Best Seller
NatureWise 5-HTP Max Potency 200mg | Mood Support, Natural Sleep Aid & Helps Curb Appetite | Delayed Release Capsules Easier on The Stomach | Enhanced with Vitamin B6 | Non-GMO, Vegetarian, 60 Count

NatureWise 5-HTP Max Potency 200mg | Mood Support, Natural Sleep Aid & Helps Curb Appetite | Delayed Release Capsules Easier on The Stomach | Enhanced with Vitamin B6 | Non-GMO, Vegetarian, 60 Count

What is 5-HTP? 5-HTP is a precursor to the neurotransmitter serotonin, which plays a role in many important functions, including sleep, appetite, memory, learning, mood, libido, digestion and endocrine regulation. Stress and age can diminish natural... more

$19.99

go to store
NOW Double Strength 5-HTP 200 mg,120 Veg Capsules

NOW Double Strength 5-HTP 200 mg,120 Veg Capsules

Now foods 5-HTP, the intermediate metabolite between the amino acid l-tryptophan and serotonin, is extracted from the bean of an African plant. more

$24.95

go to store
Best Seller
Lidtke Technologies 5-HTP Supplement 200 Mg Veggie Capsules, 60 Count

Lidtke Technologies 5-HTP Supplement 200 Mg Veggie Capsules, 60 Count

Lidtke 5-HTP, is a natural building block of serotonin, the neurotransmitter that controls appetite, mood, sleep patterns, and nervous system function. However, 5-HTP is one step closer to serotonin and is more easily converted to natural serotonin in... more

$16.25

go to store
Puritan's Pride 5-HTP 200 mg (Griffonia Simplicifolia)-60 Capsules

Puritan's Pride 5-HTP 200 mg (Griffonia Simplicifolia)-60 Capsules

Free Shipping On All Orders

5-HTP is a precursor to serotonin, a neurotransmitter involved in sending messages through the nervous system. Adults can take one capsule twice daily as needed or before bedtime. more

$28.99 $7.24

FREE shipping

go to store
Puritan's Pride 5-HTP 200 mg (Griffonia Simplicifolia)-30 Tablets

Puritan's Pride 5-HTP 200 mg (Griffonia Simplicifolia)-30 Tablets

Free Shipping On All Orders

5-HTP is a precursor to serotonin, a neurotransmitter involved in sending messages through the nervous system. Adults can take one capsule twice daily as needed or before bedtime.Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No... more

$14.99 $5.99

FREE shipping

go to store
Now Foods 5-HTP 200 mg 120 Veg Capsules

Now Foods 5-HTP 200 mg 120 Veg Capsules

NOW 5-HTP 200 mg 120 Veg caps NOW Double Strength 5-HTP has twice the 5-HTP (200 mg per capsule) as in our regular strength product (100 mg per capsule). 5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin, is extracted... more

$29.99

go to store
Now Foods 5-HTP 200 mg 60 Veg Capsules

Now Foods 5-HTP 200 mg 60 Veg Capsules

NOW 5-HTP 200 mg 60 Vcaps 5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin, is extracted from the bean of an African plant (Griffonia simplicifolia). more

$16.99

go to store
5-HTP (5HTP) 50 mg 60 caps from Source Naturals

5-HTP (5HTP) 50 mg 60 caps from Source Naturals

"5-HTP L-5-hydroxytryptophan Supports Normal Sleep Cycles 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid, tryptophan, to serotonin. Clinical studies have shown that 5-HTP increases the amount and... more

$9.79

go to store
5-HTP (5HTP) 50 mg 30 caps from Source Naturals

5-HTP (5HTP) 50 mg 30 caps from Source Naturals

5-HTP L-5-hydroxytryptophan Supports Normal Sleep Cycles 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid, tryptophan, to serotonin. Clinical studies have shown that 5-HTP increases the amount and... more

$5.59

go to store
5-HTP (5HTP) 50 mg 60 caps from Source Naturals

5-HTP (5HTP) 50 mg 60 caps from Source Naturals

5-HTP L-5-hydroxytryptophan Supports Normal Sleep Cycles 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid, tryptophan, to serotonin. Clinical studies have shown that 5-HTP increases the amount and... more

