Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Swanson Vitamins

NWF165 | NOW Double Strength 5-HTP 200 mg bottle front label, 60 Veg Capsules, Neurotransmitter Support

NWF165 | NOW Double Strength 5-HTP 200 mg bottle front label, 60 Veg Capsules, Neurotransmitter Support

Swanson Vitamins

Double Strength 5-HTP

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$22.39

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

One time purchase

$22.39

Subscribe

$22.39

Delivers every 30 days

Description

Extracted from the bean of an African plant (Griffonia simplicifolia), Double Strength 5-HTP from NOW is an intermediate metabolite between the amino acid L-tryptophan and serotonin.

Delivery & Returns

Swanson Vitamins

4.9 (3K)

You might also like

NWF010 | NOW 5-HTP 100 mg white bottle with orange label, 120 Veg Capsules

Swanson Vitamins

5-HTP

NWF312 | NOW Glycine 1000 mg white bottle with orange label, 100 Veg Capsules

Swanson Vitamins

Glycine

(1)

SLR201 | Solaray Magnesium Asporotate 400 mg, 120 VegCaps dietary supplement

Swanson Vitamins

Magnesium Asporotate

NA405 | Natrol 5-HTP 200mg time-release tablets bottle front label mood + stress, 30 tablets

Swanson Vitamins

5-HTP Time Release

KL564 | Bottle of KAL Magnesium Glycinate 350 supplement, 160 VegCaps front label

Swanson Vitamins

High Absorption Magnesium Glycinate 350

NWF225 | NOW L-Glutamine 500 mg bottle with orange label, 120 veg capsules and Amino Acid text

Swanson Vitamins

L-Glutamine

DVL169 | White bottle of DaVinci Laboratories NAD+ ACTIVATE supplement, 30 capsules, labeled vegetarian gluten free soy free

Swanson Vitamins

NAD+ Activate

NWF333 | NOW Methyl B-12 1,000 mcg bottle front label, 100 lozenges

Swanson Vitamins

Methyl B-12

(1)

BulkSupplements.com

BulkSupplements.com

BulkSupplements.com

4.4

(4.7K)

Creatine Monohydrate Powder 500g Main Image

Creatine Monohydrate Powder 500g Main Image

NMN Powder 50g Main Image

BulkSupplements.com NMN 60 ct capsules bottle image

Glycine Powder 500g Main Image

HE103 | Brown bottle with orange cap and blue label reading HERBS ETC DEEP SLEEP herbal supplement 120 softgels

Swanson Vitamins

Deep Sleep

GLF186 | Garden of Life Organics B-12 organic spray, raspberry flavor, 58 ml bottle with box

Swanson Vitamins

Organics B-12 Organic Spray - Raspberry

NWF253 | NOW Double Strength L-Tryptophan 1000 mg bottle, 60 tablets

Swanson Vitamins

Double Strength L-Tryptophan

$SLG208 | Amber glass bottle with gold label reading B-COMPLEX \$

Swanson Vitamins

B-Complex "50"

SLG279 | Solgar Flaxseed Oil 1250 MG amber bottle with gold label, 100 softgels dietary supplement

Swanson Vitamins

Flaxseed Oil

SW1065 | Swanson Full Spectrum Chasteberry Fruit, Hormonal Support, 400 mg per capsule, 120 vegan capsules

Swanson Vitamins

Full Spectrum Chasteberry Fruit

NWF106 | NOW L-Tyrosine 500 mg supplement bottle with orange label, 120 capsules

Swanson Vitamins

L-Tyrosine

NWF900 | NOW L-Tryptophan 500 mg supplement bottle with orange label, 120 Veg Capsules

Swanson Vitamins

L-Tryptophan

NWF901 | NOW NAC 600 mg supplement bottle front label showing 250 capsules Non-GMO

Swanson Vitamins

NAC

PF067 | Planetary Herbals Holy Basil Extract bottle, front label 450 mg 60 capsules

Swanson Vitamins

Holy Basil Extract

Dr. Berg

Dr. Berg

Dr. Berg

4.8

(28.3K)

D3 and K2 Vitamin 10,000 IU, 120 capsules, front view, bottle with Dr. Berg branding.

