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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 premium Colorado Nutrition 5-HTP 100mg 120 Vcaps® for $14.95.

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 Supplements

NF 5-HTP 100 mg Vegetarian - 120 Vcaps
$35.99 $23.39 Our Price
NF0106S
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Quantity   
NF 5-HTP 100 mg Vegetarian - 60 Vcaps
$19.99 $12.99 Our Price
NF0105 Quantity   
NF 5-HTP 200 mg - 60 Vcaps®
$33.99 $22.09 Our Price
NF0108
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NF 5-HTP 50 mg - 180 Capsules
$33.99 $18.48 Our Price
NF0101
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NF 5-HTP 50 mg 5-Hydroxy-L-Tryptophan - 30 Caps
$7.99 $5.19 Our Price
NF0097
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NF 5-HTP 50 mg 5-Hydroxy-L-Tryptophan - 90 Caps
$17.99 $12.99 Our Price
NF0099S
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NRx L-Tryptophan Bulk Powder - 100g
$99.90 $49.95 Our Price
NRx123

(BEST VALUE)
TOP SELLER! Independently Tested For Purity! Peak E Free.
 

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NRx_L-Tryptophan_500mg_120caps.jpg NRx L-Tryptophan USP - 500mg 120 Caps
$49.90 $24.95 Our Price
NRx98

(BEST VALUE)
TOP SELLER! Independently Tested For Purity! Peak E Free.
 

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AN L-5-HTP - 100mg 60 Capsules
$29.50 $20.65 Our Price
AN6642
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CN01.jpg CN 5-HTP - 100mg 120 Vcaps
$39.95 $19.95 Our Price
CN01
Out of Stock
Try NF0106S


Quantity   
CrN Craig L-Tryptophan 500 mg 180 caps
$89.99 $72.95 Our Price
CrNLT180
Craig Nutraceuticals is premium grade L-Tryptophan
Quantity   
CrN Craig L-Tryptophan 500mg 120 caps
$69.95 $56.95 Our Price
CrNLT120
Craig Nutraceuticals is premium grade L-Tryptophan
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CrN Craig L-Tryptophan 500mg 60 caps
$49.95 $30.95 Our Price
CrNLT60
Craig Nutraceuticals is premium grade L-Tryptophan
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DRB L-Tryptophan 90 Vcaps
$44.95 $19.95 Our Price
DRBL-Tryp Quantity   
Hi-Tech Sleep-Rx™ 30 Tablets
$19.95 $12.25 Our Price
H-TSlpRX
Problems getting a good nights sleep. SleepRx Works!
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HY Calms Forte 50 Tabs
$7.99 $5.95 Our Price
HYCalmsForte Quantity   
Lidtke L-Tryptophan 500mg 120 Caps
$69.95 $59.95 Our Price
LidtkeTryptophan120
500 mg--Guaranteed World’s Purest L‑Tryptophan! Promotes sleep and relaxation, improves mood, and reduces cravings for carbohydrates by boosting Serotonin levels. All natural, and non-addictive. FDA Registered, Certified Kosher, and surpasses all international pharmaceutical standards.
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SN 5-HTP 100mg 120 Caps
$35.50 $24.26 Our Price
SN1696s
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SN 5-HTP 120 caps 50 mg
$25.98 $17.75 Our Price
SN1702
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SN 5-HTP 30 caps 100 mg
$10.75 $7.35 Our Price
SN1694
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5-HTP & L-Tryptophan Pages:
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