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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 5-HTP 100 mg Plus, Helps Promote Healthy Mood Balance, 51.8 g

Nature's Bounty

9.9

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5% off

2

NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support, 120 Veg Capsules
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support, 120 Veg Capsules

NOW

9.8

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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 Melatonin Plus, 1.5 mg of Melatonin with L-Theanine & 5-HTP, 40 Chewable Tablets, For Sleep Support, Vegan

Webber Naturals

9.6

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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 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

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5% off

5

NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, Double Strength, Neurotransmitter Support, 60 Veg Capsules
NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, Double Strength, Neurotransmitter Support, 60 Veg Capsules

NOW

9.2

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6

Pure Encapsulations 5-HTP | Features Plant-Derived 5-HTP to Support Healthy Mood Balance | 60 Capsules
Pure Encapsulations 5-HTP | Features Plant-Derived 5-HTP to Support Healthy Mood Balance | 60 Capsules

Pure Encapsulations

9.0

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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 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

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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 Sleep Cycle Melatonin with L-Theanine, 5-HTP & Sleep Botanicals, 60 Tri-Layer Tablets, For Sleep Support, Vegan

Webber Naturals

8.6

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9

Thorne 5-Hydroxytryptophan - Serotonin Production Support Supplement - 90 Capsules - 90 Servings
Thorne 5-Hydroxytryptophan - Serotonin Production Support Supplement - 90 Capsules - 90 Servings

THORNE

8.4

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10

Pure Encapsulations - SeroPlus - Hypoallergenic Serotonin Support to support Positive Mood and Moderate Occasional Stress* - 120 Vegetable Capsules
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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