$9.79

go to store
5-HTP (5HTP) 50 mg 120 caps from Source Naturals

5-HTP (5HTP) 50 mg 120 caps from Source Naturals

"5-HTP L-5-hydroxytryptophan Supports Normal Sleep Cycles 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid, tryptophan, to serotonin. Clinical studies have shown that 5-HTP increases the amount and... more

$18.19

go to store
5-HTP (5HTP) 50 mg 120 caps from Source Naturals

5-HTP (5HTP) 50 mg 120 caps from Source Naturals

"5-HTP L-5-hydroxytryptophan Supports Normal Sleep Cycles 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid, tryptophan, to serotonin. Clinical studies have shown that 5-HTP increases the amount and... more

$18.19

go to store
5-HTP (5HTP) 50 mg 120 caps from Source Naturals

5-HTP (5HTP) 50 mg 120 caps from Source Naturals

5-HTP L-5-hydroxytryptophan Supports Normal Sleep Cycles 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid, tryptophan, to serotonin. Clinical studies have shown that 5-HTP increases the amount and... more

$18.19

go to store
5-HTP (5HTP) 50 mg 30 caps from Source Naturals

5-HTP (5HTP) 50 mg 30 caps from Source Naturals

"5-HTP L-5-hydroxytryptophan Supports Normal Sleep Cycles 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid, tryptophan, to serotonin. Clinical studies have shown that 5-HTP increases the amount and... more

$5.59

go to store
"5-HTP Enhanced with Vitamin B6 & C, 120 Veggie Caps, Doctor's Best"

"5-HTP Enhanced with Vitamin B6 & C, 120 Veggie Caps, Doctor's Best"

"5-HTP (5-hydroxy L-tryptophan) is a naturally occurring metabolite of the amino acid tryptophan. 5HTP is converted in the brain to serotonin, a neurotransmitter substance found at the junctions (synapses) between neurons. Doctor's Best 5HTP is... more

$18.48

go to store
"5-HTP 200 mg, Serene Science, Value Size, 120 Capsules, Source Naturals"

"5-HTP 200 mg, Serene Science, Value Size, 120 Capsules, Source Naturals"

"Source Naturals Serene Science® 5-HTP Dietary Supplement. High Potency. Balanced Mood. 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid tryptophan to serotonin, a brain chemical associated with... more

$44.79

go to store
5-HTP 200mg (120 Capsules)

5-HTP 200mg (120 Capsules)

5-HTP is a precursor to serotonin, which is a neurotransmitter involved in sending messages through the nervous system. 5-HTP is extracted from an African plant called Griffonia Simplicifolia and it is the intermediate between the amino acid... more

$14.99

FREE shipping

go to store
Puritan's Pride 5-HTP 200 mg (Griffonia Simplicifolia)-30 Tablets

Puritan's Pride 5-HTP 200 mg (Griffonia Simplicifolia)-30 Tablets

5-HTP is a precursor to serotonin, a neurotransmitter involved in sending messages through the nervous system. Adults can take one capsule twice daily as needed or before bedtime.Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No... more

$7.49

FREE shipping

go to store
Natrol 5-HTP Time Release 200 mg 30 tablet

Natrol 5-HTP Time Release 200 mg 30 tablet

Dairy Free?: Yes Feature: Dairy Free No Sugar Added?: Yes more

$26.99 $15.99

FREE shipping

go to store
5-HTP 200 mg 120 VGC -

5-HTP 200 mg 120 VGC -

12/case directions: as a dietary supplement, take one (1) vcap one to two times daily preferably on an empty stomach with water, or as directed by your qualified health care professional. Serving size: one (1) vcap ingredients: 5-htp... more

$41.34 $20.89

FREE shipping

go to store
Swanson Ultra Maximum Strength 5-HTP Vegetarian Capsules, 200mg, 60 Ct

Swanson Ultra Maximum Strength 5-HTP Vegetarian Capsules, 200mg, 60 Ct

When your spirits are sagging, help brighten your outlook with Maximum Strength 5-HTP from Swanson Ultra. A naturally occurring amino acid extracted from the seeds of the African herb Griffonia simplicifolia, 5-HTP (5- hydroxytryptophan) serves as a... more

