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College Health EssentialsDiabetes SupportDigestive HealthHeart HealthShop all Health & WellnessSmoking CessationAmino AcidsAntioxidant SupplementsAzoBest NaturalsBody CleanseColon CleanseEnergy VitaminsEstrovenFat BlockersGenius BrandHeadachesHerbal SupplementsImmunity Support SupplementsInositolIrwin NaturalsKidney CleanseKids MelatoninLetter VitaminsLife ExtensionMelatoninMelatonin gummiesMenopause supplementsNAC SupplementsNatural Appetite SuppressantsNatural Weight ManagementNiacinOlly VitaminsOmegaXLOver-the-Counter MedicinesProteinPure EncapsulationsShop All Allergy ReliefShop by brandSleep AidsSpecialty Pain ReliefSpring ValleyStress Support SupplementsSuperfoodsSupplementsTestosterone BoosterThorneVitamins and SupplementsWeight LossWeight Loss PillsWellness Aging MonthWomen's Wellness & Personal Care
Serotonin Supplements(230)
Uses item details. Price when purchased online
Reduced price Serotonin Liquid, 3X, 1 fl. oz. $14.21 Was $18.95
Sponsored
Now$1421
current price Now $14.21, Was $18.95$18.95
Serotonin Liquid, 3X, 1 fl. oz.
25 out of 5 Stars. 2 reviews
(2 pack) Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract) $36.00
Sponsored
$3600
current price $36.00(2 pack) Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract)
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(3 pack) Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract) $51.27 Was $56.97
Sponsored
Now$5127
current price Now $51.27, Was $56.97$56.97
(3 pack) Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract)
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NATURAL STACKS Serotonin Brain Food w/ L-Tryptophan & Rhodiola Rosea - Mood Support Supplement - Promotes Positive Mood, Calmness, Stress Relief - Happy Mood & Brain Support Supplement - 60 Capsules $38.95 64.9 ¢/count
Sponsored
$3895
current price $38.9564.9 ¢/count
NATURAL STACKS Serotonin Brain Food w/ L-Tryptophan & Rhodiola Rosea - Mood Support Supplement - Promotes Positive Mood, Calmness, Stress Relief - Happy Mood & Brain Support Supplement - 60 Capsules
2684.5 out of 5 Stars. 268 reviews
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NATURAL STACKS Serotonin Brain Food w/ L-Tryptophan & Rhodiola Rosea - Mood Support Supplement - Promotes Positive Mood, Calmness, Stress Relief - Happy Mood & Brain Support Supplement - 60 Capsules $38.95 64.9 ¢/count
$3895
current price $38.9564.9 ¢/count
NATURAL STACKS Serotonin Brain Food w/ L-Tryptophan & Rhodiola Rosea - Mood Support Supplement - Promotes Positive Mood, Calmness, Stress Relief - Happy Mood & Brain Support Supplement - 60 Capsules
2684.5 out of 5 Stars. 268 reviews
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NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
2 options
Available in additional 2 optionsNOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
674.6 out of 5 Stars. 67 reviews
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Amazing Formulas 5-HTP (Hydroxytryptophan) 100 Mg Per Serving 120 Veggie Capsules Supplement | Non-GMO | Gluten Free $9.99 $1.25/ea
$999
current price $9.99$1.25/ea
Amazing Formulas 5-HTP (Hydroxytryptophan) 100 Mg Per Serving 120 Veggie Capsules Supplement | Non-GMO | Gluten Free
724.7 out of 5 Stars. 72 reviews
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BeLive 5-HTP Gummies - 60 Ct I 5HTP Stress Relief Gummies for Better Sleep, Heightened Focus, Mood Booster & Stress Relief I Serotonin Booster for Adults, Vegan 5 HTP Supplement - Mix Berries $18.69
$1869
current price $18.69BeLive 5-HTP Gummies - 60 Ct I 5HTP Stress Relief Gummies for Better Sleep, Heightened Focus, Mood Booster & Stress Relief I Serotonin Booster for Adults, Vegan 5 HTP Supplement - Mix Berries
124.9 out of 5 Stars. 12 reviews
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Reduced price Serotonin Liquid, 3X, 1 fl. oz. $14.21 Was $18.95
Now$1421
current price Now $14.21, Was $18.95$18.95
Serotonin Liquid, 3X, 1 fl. oz.
