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Heart HealthShop all Health & WellnessSmoking CessationAll Digestive HealthAmino AcidsAntioxidant SupplementsAzoBest NaturalsBody CleanseColon CleanseDigestive HealthEnergy VitaminsEstrovenFat BlockersGenius BrandHeadachesHerbal SupplementsImmunity Support SupplementsInositolInternational VitaminsIrwin NaturalsKidney CleanseKids MelatoninLemmeLetter VitaminsLife ExtensionMagnesiumMelatoninMelatonin gummiesMenopause supplementsNAC SupplementsNatural Appetite SuppressantsNatural Weight ManagementNew and Trending VitaminsNiacinOmegaXLOnnitOver-the-Counter MedicinesProteinPure EncapsulationsShop by brandSleep AidsSpecialty Pain ReliefSpring ValleyStress Support SupplementsSuperfoodsSupplementsTestosterone BoosterThorneVitamins and SupplementsWeight LossWeight Loss PillsWellness Aging MonthWomen's Wellness & Personal Care
Serotonin Supplements(226)
Uses item details. Price when purchased online
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
2724.5 out of 5 Stars. 272 reviews
Pure Encapsulations SeroPlus | Hypoallergenic Serotonin Support to Support Moderate Occasional Stress* | 120 Capsules $58.00
Sponsored
$5800
current price $58.00Pure Encapsulations SeroPlus | Hypoallergenic Serotonin Support to Support Moderate Occasional Stress* | 120 Capsules
54.2 out of 5 Stars. 5 reviews
Pure Encapsulations L-Tryptophan | Amino Acid Supplement for Relaxation, Serotonin Support, PMS, and Sleep* | 90 Capsules $72.50
Sponsored
$7250
current price $72.50Pure Encapsulations L-Tryptophan | Amino Acid Supplement for Relaxation, Serotonin Support, PMS, and Sleep* | 90 Capsules
11 out of 5 Stars. 1 reviews
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
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
2724.5 out of 5 Stars. 272 reviews
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules From $18.99
2 options
Available in additional 2 optionsFrom$1899
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
714.5 out of 5 Stars. 71 reviews
Amazing Formulas 5-HTP (Hydroxytryptophan) 100 Mg Per Serving 120 Veggie Capsules Supplement | Non-GMO | Gluten Free $9.99 $1.67/oz
$999
current price $9.99$1.67/oz
Amazing Formulas 5-HTP (Hydroxytryptophan) 100 Mg Per Serving 120 Veggie Capsules Supplement | Non-GMO | Gluten Free
834.7 out of 5 Stars. 83 reviews
BrainMD Serotonin Mood Support - 120 Vegan Capsules - Supports Serotonin Balance $52.50
$5250
current price $52.50BrainMD Serotonin Mood Support - 120 Vegan Capsules - Supports Serotonin Balance
15 out of 5 Stars. 1 reviews
Natrol 5-HTP 200 mg Time Release, Helps Support a Balanced Mood, 30 Tablets Was $22.79
Natrol 5-HTP 200 mg Time Release, Helps Support a Balanced Mood, 30 Tablets
1164.7 out of 5 Stars. 116 reviews
Irwin Naturals Double Potency 5-HTP Extra - Relaxation & Serotonin Support - 60 Liquid Soft-Gels $19.99
$1999
current price $19.99Irwin Naturals Double Potency 5-HTP Extra - Relaxation & Serotonin Support - 60 Liquid Soft-Gels
165 out of 5 Stars. 16 reviews
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
Pure Encapsulations 5-HTP 100 mg - Brain Health, Sleep Regulation & Appetite Support* - 5-Hydroxytryptophan - Gluten Free & Non-GMO - 60 Capsules $61.00
Sponsored
$6100
current price $61.00Pure Encapsulations 5-HTP 100 mg - Brain Health, Sleep Regulation & Appetite Support* - 5-Hydroxytryptophan - Gluten Free & Non-GMO - 60 Capsules
55 out of 5 Stars. 5 reviews
Flash Deal 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 $15.15
Flash Deal
$1515
current price $15.15GABA 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
464.4 out of 5 Stars. 46 reviews
BeLive 5-HTP Sugar Free Gummies - 153 mg - Serotonin Booster, Sleep and Stress Relief Supplement - Mood, Better Focus and Relaxation for Adults - Mixed Berry Flavor - 60 Count $18.11