$9.91

FREE shipping

go to store
5-HTP 200mg 2 Bottles x 90 Capsules

5-HTP 200mg 2 Bottles x 90 Capsules

Feeling stressed out? Would you like a more bright, optimistic, calm and tranquil mood?** Piping Rock 5-HTP 100 mg may be the perfect nutritional supplement for you! 5-HTP (5-Hydroxytryptophan) is an amino acid that is used to create the "feel good"... more

$22.11

go to store
5-HTP 200mg 90 Capsules

5-HTP 200mg 90 Capsules

5-HTP 200mg 90 Capsules more

$12.17

go to store
Source Naturals 5-HTP 200 mg - 120 Capsules

Source Naturals 5-HTP 200 mg - 120 Capsules

5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid tryptophan to serotonin‚ a brain chemical associated with positive mood and well-being. Preclinical studies show that 5-HTP may help support healthy... more

$27.99

go to store
5-HTP 200 mg Source Naturals, Inc. 30 Caps

5-HTP 200 mg Source Naturals, Inc. 30 Caps

5-HTP 200 mg Source Naturals, Inc. 30 Caps ; Health & Beauty -> Health Care -> Fitness & Nutrition -> Vitamins & Supplements more

$13.99

go to store
5-HTP 200 mg Sustained Release, 90 Tablets, NOW Foods

5-HTP 200 mg Sustained Release, 90 Tablets, NOW Foods

NOW 5-HTP 200 mg Sustained Release Tabs Dietary Supplement. Neurotransmitter Support. Supports a Positive Mood. Sustained Release - Amino SR™. 5-HTP is a naturally occurring amino acid that's a precursor for the neurotransmitter serotonin, which... more

$23.49

go to store
5-HTP Enhanced with Vitamin B6 & C, 120 Veggie Caps, Doctor's Best

5-HTP Enhanced with Vitamin B6 & C, 120 Veggie Caps, Doctor's Best

5-HTP (5-hydroxy L-tryptophan) is a naturally occurring metabolite of the amino acid tryptophan. 5HTP is converted in the brain to serotonin, a neurotransmitter substance found at the junctions (synapses) between neurons. Doctor's Best 5HTP is... more

$18.48

go to store
5-HTP 200 mg, Serene Science, 30 Capsules, Source Naturals

5-HTP 200 mg, Serene Science, 30 Capsules, Source Naturals

Source Naturals Serene Science® 5-HTP Dietary Supplement. High Potency. Balanced Mood. 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid tryptophan to serotonin, a brain chemical associated with pos more

$12.59

go to store
Natrol 5-htp Tr Time Release 200 Mg (1x30 Tablets)

Natrol 5-htp Tr Time Release 200 Mg (1x30 Tablets)

Enjoy Natrol 5-HTP TR Time Release - 200 mg - 30 Tablets every day at these amazing prices! Natrol 5-HTP TR Time Release Description: Promotes Positive Mood Helps Control Appetite and Promote Normal Sleep Natrol 5-HTP 200 mg Time Release has a delivery... more

$22.25

go to store
Stress-Relax 5-HTP 100 mg, 60 Enteric Coated Caplets, Natural Factors

Stress-Relax 5-HTP 100 mg, 60 Enteric Coated Caplets, Natural Factors

Natural Factors 5-HTP 100 mg Dietary Supplement. 5-Hydroxytryptophan. Emotional Well-Being. Purity & Potency Guaranteed. Supplementing with 5-HTP provides natural support for emotional well-being, and caplets are enteric coated to minimize gastric... more

$20.97

go to store
Swanson 5-Htp - Maximum Strength 200 mg 60 Veg Caps

Swanson 5-Htp - Maximum Strength 200 mg 60 Veg Caps

When your spirits are sagging, help brighten your outlook with Maximum Strength 5-HTP from Swanson Ultra. A naturally occurring amino acid extracted from the seeds of the African herb Griffonia simplicifolia, 5-HTP (5- hydroxytryptophan) serves as a... more

