SuppHelper
search
All
Vitamin
Minerals
Botanical
Amino acids
Fatty acids
Other
Lysine
Histidine
Taurine
Glycine
Beta-Alanine
Proline
Glutamine
5-HTP
Citrulline
Isoleucine
Aspartic Acid
Theanine
Glutathione
Leucine
Valine
Glutamic Acid
Phenylalanine
Methionine
Arginine
Alanine
Tyrosine
Cysteine
Tryptophan
Products (43) for
Goals:
Stress ReliefBrain HealthMood SupportEnergySleep Support
Image
94
L-Tryptophan 1000 mg, 120 Tablet(s) AN Amazing Nutrition Amazing Formulas
4.5
★ ★ ★ ★ ★
(2630 ratings)
Tryptophan: 1000 mg
Other sellers (2)
Image
88
L-Tryptophan 1000 mg, 60 Tablet(s) AN Amazing Nutrition Amazing Formulas
4.7
★ ★ ★ ★ ★
(560 ratings)
Tryptophan: 1000 mg
Other sellers (1)
Image
82
L-Tryptophan Powder, 2 Liquid(s) NOW
4.3
★ ★ ★ ★ ★
(554 ratings)
Tryptophan: 950 mg
Other sellers (5)
Image
90
L-Tryptophan 500 mg, 90 Veggie Cap(s) Doctor's Best
4.5
★ ★ ★ ★ ★
(2075 ratings)
Tryptophan: 500 mg
Other sellers (3)
Image
90
L-Tryptophan 500 mg, 60 Veggie Cap(s) Jarrow Formulas
4.4
★ ★ ★ ★ ★
(1483 ratings)
Tryptophan: 500 mg
Other sellers (5)
Image
84
L-Tryptophan 500 mg, 90 Capsule(s) Life Extension
4.7
★ ★ ★ ★ ★
(1732 ratings)
Tryptophan: 500 mg
Other sellers (2)
Image
86
L-Tryptophan 500 mg, 90 Veggie Cap(s) Swanson Ultra
4.7
★ ★ ★ ★ ★
(86 ratings)
Tryptophan: 500 mg
Other sellers (0)
Image
78
Optimized Tryptophan Plus, 90 Capsule(s) Life Extension
4.7
★ ★ ★ ★ ★
(1446 ratings)
Tryptophan: 1000 mg
Other sellers (2)
Image
82
L-Tryptophan 500 mg, 60 Capsule(s) Advanced Nutrition by Zahler
4.6
★ ★ ★ ★ ★
(140 ratings)
Tryptophan: 500 mg
Other sellers (2)
Image
88
Serotonin Brain Food, 60 Capsule(s) NS Natural Stacks
4.6
★ ★ ★ ★ ★
(756 ratings)
Tryptophan: 1250 mg
Other sellers (0)
Image
85
Sleep Optimizer, 60 Veggie Cap(s) Jarrow Formulas
4.2
★ ★ ★ ★ ★
(2278 ratings)
Tryptophan: 300 mg
Other sellers (4)
Image
94
Sleep Nighttime Powder, 6 Liquid(s) youtheory
4.3
★ ★ ★ ★ ★
(170 ratings)
Tryptophan: 250 mg
Other sellers (2)
Image
62
L-Tryptophan 500 mg, 60 Capsule(s) Bluebonnet
4.6
★ ★ ★ ★ ★
(439 ratings)
Tryptophan: 500 mg
Other sellers (3)
Image
88
L-Tryptophan, 180 Capsule(s) Pure Encapsulations
4.6
★ ★ ★ ★ ★
(17 ratings)
Tryptophan: 1000 mg
Other sellers (0)
Image
85
Amino-9 Essentials Powder, 330 Gram(s) NOW Sports
4.4
★ ★ ★ ★ ★
(1471 ratings)
Tryptophan: 117 mg
Other sellers (4)
Image
75
L-Tryptophan 500 mg, 60 Capsule(s) Metabolic Maintenance
4.6
★ ★ ★ ★ ★
(43 ratings)
Tryptophan: 500 mg
Other sellers (1)
Image
78
New Mood, 30 Capsule(s) Onnit
4.2
★ ★ ★ ★ ★
(6934 ratings)
Tryptophan: 400 mg
Other sellers (3)
Image
92
Sleep Nighttime Powder, 21 Packet(s) youtheory
4.3
★ ★ ★ ★ ★
(40 ratings)
Tryptophan: 250 mg
Other sellers (1)
Image
75
New MOOD, 60 Capsule(s) Onnit
4.3
★ ★ ★ ★ ★
(760 ratings)
Tryptophan: 400 mg
Other sellers (2)
Image
78
Driftoff, 60 Capsule(s) ZHOU
4.0
★ ★ ★ ★ ★
(3405 ratings)
Tryptophan: 100 mg
Other sellers (4)
Image
62
L-Tryptophan 500 Milligrams, 120 Capsule(s) Montiff
5.0
★ ★ ★ ★ ★
(4 ratings)
Tryptophan: 500 mg
Other sellers (0)
Image
65
Trypto-Plus 500 Milligrams, 100 Capsule(s) Montiff
4.7
★ ★ ★ ★ ★
(3 ratings)
Tryptophan: 500 mg
Other sellers (0)
Image
70
Pegan Thin Seed Protein 20 g Triple Chocolate, 2 Pound(s) Julian Bakery
4.5
★ ★ ★ ★ ★
(56 ratings)
Tryptophan: 580 mg
Other sellers (0)
Image
77
MacroMeal Ultimate Chocolate Protein Powder, 15 Ounce(s) MacroLife Naturals
4.5
★ ★ ★ ★ ★
(8 ratings)
Tryptophan: 424 mg
Other sellers (0)
Image
68
TryptoPure 500 mg, 90 Capsule(s) Progressive Professional from Progressive Laboratories
5.0
★ ★ ★ ★ ★
(1 ratings)
Tryptophan: 500 mg
Other sellers (0)
Image
72
MacroMeal Ultimate Chocolate Protein Powder, 23 Ounce(s) MacroLife Naturals
4.4
★ ★ ★ ★ ★
(19 ratings)
Tryptophan: 424 mg
Other sellers (0)
Image
78
MacroMeal Ultimate Vanilla Protein Powder, 21 Ounce(s) MacroLife Naturals
3.9
★ ★ ★ ★ ★
(8 ratings)
Tryptophan: 412 mg
Other sellers (0)
Image
78
Cognitive Aminos, 120 Capsule(s) Pure Encapsulations
4.8
★ ★ ★ ★ ★
(6 ratings)
Tryptophan: 200 mg
Other sellers (1)
Image
58
L-Tryptophan 500 mg, 30 Capsule(s) Bluebonnet
3.0
★ ★ ★ ★ ★
(1 ratings)
Tryptophan: 500 mg
Other sellers (1)
Image
80
RecoveryPro Chocolate Flavored, 16 Ounce(s) Thorne
4.9
★ ★ ★ ★ ★
(35 ratings)
Tryptophan: 390 mg
Other sellers (1)
1–20 of 43

SuppHelper

Compare supplements smarter. Science-backed, user-rated, updated daily.

Explore

  • Compare Supplements
  • Health Goals
  • Stacks

Legal

  • Privacy Policy
  • Terms of Use
  • Medical Disclaimer

Stay in the Loop

© 2025 SuppHelper. All rights reserved.