10 bestSerotonin Supplementsof October 2026
112M consumers helped this year.
5% off
1
NATURE'S BOUNTY 5-HTP 100 mg Plus, Helps Promote Healthy Mood Balance, 51.8 g
Nature's Bounty
9.9
5% off
2
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support, 120 Veg Capsules
NOW
9.8
15% off
3
Webber Naturals Melatonin Plus, 1.5 mg of Melatonin with L-Theanine & 5-HTP, 40 Chewable Tablets, For Sleep Support, Vegan
Webber Naturals
9.6
4
AOR 5-HTP Extra Strength 60 Capsules, Serotonin & Tryptophan Supplement with Griffonia Extract, Promotes Relaxation, Balanced Lifestyle & Restful Sleep, Vegan, Non-GMO, Dairy & Gluten-Free
AOR
9.4
5% off
5
NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, Double Strength, Neurotransmitter Support, 60 Veg Capsules
NOW
9.2
OtherUp to 10% off
5-HTP Supplement - For Mood Balance, Sleep, Migraines - Made in Canada, Third-Party Tested - Premium Natural Serotonin Booster for Women and Men - 100 mg Capsules, 200 mg Once Daily - Nutritionn
AOR 5-HTP 50mg, 90 Capsules 30-Day Supply - 5-Hydroxytryptophan Supplement for Relaxation, Serotonin Support and Restful Sleep - Vegan, Non-GMO & Gluten-Free, Easy-to-Swallow, Amino Acid Formula
NutraChamps 5-HTP | 120 Vegan Capsules | 100mg Per Capsule | 5HTP Supplement + Co-Factors Vitamin B6 & Vitamin C | Stress Relief, Brain Health, Enhanced Mood & Sleep | Vegan & Non-GMO
NOW Supplements, L-Tryptophan 220 mg, Encourages Positive Mood*, Supports Relaxation*, 60 Veg Capsules
6
Pure Encapsulations 5-HTP | Features Plant-Derived 5-HTP to Support Healthy Mood Balance | 60 Capsules
Pure Encapsulations
9.0
11% off
7
CanPrev 5-HTP 100 mg, 60 Veg Capsules - 5-Hydroxytryptophan with Co-Factos for Sleep Support - Magnesium Bisglycinate & B6 CoFactors for Relaxation & Cognitive Clarity - Vegan Gluten-Free Vitamins
CanPrev
8.8
16% off
8
Webber Naturals Sleep Cycle Melatonin with L-Theanine, 5-HTP & Sleep Botanicals, 60 Tri-Layer Tablets, For Sleep Support, Vegan
Webber Naturals
8.6
9
Thorne 5-Hydroxytryptophan - Serotonin Production Support Supplement - 90 Capsules - 90 Servings
THORNE
8.4
10
Pure Encapsulations - SeroPlus - Hypoallergenic Serotonin Support to support Positive Mood and Moderate Occasional Stress* - 120 Vegetable Capsules
Pure Encapsulations
8.1
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