25 out of 5 Stars. 2 reviews
Irwin Naturals Double Potency 5-HTP Extra - Relaxation & Serotonin Support - 60 Liquid Soft-Gels $21.06
$2106
current price $21.06Irwin Naturals Double Potency 5-HTP Extra - Relaxation & Serotonin Support - 60 Liquid Soft-Gels
145 out of 5 Stars. 14 reviews
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THORNE - 5-HTP (formerly 5-Hydroxytryptophan) - Contains Vitamin B6 - Serotonin Support for Sleep and Stress Management* - 90 Capsules $39.00
Sponsored
$3900
current price $39.00THORNE - 5-HTP (formerly 5-Hydroxytryptophan) - Contains Vitamin B6 - Serotonin Support for Sleep and Stress Management* - 90 Capsules
424.7 out of 5 Stars. 42 reviews
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Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract) - 2 Pack $35.99
Sponsored
$3599
current price $35.99Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract) - 2 Pack
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Nutricost 5-HTP, 200 mg, 120 Capsules $16.94 $4.24/oz
$1694
current price $16.94$4.24/oz
Nutricost 5-HTP, 200 mg, 120 Capsules
614.6 out of 5 Stars. 61 reviews
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5-HTP 200mg, 120 Vegetarian Capsules (5-Hydroxytryptophan) , Neurotransmitter & Mood Support $14.39
$1439
current price $14.395-HTP 200mg, 120 Vegetarian Capsules (5-Hydroxytryptophan) , Neurotransmitter & Mood Support
25 out of 5 Stars. 2 reviews
Natrol 5-HTP 200 mg, Time Release, Support a Balanced Mood, Dietary Supplement Provides Serotonin Production Throughout the Day, 30 Tablets, Up to a 30 Day Supply Was $22.79
Natrol 5-HTP 200 mg, Time Release, Support a Balanced Mood, Dietary Supplement Provides Serotonin Production Throughout the Day, 30 Tablets, Up to a 30 Day Supply
1084.7 out of 5 Stars. 108 reviews
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5-Htp L-5-Hydroxytryptophan Capsules 100 Mg By Natures Bounty - 60 Capsules From $20.90
2 options
Available in additional 2 optionsFrom$2090
5-Htp L-5-Hydroxytryptophan Capsules 100 Mg By Natures Bounty - 60 Capsules
304 out of 5 Stars. 30 reviews
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NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 60 Veg Capsules $12.33 Was $15.00
Now$1233
current price Now $12.33, Was $15.00$15.00
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 60 Veg Capsules
264.6 out of 5 Stars. 26 reviews
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THORNE - 5-HTP (formerly 5-Hydroxytryptophan) - Contains Vitamin B6 - Serotonin Support for Sleep and Stress Management* - 90 Capsules $39.00
$3900
current price $39.00THORNE - 5-HTP (formerly 5-Hydroxytryptophan) - Contains Vitamin B6 - Serotonin Support for Sleep and Stress Management* - 90 Capsules
424.7 out of 5 Stars. 42 reviews
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Quality of Life PureBalance Serotonin, 60 Capsules $41.96
$4196
current price $41.96Quality of Life PureBalance Serotonin, 60 Capsules
15 out of 5 Stars. 1 reviews
Rollback OLLY Hello Happy Gummy Worms, Saffron ExtraCount, Vitamin D, Tropical Zing Flavored, 60 Count $16.97 Was $18.88 28.3 ¢/count
Now$1697
current price Now $16.97, Was $18.88$18.88
28.3 ¢/count
OLLY Hello Happy Gummy Worms, Saffron ExtraCount, Vitamin D, Tropical Zing Flavored, 60 Count
14524.4 out of 5 Stars. 1452 reviews
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BulkSupplements 5-HTP 200mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count $23.97
Sponsored