D3 and K2 Vitamin 10,000 IU, 120 capsules, front view, bottle with Dr. Berg branding.

Magnesium Glycinate with added vitamin B6 and D, 150 capsules, front view, bottle with Dr. Berg branding.

Electrolyte Powder, Lemonade Flavor, 50 Servings, 10.76 ounces, front view, bottle with Dr. Berg branding and a glass of lemonade on the cover.

Wild-Caught Omega-3 Cod Liver Fish Oil, 60 softgels, front view, Dr. Berg branding, packaged in the U.S.A.

NWF195 | NOW Glycine Pure Powder supplement bottle, 1 lb (454 g) with orange label

Swanson Vitamins

Glycine Pure Powder

(1)

nutraLife THE ORIGINAL SAMe 400mg dietary supplement box front showing MOOD JOINT LIVER claims and 30 tablets

Swanson Vitamins

The Original SAMe

NWF391 | NOW Vitamin D-3 5,000 IU, High Potency, 240 softgels bottlesupports bone and immune health

Swanson Vitamins

High Potency Vitamin D-3

(2)

SW873 | Swanson DL-Phenylalanine, Brain Support, 500 mg per capsule, 100 capsules bottle front

Swanson Vitamins

DL-Phenylalanine

NWF866 | NOW Choline & Inositol supplement bottle, orange label, 100 veg capsules, Nervous System Health

Swanson Vitamins

Choline & Inositol

(1)

NTM010 | Nature Made Folic Acid 400 mcg dietary supplement bottle, 250 tablets, yellow label

Swanson Vitamins

Folic Acid

#Dosage_100 mg, 120 veg capsules

Netrition

NOW 5-HTP

(1)

Solgar Chromium Picolinate 500 MCG amber bottle front label showing 60 vegetable capsules dietary supplement

Swanson Vitamins

Chromium Picolinate

(3)

ZOU016 | Zhou DIM Active supplement bottle, 60 veggie capsules, With Activated Broccoli Extract, Hormonal Balance Complex

Swanson Vitamins

DIM Active

CDG009 | White Codeage jar labeled Multi Collagen Peptides powder unflavored 20 oz

Swanson Vitamins

Multi Collagen Peptides - Unflavored

(3)

Piping Rock

Piping Rock

Piping Rock

4.8

(17.8K)

Turmeric Curcuwin 550 mg per 2 capsules, 60 vegan capsules. Herbal supplement bottle.

Absorbable Calcium 1200 mg plus D3 1000 IU in a bottle of 200 fast-release softgels.

NWF1107 | NOW Double Strength Taurine 1000 mg supplement bottle, 250 veg capsules, orange label

Swanson Vitamins

Double Strength Taurine

(1)

NWF766 | NOW L-Theanine 100 mg supplement bottle with orange label, 90 veg capsules

Swanson Vitamins

L-Theanine

NWF047 | NOW GABA 500 mg bottle, 100 Veg Capsules label showing Neurotransmitter Support

Swanson Vitamins

GABA

NWF1315 | NOW Magtein Magnesium L-Threonate bottle, 90 veg capsules labeled Cognitive Support

Swanson Vitamins

Magtein - Magnesium L-Threonate

NWF177 | NOW Double Strength L-Lysine 1000 mg white bottle with orange label, 100 tablets

Swanson Vitamins

Double Strength L-Lysine

SLR371 | Solaray L-Lysine 500 mg bottle with yellow label stating L-LYSINE 500 mg and 60 vegcaps

Swanson Vitamins

L-Lysine

NWF353 | White bottle of NOW Super Primrose 1300 mg evening primrose oil, 120 softgels label Women's Health

Swanson Vitamins

Super Primrose

NFC030 | Natural Factors Suntheanine L-Theanine 100 mg bottle, 60 chewable tablets front label

Swanson Vitamins

Stress Relax Suntheanine L-Theanine

SLG251 | Solgar Vitamin E 268 mg (400 IU) amber bottle labeled 100 softgels

Swanson Vitamins

Vitamin E

SLR327 | Solaray Bio E + Selenium with Lecithin 268 mg, 120 softgels

Swanson Vitamins

Bio E + Selenium

5-HTP 100 mg Chewables-Amino Acids-AlchePharma

AlchePharma Naturals

5-HTP 100 mg - Citrus Flavored - 60 Chewables

Organics Ocean

Organics Ocean

4.6

(10.6K)

