L-Tryptophan - 90 vegetarian capsules (500mg), Item# 01722Quantity Price for 4: $90.00 - $22.50 each
Serotonin is a neurotransmitter made in the brain from tryptophan. Serotonin has been associated with positive moods and restful sleep.1-4
To produce and maintain optimum serotonin levels, your body requires tryptophan, an essential amino acid, which means that your body cannot produce it.1
In the body, tryptophan has been shown to:
- Improve sleep3,4
- Enhance mood1,2,4
- Modulate stress5
Life Extension® offers L-Tryptophan Capsules to broadly and powerfully support tryptophan levels already within the normal range.
Life Extension®'s L-Tryptophan Capsules contain premium L-tryptophan which has undergone significantly more rigorous manufacturing processes than regular tryptophan material, to assure the highest purity and safety.Supplement FactsServing Size:
1 vegetarian capsuleServings Per Container:
90Amount per ServingOther ingredients:
vegetable cellulose (capsule), microcrystalline cellulose, ascorbyl palmitate, silica, medium chain triglycerides.Dosage and Use:
Take one capsule 1 to 3 times daily on an empty stomach, or as recommended by a healthcare practitioner.
For maximum absorption, take with a small amount of carbohydrate, such as diluted juice.
Best if taken separately from protein and amino acids.Caution:
Consult your healthcare provider before taking this product if you are taking prescription medications (e.g. MAOI and SSRI antidepressants) for depression. Concomitant use of L-tryptophan with antidepressant medications has the potential to increase the risk of serotonin syndrome, characterized by symptoms like confusion, sweating, agitation, nausea, involuntary muscle contractions, and racing heartbeat. Do not use L-tryptophan before driving or operating heavy machinery.References
1. Int J Neurosci. 1992 Nov-Dec;67(1-4):127-44.
2. Curr Opin Neurobiol. 2013 Feb 2. pii: S0959-4388(13)00027-5.
3. Prog Neurobiol. 2000 Jan;60(1):13-35.
4. J Nutr. 2012 Dec;142(12):2236S-2244S.
5. J Exp Biol. 2002 Dec;205(Pt 23):3679-87.
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