$1811
current price $18.11BeLive 5-HTP Sugar Free Gummies - 153 mg - Serotonin Booster, Sleep and Stress Relief Supplement - Mood, Better Focus and Relaxation for Adults - Mixed Berry Flavor - 60 Count
124.9 out of 5 Stars. 12 reviews
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
434.7 out of 5 Stars. 43 reviews
L Tryptophan 1500mg | 240 Capsules | Extra Strength | by Horbaach $19.69
$1969
current price $19.69L Tryptophan 1500mg | 240 Capsules | Extra Strength | by Horbaach
434.7 out of 5 Stars. 43 reviews
MoxyVites 5-HTP 100mg + P-5-P B6 Mood, Sleep & Stress Support, Gluten-Free, 120 Vegan Capsules From $19.97
2 options
Available in additional 2 optionsFrom$1997
MoxyVites 5-HTP 100mg + P-5-P B6 Mood, Sleep & Stress Support, Gluten-Free, 120 Vegan Capsules
2904.7 out of 5 Stars. 290 reviews
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
874.7 out of 5 Stars. 87 reviews
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
Quality of Life PureBalance Serotonin, 60 Capsules $42.76
$4276
current price $42.76Quality of Life PureBalance Serotonin, 60 Capsules
34.7 out of 5 Stars. 3 reviews
MoxyVites 5-HTP 100mg + P-5-P B6 Mood, Sleep & Stress Support, Gluten-Free, 120 Vegan Capsules $19.97 Was $24.96
Sponsored
$1997
current price $19.97, Was $24.96$24.96
MoxyVites 5-HTP 100mg + P-5-P B6 Mood, Sleep & Stress Support, Gluten-Free, 120 Vegan Capsules
2904.7 out of 5 Stars. 290 reviews
Bargad Serotonin Support Supplement - Mood, Relaxation & Sleep Support – 60 Vegan Capsules – Non-GMO, Gluten-Free $29.99
Sponsored
$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
NutriCology Seratonin - Serotonin Support Supplement - Mood & Sleep Support Capsules - Neurotransmitter Balance Formula - Vegetarian - 30 Servings - 90 Capsules $62.39
$6239
current price $62.39NutriCology Seratonin - Serotonin Support Supplement - Mood & Sleep Support Capsules - Neurotransmitter Balance Formula - Vegetarian - 30 Servings - 90 Capsules
64.7 out of 5 Stars. 6 reviews
NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, Double Strength, Neurotransmitter Support*, 120 Veg Capsules From $29.99
2 options
Available in additional 2 optionsFrom$2999
NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, Double Strength, Neurotransmitter Support*, 120 Veg Capsules
294.8 out of 5 Stars. 29 reviews
ARG Seratonin - Neurotransmitter Support - Vitamin C, Niacin, Folate & More - Supports Serotonin Pathways, a Positive Outlook & Restfuness - 30 Servings - 90 Capsules $62.39
$6239
current price $62.39ARG Seratonin - Neurotransmitter Support - Vitamin C, Niacin, Folate & More - Supports Serotonin Pathways, a Positive Outlook & Restfuness - 30 Servings - 90 Capsules
Reduced price 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 $8.32 Was $13.99
Reduced price
Now$832
current price Now $8.32, 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
5-HTP 200mg with L-Theanine, Melatonin, Vitamin B6, B12 & Magnesium Halal, Non-GMO, Natural Serotonin Support 60 Capsules $14.24 Was $17.24
Now$1424
current price Now $14.24, Was $17.24$17.24
5-HTP 200mg with L-Theanine, Melatonin, Vitamin B6, B12 & Magnesium Halal, Non-GMO, Natural Serotonin Support 60 Capsules
Vitamatic Sugar Free 5-HTP 200mg Gummies with B6 per Serving - 60 Pectin Based Gummes From $14.99
3 options
Available in additional 3 optionsFrom$1499
Vitamatic Sugar Free 5-HTP 200mg Gummies with B6 per Serving - 60 Pectin Based Gummes
214.2 out of 5 Stars. 21 reviews
Swanson Griffonia 5-HTP Supplement, 100mg, 60 Capsules $10.99
$1099
current price $10.99Swanson Griffonia 5-HTP Supplement, 100mg, 60 Capsules
2454.5 out of 5 Stars. 245 reviews
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