Organics Ocean Better Black Seed Oil

Organics Ocean Better Black Seed Oil

Organics Ocean Wild Sea Moss

Organics Ocean One-Per-Day Shilajit

HPH059 | amber glass dropper bottle labeled MARSHMALLOW herbal supplement, 1 fl oz

Swanson Vitamins

Marshmallow Extract

NBY059 | Nature's Bounty Hair, Skin & Nails gummies bottle with strawberries, 80 gummies

Swanson Vitamins

Hair, Skin & Nails Gummies - Strawberry

NWF1318 | NOW Double Strength L-Theanine 200 mg white bottle with orange label, 120 veg capsules

Swanson Vitamins

Double Strength L-Theanine

(2)

NWF1121 | NOW Zinc Picolinate 50 mg bottle front label, 120 veg capsules, immune support

Swanson Vitamins

Zinc Picolinate

Seasonal skin refresh

Seasonal skin refresh

Cleansing oils, gel washes, and micellar water.

NWF837 | NOW MSM methylsulfonylmethane 1000 mg white bottle with orange label, 240 veg capsules

Swanson Vitamins

MSM

SWU375 | Swanson Apigenin supplement bottle, 50 mg per capsule, 90 capsules, green capsules visible

Swanson Vitamins

Apigenin

(2)

NWF1371 | NOW P-5-P 50 mg supplement bottle front label, Nervous System Health, 90 Veg Capsules

Swanson Vitamins

P-5-P

NW334 | Nature's Way B-100 Complex supplement bottle, high potency formula, 100 capsules

Swanson Vitamins

High Potency B-100 Complex

LE182 | Life Extension Neuro-Mag magnesium L-Threonate bottle, 90 vegetarian capsules, supports memory and cognitive function

Swanson Vitamins

Neuro-Mag Magnesium L-Threonate

(1)

Terry Naturally Healthy Feet & Nerves supplement box front showing product name, red packaging, 120 capsules vegan

Swanson Vitamins

Terry Naturally Healthy Feet & Nerves

LE566 | Life Extension Esophageal Guardian Berry Flavor bottle front label showing 60 chewable tablets dietary supplement

Swanson Vitamins

Esophageal Guardian - Berry

NWF532 | NOW Caprylic Acid 600 mg white bottle with orange label, 100 softgels

Swanson Vitamins

Caprylic Acid

NTP080 | NaturesPlus SPIRU-TEIN protein powder meal chocolate flavor front label with chocolate shake

Swanson Vitamins

Spiru-Tein Protein Powder Meal - Chocolate

Solgar Triple Strength Omega 3 950 mg EPA & DHA 100 softgels dietary supplement bottle

Swanson Vitamins

Triple Strength Omega 3

(1)

DEV020 | DEVA Vegan Evening Primrose Oil bottle, cold-pressed, 90 vegan capsules

Swanson Vitamins

Vegan Evening Primrose Oil

Jarrow FORMULAS Vegan Methyl Folate 1000 MCG bottle front label showing Ultra Strength and 100 veggie capsules

Swanson Vitamins

Vegan Methyl Folate Ultra Strength

SLG277 | Solgar Evening Primrose Oil 1300 MG amber bottle front label, 60 softgels

Swanson Vitamins

Evening Primrose Oil

NWF831 | NOW Sports L-Glutamine 1000 MG supplement bottle showing orange veg capsules and label

Swanson Vitamins

L-Glutamine - Double Strength

NWF307 | NOW GABA 750 mg supplement bottle, 100 veg capsules, orange label

Swanson Vitamins

GABA

SN219 | Source Naturals Wellness Formula Advanced Immune Support, 240 capsules

Swanson Vitamins

Wellness Formula Advanced Immune Support

(1)

NFC141 | Natural Factors Pharma GABA 100 mg bottle, fast acting, 60 vegetarian capsules front label

Swanson Vitamins

Stress-Relax Pharma GABA

(1)

NWF1048 | White bottle of NOW Double Strength Ginkgo Biloba 120 mg with orange label reading 200 Veg Capsules

Swanson Vitamins

Double Strength Ginkgo Biloba

The hair repair edit

The hair repair edit

Serums, blowout creams, and humidity shields.