$2397
current price $23.97BulkSupplements 5-HTP 200mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count
294.9 out of 5 Stars. 29 reviews
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Pure Encapsulations 5-HTP 50 mg | 5-Hydroxytryptophan Supplement for Brain, Sleep, Eating Behavior, and Serotonin Support* | 60 Capsules $42.50
Sponsored
$4250
current price $42.50Pure Encapsulations 5-HTP 50 mg | 5-Hydroxytryptophan Supplement for Brain, Sleep, Eating Behavior, and Serotonin Support* | 60 Capsules
25 out of 5 Stars. 2 reviews
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Amazing Formulas 5-HTP (Hydroxytryptophan) 200 Mg Per Serving 120 Veggie Capsules Supplement | Made from Griffonia Simplicifolia Seed Extract | Non-GMO | Gluten Free | Ideal for Vegetarians $15.99 13.3 ¢/count
$1599
current price $15.9913.3 ¢/count
Amazing Formulas 5-HTP (Hydroxytryptophan) 200 Mg Per Serving 120 Veggie Capsules Supplement | Made from Griffonia Simplicifolia Seed Extract | Non-GMO | Gluten Free | Ideal for Vegetarians
193.9 out of 5 Stars. 19 reviews
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Mood Sync, The Serotonin Link - 60 caps $20.95
$2095
current price $20.95Mood Sync, The Serotonin Link - 60 caps
85 out of 5 Stars. 8 reviews
Doctor's Best 5-HTP, Non-GMO, Vegan, Gluten Free, Soy Free, 100 mg, 180 Veggie Caps $24.14 13.4 ¢/ea
$2414
current price $24.1413.4 ¢/ea
Doctor's Best 5-HTP, Non-GMO, Vegan, Gluten Free, Soy Free, 100 mg, 180 Veggie Caps
19534.6 out of 5 Stars. 1953 reviews
Allergy Research Group Seratonin Supplement - Serotonin Booster, Stress and Sleep Support, Serotonin Supplements for Men & Women, Serotonin Pills - 90 Vegetarian Capsules $62.39
$6239
current price $62.39Allergy Research Group Seratonin Supplement - Serotonin Booster, Stress and Sleep Support, Serotonin Supplements for Men & Women, Serotonin Pills - 90 Vegetarian Capsules
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BulkSupplements 5-HTP 200mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count $23.97
$2397
current price $23.97BulkSupplements 5-HTP 200mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count
294.9 out of 5 Stars. 29 reviews
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NOW Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, 120 Veg Capsules $22.22 Was $31.51 18.5 ¢/count
Now$2222
current price Now $22.22, Was $31.51$31.51
18.5 ¢/count
NOW Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, 120 Veg Capsules
494.8 out of 5 Stars. 49 reviews
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Seeking Health Serotonin Nutrients, Supports Healthy Sleep, 5-HTP Supplement with Vitamin B6 and Saffron Extract, Vegan and Vegetarian (60 capsules) $47.00
$4700
current price $47.00Seeking Health Serotonin Nutrients, Supports Healthy Sleep, 5-HTP Supplement with Vitamin B6 and Saffron Extract, Vegan and Vegetarian (60 capsules)
714.5 out of 5 Stars. 71 reviews
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Swanson 5-Htp 50 mg 60 Capsules $9.05 Was $10.99
Now$905
current price Now $9.05, Was $10.99$10.99
Swanson 5-Htp 50 mg 60 Capsules
1054.4 out of 5 Stars. 105 reviews
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Pure Encapsulations 5-HTP 50 mg | 5-Hydroxytryptophan Supplement for Brain, Eating Behavior, and Serotonin Support* | 180 Capsules $105.00
Sponsored
$10500
current price $105.00Pure Encapsulations 5-HTP 50 mg | 5-Hydroxytryptophan Supplement for Brain, Eating Behavior, and Serotonin Support* | 180 Capsules