144.3 out of 5 Stars. 14 reviews
Pure Encapsulations Sereniten Plus | Support for Occasional Stress and Restful Sleep* | 45 Capsules $74.00
Sponsored
$7400
current price $74.00Pure Encapsulations Sereniten Plus | Support for Occasional Stress and Restful Sleep* | 45 Capsules
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
434.7 out of 5 Stars. 43 reviews
Swanson 5-Htp 50 mg 60 Capsules $7.76 Was $11.09
Now$776
current price Now $7.76, Was $11.09$11.09
Swanson 5-Htp 50 mg 60 Capsules
1054.4 out of 5 Stars. 105 reviews
BulkSupplements 5-HTP 50mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count $20.97
$2097
current price $20.97BulkSupplements 5-HTP 50mg Capsules - 5-Hydroxytryptophan, Dietary Supplement - 1 Capsule per Serving, 365 Count
25 out of 5 Stars. 2 reviews
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
Serotonin911-5-HTP & L-Tryptophan-Stress/Mood/Relaxation- 12 Bottles-720 Capsules- Dr. Pelican $199.99
$19999
current price $199.99Serotonin911-5-HTP & L-Tryptophan-Stress/Mood/Relaxation- 12 Bottles-720 Capsules- Dr. Pelican
Source Naturals, L-Tryptophan with Coenzyme B-6 for Positive Mood Enhancement and Sleep 500mg 30 Tablets $8.88
$888
current price $8.88Source Naturals, L-Tryptophan with Coenzyme B-6 for Positive Mood Enhancement and Sleep 500mg 30 Tablets
Zahler MasterPeace a Fast-acting relaxation support supplement Natural serotonin metabolism support, 60 capsules. $32.47
$3247
current price $32.47Zahler MasterPeace a Fast-acting relaxation support supplement Natural serotonin metabolism support, 60 capsules.
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 $2.00/oz
$1599
current price $15.99$2.00/oz
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
204 out of 5 Stars. 20 reviews
Best Naturals L-Tryptophan 1000 mg 60 Tablets $9.99
$999
current price $9.99Best Naturals L-Tryptophan 1000 mg 60 Tablets
1004.5 out of 5 Stars. 100 reviews
Metabolic Maintenance 5-HTP 50 mg - Griffonia Extract with Vitamin B6 (P-5-P) - Serotonin & Sleep Support - Mood & Relaxation Formula - Hypoallergenic - 60 Servings - 60 Capsules $26.50
$2650
current price $26.50Metabolic Maintenance 5-HTP 50 mg - Griffonia Extract with Vitamin B6 (P-5-P) - Serotonin & Sleep Support - Mood & Relaxation Formula - Hypoallergenic - 60 Servings - 60 Capsules
SuperSmart - L-Tryptophan Supplement 1000 mg per Day - Mood Support - Serotonin & Melatonin Precursor | Non-GMO & Gluten Free - 120 Tablets $36.00
$3600
current price $36.00SuperSmart - L-Tryptophan Supplement 1000 mg per Day - Mood Support - Serotonin & Melatonin Precursor | Non-GMO & Gluten Free - 120 Tablets
15 out of 5 Stars. 1 reviews
Teen Link Teen Mood Support Supplement with 5-HTP, GABA & Tyrosine, 60 Capsules $15.71
$1571
current price $15.71Teen Link Teen Mood Support Supplement with 5-HTP, GABA & Tyrosine, 60 Capsules
15 out of 5 Stars. 1 reviews
Best Naturals 5-HTP 200 mg 120 Vegetarian Capsules $16.99
$1699
current price $16.99Best Naturals 5-HTP 200 mg 120 Vegetarian Capsules
454.5 out of 5 Stars. 45 reviews
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
Doctor's Best 5-HTP Enhanced with Vitamins B6 and C, Non-GMO, Vegan, Gluten Free, Soy Free, 120 Veggie Caps $18.65 15.5 ¢/ea
$1865
current price $18.6515.5 ¢/ea
Doctor's Best 5-HTP Enhanced with Vitamins B6 and C, Non-GMO, Vegan, Gluten Free, Soy Free, 120 Veggie Caps
144.5 out of 5 Stars. 14 reviews
Fineland Vitamins 5-HTP Stress and Anxiety Support Vegan Capsules 60 Count $26.99
$2699
current price $26.99Fineland Vitamins 5-HTP Stress and Anxiety Support Vegan Capsules 60 Count
34.7 out of 5 Stars. 3 reviews
Pure Encapsulations SeroPlus | Hypoallergenic Serotonin Support to Support Moderate Occasional Stress* | 120 Capsules $58.00
$5800