NWF643 | Now High Potency Vitamin D-3 2,000 IU white bottle with orange label, 240 softgels

Swanson Vitamins

High Potency Vitamin D-3

(1)

NWF581 | White bottle of NOW Vitamin D-3 & K-2, 1,000 IU/45 mcg, 120 capsules, supports bone health

Swanson Vitamins

Vitamin D-3 & K-2

(11)

NWF704 | NOW Selenium 200 mcg dietary supplement bottle with orange label, 180 veg capsules

Swanson Vitamins

Selenium - Yeast Free

NWF117 | NOW Double Strength L-Arginine 1000 mg bottle, 120 tablets

Swanson Vitamins

Double Strength L-Arginine

NWF881 | NOW E-400 250-count softgels bottle with orange label reading E-400 and Antioxidant Protection

Swanson Vitamins

E-400 with Mixed Tocopherols

SLG355 | Solgar Magnesium Citrate brown bottle with gold label, highly absorbable, 120 tablets dietary supplement

Swanson Vitamins

Magnesium Citrate

JR346 | Jarrow Formulas Vegan MSM 1000 mg, 200 veggie capsules dietary supplement bottle

Swanson Vitamins

Vegan MSM Methylsulfonylmethane

QU029 | Quantum Health SuperLysine+ Immune Support supplement bottle, 180 tablets, front label

Swanson Vitamins

SuperLysine+

NWF834 | NOW L-Tyrosine 750 mg extra strength supplement bottle, 90 veg capsules

Swanson Vitamins

L-Tyrosine

NWF588 | NOW Alpha GPC 300 mg white bottle with orange label, 60 veg capsules, Cognitive Support

Swanson Vitamins

Alpha GPC

NWF1398 | NOW Magnesium Glycinate with BioPerine, 180 Veg Capsules front label

Swanson Vitamins

Magnesium Glycinate with BioPerine

(2)

NWF286 | NOW Betaine HCl 648 mg white bottle with orange label, 120 veg capsules

Swanson Vitamins

Betaine HCl

HPH058 | Herb Pharm Lemon Balm dropper bottle herbal supplement, 1 fluid ounce, for nervous system calming

Swanson Vitamins

Lemon Balm - Nervous System

IR139 | Irwin Naturals 5-HTP Extra mood and relaxation 60 liquid soft-gels bottle with green label

Swanson Vitamins

Double Potency 5-HTP Extra

NWF755 | NOW Inositol Capsules 500 mg white bottle with orange label, 100 capsules

Swanson Vitamins

Inositol Capsules

SLR485 | Solaray Magnesium Glycinate 350 mg front bottle label, 240 vegcaps

Swanson Vitamins

Magnesium Glycinate

(4)

SLG219 | Solgar Ester-C 500 MG Vitamin C bottle front label, 100 vegetable capsules, dietary supplement

Swanson Vitamins

Ester-C Plus Vitamin C

JR312 | Jarrow Formulas Alpha Lipoic Sustain with Biotin, 120 tablets

Swanson Vitamins

Vegan Alpha Lipoic Sustain with Biotin

Coconut milk nails

Coconut milk nails

Sheer, off-white, glossy manicures.

NWF1156 | NOW Phase2 starch neutralizer white kidney bean extract bottle, 500 mg, 120 veg capsules

Swanson Vitamins

Phase 2

BRN129 | SleepCalm On The Go homeopathic sleep relief box and two portable tubes, melatonin-free meltaway pellets

Swanson Vitamins

SleepCalm

SLR455 | Solaray Nattokinase Serrapeptase supplement bottle front label, enteric coated, 30 vegcaps

Swanson Vitamins

Nattokinase Serrapeptase

KY123 | Kyolic Phytosterols for Cholesterol Support bottle front, 240 capsules, aged garlic extract

Swanson Vitamins

Phytosterols Cholesterol Support Formula 107