25 out of 5 Stars. 2 reviews
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MoxyVites 5-HTP 100mg + Cofactor Vitamin B6 - Gentle Herbal Sleep Supplement & Mood Enhancer, Stress & Anxiety Reduction, 120 Vegan Capsules $19.97 Was $24.96
Sponsored
$1997
current price $19.97, Was $24.96$24.96
MoxyVites 5-HTP 100mg + Cofactor Vitamin B6 - Gentle Herbal Sleep Supplement & Mood Enhancer, Stress & Anxiety Reduction, 120 Vegan Capsules
2874.7 out of 5 Stars. 287 reviews
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Kaya Naturals - 5-HTP Includes Natural Ingredients for Positive Mood and Well-Being, Mood Booster and Sleep Support (60 Gelatin Capsules) $10.98
$1098
current price $10.98Kaya Naturals - 5-HTP Includes Natural Ingredients for Positive Mood and Well-Being, Mood Booster and Sleep Support (60 Gelatin Capsules)
15 out of 5 Stars. 1 reviews
Earth's Splendor 5-HTP Dietary Supplement for Men & Women, Supports a Balanced Mood & Aids in Stress Support, Provides Sense of Calm No Artificial Preservatives Color or Flavor Non-GMO 100 MG $9.79 Was $13.99
Now$979
current price Now $9.79, Was $13.99$13.99
Earth's Splendor 5-HTP Dietary Supplement for Men & Women, Supports a Balanced Mood & Aids in Stress Support, Provides Sense of Calm No Artificial Preservatives Color or Flavor Non-GMO 100 MG
Portions Master 5 HTP - (All Natural Mood Support) $24.99
$2499
current price $24.99Portions Master 5 HTP - (All Natural Mood Support)
25 out of 5 Stars. 2 reviews
NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, Double Strength, Neurotransmitter Support*, 120 Veg Capsules $30.99
$3099
current price $30.99NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, Double Strength, Neurotransmitter Support*, 120 Veg Capsules
264.7 out of 5 Stars. 26 reviews
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BulkSupplements 5-HTP 50mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count $17.97
$1797
current price $17.97BulkSupplements 5-HTP 50mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count
15 out of 5 Stars. 1 reviews
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Best Naturals 5-HTP 200 mg 120 Vegetarian Capsules $16.99
$1699
current price $16.99Best Naturals 5-HTP 200 mg 120 Vegetarian Capsules
414.6 out of 5 Stars. 41 reviews
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Bargad Serotonin Support Supplement - Mood, Relaxation & Sleep Support 60 Vegan Capsules Non-GMO, Gluten-Free $29.99
$2999
current price $29.99Bargad Serotonin Support Supplement - Mood, Relaxation & Sleep Support 60 Vegan Capsules Non-GMO, Gluten-Free
23 out of 5 Stars. 2 reviews
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GABA Supplements 750mg with L-Theanine, 5-HTP, Ashwagandha, Lemon Balm, Ginkgo Biloba, Omega-3, GABA Capsules for Sleep, Focus, Mood Support, Cortisol Balance - 60 Day Supply, Melatonin-Free $15.99
$1599
current price $15.99GABA Supplements 750mg with L-Theanine, 5-HTP, Ashwagandha, Lemon Balm, Ginkgo Biloba, Omega-3, GABA Capsules for Sleep, Focus, Mood Support, Cortisol Balance - 60 Day Supply, Melatonin-Free
55 out of 5 Stars. 5 reviews
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ZENTA - The Natural Relief Supplement to Help Calm Body and Mind | Positive Mood Enhancer - Increase Serotonin Levels with GAB, 5-HTP, Ashwagandha, Chamomile, DMAE | 60 ct $19.95
$1995
current price $19.95ZENTA - The Natural Relief Supplement to Help Calm Body and Mind | Positive Mood Enhancer - Increase Serotonin Levels with GAB, 5-HTP, Ashwagandha, Chamomile, DMAE | 60 ct