current price $58.00Pure Encapsulations SeroPlus | Hypoallergenic Serotonin Support to Support Moderate Occasional Stress* | 120 Capsules
54.2 out of 5 Stars. 5 reviews
XYMOGEN Appe-Curb - Craving Support Formula - Supports Healthy Serotonin Levels - 5-HTP & DL-Phenylalanine - Vegetarian, Non-GMO & Gluten Free - 240 Capsules $74.99
$7499
current price $74.99XYMOGEN Appe-Curb - Craving Support Formula - Supports Healthy Serotonin Levels - 5-HTP & DL-Phenylalanine - Vegetarian, Non-GMO & Gluten Free - 240 Capsules
LifeLink's 5-HTP (5-Hydroxy-L-Tryptophan) | 25 mg x 90 Sublingual tablets | Precursor to Serotonin | Mood, Sleep, Libido, Appetite | Gluten Free & Non-GMO $16.70
$1670
current price $16.70LifeLink's 5-HTP (5-Hydroxy-L-Tryptophan) | 25 mg x 90 Sublingual tablets | Precursor to Serotonin | Mood, Sleep, Libido, Appetite | Gluten Free & Non-GMO
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(3 pack) Vitamatic 5-HTP 200mg with B6 5mg Per Serving - 240 Vegetarian Capsules (5-Hydroxytryptophan) - (Griffonia Simplicifolia Seed Extract)$51.27current price $51.27Vitamatic L-Theanine 200mg with Caffeine 100mg 120 Vegetarian Tablets - Nootropic Supplement
Vitamatic L-Theanine 200mg with Caffeine 100mg 120 Vegetarian Tablets - Nootropic Supplement$9.99current price $9.99SuperSmart - L-Tryptophan Supplement 1000 mg per Day - Mood Support - Serotonin & Melatonin Precursor | Non-GMO & Gluten Free - 120 Tablets
SuperSmart - L-Tryptophan Supplement 1000 mg per Day - Mood Support - Serotonin & Melatonin Precursor | Non-GMO & Gluten Free - 120 Tablets$36.00current price $36.005 HTP Supplement 400mg | 120 Capsules | 5 Hydroxytryptophan | by Horbaach
5 HTP Supplement 400mg | 120 Capsules | 5 Hydroxytryptophan | by Horbaach$18.59current price $18.59Maximize Within GABA (Gamma-Aminobutyric Acid) 750mg 60 Count
Maximize Within GABA (Gamma-Aminobutyric Acid) 750mg 60 Count$14.99current price $14.99BulkSupplements L-Theanine Capsules - Theanine Supplement, Amino Acid Supplement - 1 Capsule per Serving (200mg), 365 Count
BulkSupplements L-Theanine Capsules - Theanine Supplement, Amino Acid Supplement - 1 Capsule per Serving (200mg), 365 Count$19.97current price $19.97(2 pack) Best Naturals 5-HTP 200 mg 120 Vegetarian Capsules
(2 pack) Best Naturals 5-HTP 200 mg 120 Vegetarian Capsules$30.58current price $30.58TransformHQ Caffeine & L-Theanine (100mg Each) 180 Caps - Gluten Free, Non-GMO
TransformHQ Caffeine & L-Theanine (100mg Each) 180 Caps - Gluten Free, Non-GMO$14.95current price $14.95Neurogan Huperzine A Tablets - 400 mcg (60 Tablets) - Learning and Memory Health* Maximum Strength - Third-Party Tested - USA Made
Neurogan Huperzine A Tablets - 400 mcg (60 Tablets) - Learning and Memory Health* Maximum Strength - Third-Party Tested - USA Made
5 HTP Supplement 200mg | 180 Capsules | 5 Hydroxytryptophan | by Horbaach
5 HTP Supplement 200mg | 180 Capsules | 5 Hydroxytryptophan | by Horbaach$15.28current price $15.28BulkSupplements 5-HTP Powder - 5-Hydroxytryptophan, Dietary Supplement - 25g (0.88 oz)
BulkSupplements 5-HTP Powder - 5-Hydroxytryptophan, Dietary Supplement - 25g (0.88 oz)$18.97current price $18.97Life Extension L-Theanine, amino acid theanine, calm, relaxation, mood, gluten-free, non-GMO, vegetarian, 100 mg, 60 capsules
Life Extension L-Theanine, amino acid theanine, calm, relaxation, mood, gluten-free, non-GMO, vegetarian, 100 mg, 60 capsules$17.95current price $17.95BulkSupplements GABA Powder - 750mg per Serving - 5 Kilograms (11 lbs) - 6667 Servings
BulkSupplements GABA Powder - 750mg per Serving - 5 Kilograms (11 lbs) - 6667 Servings$137.97current price $137.97Best Naturals 5-HTP 50 mg Gluten-Free Amino Acid Supplements, 120 Count
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