$8.20

go to store
Natrol 5-HTP TR Time Release - 200 mg - 30 Tablets

Natrol 5-HTP TR Time Release - 200 mg - 30 Tablets

Natrol 5-HTP TR Time Release Description: Promotes Positive Mood Helps Control Appetite and Promote Normal Sleep Natrol 5-HTP 200 mg Time Release has a delivery system that releases 5-HTP slowly and then steadily over a period of time. 5-HTP is a... more

$14.70

go to store
NOW Foods - 5-HTP Double Strength 200 mg. - 60 Vegetarian Capsules

NOW Foods - 5-HTP Double Strength 200 mg. - 60 Vegetarian Capsules

NOW Foods 5-HTP 200 mg - 60 Vegetarian CapsulesNow Foods 5-HTP, the intermediate metabolite between the amino acid L-tryp more

$33.99 $20.44

go to store
Natrol - 5-HTP TR Time Release 200 mg. - 30 Tablets

Natrol - 5-HTP TR Time Release 200 mg. - 30 Tablets

Natrol - 5-HTP TR Time Release 200 mg. - 30 Tablets Natrol 5-HTP TR Time Release is a drug-free plant-derived source more

$24.44 $13.11

go to store
Natrol 5-htp Tr Time Release - 200 Mg - 30 Tablets

Natrol 5-htp Tr Time Release - 200 Mg - 30 Tablets

Natrol 5-HTP TR Time Release Description: Promotes Positive Mood Helps Control Appetite and Promote Normal Sleep Natrol 5-HTP 200 mg Time Release has a delivery system that releases 5-HTP slowly and then steadily over a period of time. 5-HTP is a... more

$19.88

go to store
NOW Foods - 5-HTP Double Strength 200 mg. - 120 Vegetarian Capsules

NOW Foods - 5-HTP Double Strength 200 mg. - 120 Vegetarian Capsules

Now Foods Double Strength 5-HTP - 120 Vegetarian Capsules Now Foods Double Strength 5-HTP provides neurotransmitter support more

$59.99 $35.00

go to store
Stress-Relax 5-HTP 50 mg, 60 Enteric Coated Caplets, Natural Factors

Stress-Relax 5-HTP 50 mg, 60 Enteric Coated Caplets, Natural Factors

Natural Factors 5-HTP 50 mg Dietary Supplement. 5-Hydroxytryptophan. Natural Support for Emotional Well-Being. Purity & Potency Guaranteed. Supplementing with 5-HTP provides natural support for emotional well-being and caplets are enteric coated to... more

$13.97

go to store
5-HTP Enhanced with Vitamin B6 & C, 120 Veggie Caps, Doctor's Best

5-HTP Enhanced with Vitamin B6 & C, 120 Veggie Caps, Doctor's Best

5-HTP (5-hydroxy L-tryptophan) is a naturally occurring metabolite of the amino acid tryptophan. 5HTP is converted in the brain to serotonin, a neurotransmitter substance found at the junctions (synapses) between neurons. Doctor's Best 5HTP is... more

$18.48

go to store
5-Htp 200Mg Time Release - Natrol® - Sleep Support Formulas

5-Htp 200Mg Time Release - Natrol® - Sleep Support Formulas

5-Htp 200Mg Time Release - Natrol® - Sleep Support Formulas more

$24.99

go to store
SOURCE NATURALS Serene Science 5-HTP 200 Mg Capsule, 120 Count

SOURCE NATURALS Serene Science 5-HTP 200 Mg Capsule, 120 Count

5-HTP 200 mg 120 CapsuleProduct Description 5-HTP (L-5-Hydroxytryptophan) is an intermediate in the natural conversion of the essential amino acid tryptophan to serotonin, a brain chemical associated with positive mood and well-being. Preclinical... more

$26.55

go to store

More information about Vitamins & Nutrition

Best prices on 5 htp serotonin, 101 - 200 Milligrams in Vitamins & Nutrition online. Visit Bizrate to find the best deals on top brands. Read reviews on Health & Beauty Supplies merchants and buy with confidence.