15 out of 5 Stars. 1 reviews
Best Naturals L-Tryptophan 1000 mg 60 Tablets $9.99
$999
current price $9.99Best Naturals L-Tryptophan 1000 mg 60 Tablets
824.5 out of 5 Stars. 82 reviews
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2 Pack Best Naturals 5-HTP 100 mg 120 Capsules $18.99
$1899
current price $18.992 Pack Best Naturals 5-HTP 100 mg 120 Capsules
334.9 out of 5 Stars. 33 reviews
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Serotonin911-5-HTP & L-Tryptophan-Stress/Mood/Relaxation- 2 Bottles-120 Capsules- Dr. Pelican $49.99
$4999
current price $49.99Serotonin911-5-HTP & L-Tryptophan-Stress/Mood/Relaxation- 2 Bottles-120 Capsules- Dr. Pelican
Doctor's Best 5-HTP, Non-GMO, Vegan, Gluten Free, Soy Free, 100 mg, 60 Veggie Caps $11.49 19.2 ¢/ea
$1149
current price $11.4919.2 ¢/ea
Doctor's Best 5-HTP, Non-GMO, Vegan, Gluten Free, Soy Free, 100 mg, 60 Veggie Caps
44 out of 5 Stars. 4 reviews
Source Naturals, L-Tryptophan with Coenzyme B-6 for Positive Mood Enhancement and Sleep 500mg 30 Tablets $8.87
$887
current price $8.87Source Naturals, L-Tryptophan with Coenzyme B-6 for Positive Mood Enhancement and Sleep 500mg 30 Tablets
Nature Made Chewable 5HTP 100mg, Mood Support Supplement, Chewable Tablets, 30 Count $22.55 75.2 ¢/ea
$2255
current price $22.5575.2 ¢/ea
Nature Made Chewable 5HTP 100mg, Mood Support Supplement, Chewable Tablets, 30 Count
424.3 out of 5 Stars. 42 reviews
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Superior Source Calming Formula, L-Theanine, Melatonin, Under The Tongue Quick Dissolve MicroLingual Tablets, 60 Ct, 5-HTP for Enhanced Serotonin Conversion, Sleep Support, Non-GMO $18.99
$1899
current price $18.99Superior Source Calming Formula, L-Theanine, Melatonin, Under The Tongue Quick Dissolve MicroLingual Tablets, 60 Ct, 5-HTP for Enhanced Serotonin Conversion, Sleep Support, Non-GMO
32.7 out of 5 Stars. 3 reviews
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5HTP 200mg Capsules - 5 HTP Supplement Plus Calcium for Brain Health & Sleep Support, Extra Strength Griffonia Simplicifolia 5-HTP Formula, 5 Hydroxytryptophan, Bottled in USA & Non-GMO - 60 Capsules $8.13 Was $10.92 13.6 ¢/count
Now$813
current price Now $8.13, Was $10.92$10.92
13.6 ¢/count
5HTP 200mg Capsules - 5 HTP Supplement Plus Calcium for Brain Health & Sleep Support, Extra Strength Griffonia Simplicifolia 5-HTP Formula, 5 Hydroxytryptophan, Bottled in USA & Non-GMO - 60 Capsules
194.6 out of 5 Stars. 19 reviews
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BY CARIOLA 5-HTP Natural Mood & Sleep Support Supplement Capsules - Mood Support - Sleep Support - Serotonin Booster - Calming Effect - Natural Formula Griffonia Simplicifolia - 60 Caps $24.95
$2495
current price $24.95BY CARIOLA 5-HTP Natural Mood & Sleep Support Supplement Capsules - Mood Support - Sleep Support - Serotonin Booster - Calming Effect - Natural Formula Griffonia Simplicifolia - 60 Caps
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Best Naturals 5-HTP 50 mg Gluten-Free Amino Acid Supplements, 120 Count$8.99current price $8.99(3 pack) Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract)
(3 pack) Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract)$51.27current price $51.27SuperSmart - L-Tryptophan Supplement 1000 mg per Day - Mood Support - Serotonin & Melatonin Precursor | Non-GMO & Gluten Free - 120 Tablets
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