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5-HTP & L-Tryptophan

5HTP is an essential amino acid that is critical for the formation of many life-giving bio-molecules, including structural proteins, enzymes, and the neurotransmitters, serotonin and melatonin.

5-HTP is also the least abundant amino acid in our diet. Because of this, 5-Htp is widely used to correct mental and bodily disorders such as Depression, Obesity, Alcoholism, PMS, Anxiety, Panic, Fibromyalgia, Insomnia, Migraines, Aggressiveness, Weight Loss, Food Cravings, Etc., all of which can be caused by serotonin deficiency.

Try Our Now Foods 5-HTP premium quality at a great price.

Unlike 5-HTP L-Tryptophan has many other uses in the body. It can be converted to niacin. It is a required precursor to the kynurenines, a family of biochemicals that help regulate the immune system. As an essential amino acid, L-Tryptophan is required for your body to work properly.

Even though L-Tryptophan and 5HTP are metabolized to serotonin along the same biochemical pathway, individual differences in metabolism can cause significant differences in effectiveness.

L-Tryptophan is a natural amino acid that is the precursor to serotonin and melatonin, which is a neurohormone that affects the body’s ability to sleep, relax and feel good. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. L-Tryptophan also supports immune functions because it is the body's precursor to the kynurenines that regulate immunity. If needed, L-tryptophan coverts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system.

American Nutrition is the largest retailer of L-Tryptophan products on the Internet. Due to the large volumes that we sell we have the lowest prices and the freshest product in the USA.

Try our NutraceuticsRX Signature™ brand 500mg 120 Caps @ $24.95 ea for exceptional quality and value.

Best Selling 5-HTP & L-Tryptophan

Source Naturals 5-HTP 30 caps 50 mg
$9.75 $4.97 Our Price
SN1700 Quantity   
Source Naturals 5-HTP 60 caps 100 mg
$33.50 $17.08 Our Price
SN1695 Quantity   
Source Naturals 5-HTP 60 caps 50 mg
$17.98 $9.17 Our Price
SN1701 Quantity   
Source Naturals L-Tryptophan 500 mg 120 tabs
$38.50 $19.63 Our Price
SN1980 Quantity   
Source Naturals L-Tryptophan 500 mg 30 caps
$11.98 $6.11 Our Price
SN1983 Quantity   
Source Naturals L-Tryptophan 500 mg 30 tabs
$11.98 $6.11 Our Price
SN1978 Quantity   
Source Naturals L-Tryptophan 500 mg 60 caps
$19.98 $10.19 Our Price
SN1984 Quantity   
Source Naturals L-Tryptophan 500 mg 60 tabs
$19.98 $10.19 Our Price
SN1979 Quantity   
Source Naturals L-Tryptophan 500mg 120 Caps
$38.50 $19.63 Our Price
SN1985s Quantity   
SomaDream Advanced Sleep Formula - 414mg 2 Caps
$6.95 $2.95 Our Price
EU3350006
ON BACKORDER UNTIL JAN 25, 2011
Quantity   
VirtuVites L-5-HTP 100mg 60 caps
$27.35 $19.95 Our Price
VV6642 Quantity   
5-HTP & L-Tryptophan Pages:
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