog Number: 00555 Theanine is an amino acid found in green tea that produces calming effects in the brain by increasing levels of serotonin and dopamine, and blocking the binding of L-glutamic acid to glutamate... more details

units		Non-members	Members
	1	was $24.00 now $21.60	was $18.00 now $16.20
	4	was $20.50 now $18.45	was $15.38 now $13.84

4 . Acetyl-L-Carnitine Arginate, 100 capsules

Item Catalog Number 00788
In Category(ies): Amino Acids, Anti-Aging, Brain Health, Heart Health

Acetyl-L-Carnitine Arginate 100 capsules Item Catalog Number: 00788 A major cause of aging is the deterioration of the energy-producing components of the cell, which results in reduced cellular metabolic activity, the accumulation of cellular debris, and eventual death of the cell.... more details

units		Non-members	Members
	1	was $59.00 now $53.10	was $44.25 now $39.83
	4	was $50.99 now $45.89	was $38.24 now $34.42

5 . Acetyl-L-Carnitine, 500 mg 100 capsules

Item Catalog Number 00449
In Category(ies): Amino Acids, Brain Health, Heart Health

Acetyl-L-carnitine 500 mg, 100 capsules Item Catalog Number: 00449 A major cause of aging is the deterioration of the energy-producing components of the cell, which results in reduced cellular metabolic activity, the accumulation of cellular debris, and eventual death of the... more details

units		Non-members	Members
	1	was $56.00 now $50.40	was $42.00 now $37.80
	4	was $46.66 now $41.99	was $35.00 now $31.50

6 . Super Carnosine, 500 mg 90 capsules

Item Catalog Number 01287
In Category(ies): Amino Acids, Anti-Aging

Super Carnosine 500 mg, 90 capsules Item Catalog Number: 01287 Carnosine is a multifunctional dipeptide made up of a chemical combination of the amino acids beta-alanine and L-histidine. It is found both in food and in the human body. Long-lived cells... more details

units		Non-members	Members
	1	was $66.00 now $59.40	was $49.50 now $44.55
	4	was $60.00 now $54.00	was $45.00 now $40.50

7 . Taurine, 1000 mg 50 capsules

Item Catalog Number 00199
In Category(ies): Amino Acids

Taurine 1000 mg, 50 capsules Item Catalog Number: 00199 Taurine is a conditionally essential amino acid produced from cysteine by the body and found abundantly in the body, particularly throughout the excitable tissues of the central nervous system, where it is... more details

units		Non-members	Members
	1	was $8.95 now $8.06	was $6.71 now $6.04
	4	was $8.00 now $7.20	was $6.00 now $5.40

8 . Glutathione, Cysteine and Vitamin C, 100 capsules

Item Catalog Number 00113
In Category(ies): Amino Acids

Glutathione, Cysteine & C 750 mg, 100 capsules Item Catalog Number: 00113 Glutathione (gamma-L-glutamyl-L-cysteinyl-glycine) is a peptide (short protein)-like molecule synthesized in the body from the three amino acids L-glutamic acid, L-cysteine, and glycine. Glutathione is one of the body’s most... more details

units		Non-members	Members
	1	was $18.00 now $16.20	was $13.50 now $12.15
	4	was $16.00 now $14.40	was $12.00 now $10.80

9 . L-Tyrosine, 500 mg 100 tablets: Source Naturals

Item Catalog Number 00326
In Category(ies): Amino Acids, Mood Relief

L-Tyrosine 500 mg, 100 tablets Item Catalog Number: 00326 L-phenylalanine is an essential amino acid which can be converted to L-tyrosine by a complex biochemical process which takes place in the liver. L-tyrosine can be converted by neurons in the brain... more details

units		Non-members	Members
	1	was $16.98 now $15.28	was $12.74 now $11.46
	4	was $15.63 now $14.07	was $11.72 now $10.55

10 . Arginine, 800 mg 200 capsules

Item Catalog Number 01012
In Category(ies): Amino Acids, Sports Performance

Arginine Caps 800 mg, 200 capsules Item Catalog Number: 01012 L-arginine is an essential amino acid. Arginine, a semi-essential amino acid, is involved in numerous areas of human biochemistry, including ammonia detoxification, hormone secretion, and immune modulation. Arginine is also well... more details

units		Non-members	Members
	1	was $26.50 now $23.85	was $19.88 now $17.89
	4	was $23.25 now $20.93	was $17.44 now $15.69

11 . L-Glutamine, 500 mg 100 capsules

Item Catalog Number 00345
In Category(ies): Amino Acids, Sports Performance

L-Glutamine 500 mg, 100 capsules Item Catalog Number: 00345 Glutamine is a nonessential amino acid that is the most abundant free amino acid in human muscle and plasma. It is necessary for rapidly dividing cells, including those of the gut and... more details

units		Non-members	Members
	1	was $14.95 now $13.46	was $11.21 now $10.09
	4	was $13.50 now $12.15	was $10.13 now $9.11

12 . L-Lysine, 620 mg 100 capsules

Item Catalog Number 01013
In Category(ies): Amino Acids

L-Lysine 620 mg, 100 capsules Item Catalog Number: 01013 Lysine is an essential amino acid needed for growth and to help maintain nitrogen balance in the body. (Essential amino acids cannot be made in the body and must be supplied by... more details

units		Non-members	Members
	1	was $9.00 now $8.10	was $6.75 now $6.08
	4	was $8.00 now $7.20	was $6.00 now $5.40

13 . N-acetyl Cysteine, 600 mg 60 capsules

Item Catalog Number 00215
In Category(ies): Amino Acids, Sports Performance

N-Acetyl Cysteine 600 mg, 60 capsules Item Catalog Number: 00215 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... more details

units		Non-members	Members
	1	was $14.00 now $12.60	was $10.50 now $9.45
	4	was $13.50 now $12.15	was $10.13 now $9.11

14 . TryptoPure™ L-Tryptophan, 90 vegetarian capsules

Item Catalog Number 00866
In Category(ies): Amino Acids, Mood Relief

TryptoPure™ L-Tryptophan 90 vegetarian capsules Item Catalog Number: 00866 L-Tryptophan is an essential amino acid, which means it cannot be synthesized by the human body and therefore must be part of the diet or supplementation. The best sources for tryptophan are... more details

units		Non-members	Members
	1	was $38.00 now $34.20	was $28.50 now $25.65
	4	was $34.00 now $30.60	was $25.50 now $22.95

15 . Branched Chain Amino Acids, 90 capsules

Item Catalog Number 00253
In Category(ies): Amino Acids, Liver & Urinary Health, Sports Performance

Branched Chain Amino Acids 90 capsules Item Catalog Number: 00253 The branched chain amino acids L-valine, L-leucine, and L-isoleucine enhance protein synthesis in liver cells and muscle cells and neurotransmitter synthesis. 124,125 * Because they can be oxidized in the cell’s... more details

units		Non-members	Members
	1	was $19.50 now $17.55	was $14.63 now $13.16
	4	was $17.00 now $15.30	was $12.75 now $11.48

Items 1 through 15 listed of total 94

Page 1 of 7

Top Ten best documented nutritional supplements, including vitamins, hormones and drugs for achieving ultimate health

*These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.

The information provided on this site is for informational purposes only and is not intended as a substitute for advice from your physician or other health care professional or any information contained on or in any product label or packaging. You should not use the information on this site for diagnosis or treatment of any health problem or for prescription of any medication or other treatment. You should consult with a healthcare professional before starting any diet, exercise or supplementation program, before taking any medication, or if you have or suspect you might have a health problem. You should not stop taking any medication without first consulting your physician.