Best Selling Tryptophan on Amazon
124
Products
USMarketplace
May 2026Reporting Period
Sales Volume of Top ASINs for 'tryptophan' on AmazonMay 2026

Most Selling Products

This list compiles the monthly sales and rankings of all ASINs that appeared within the first three pages of search results for the keyword “tryptophan” on Amazon.com in the United States, totaling 124 products. Under this keyword, the top-ranked ASIN recorded more than 10,000 orders in May.
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124
ASINs
1
BodyHealth PerfectAmino (150 ct) Easy to Swallow Tablets, Essential Amino Acids Supplement with BCAAs, Vegan Protein for Pre/Post Workout & Muscle Recovery with Lysine, Tryptophan, Leucine, Methionine
Title
BodyHealth PerfectAmino (150 ct) Easy to Swallow Tablets, Essential Amino Acids Supplement with BCAAs, Vegan Protein for Pre/Post Workout & Muscle Recovery with Lysine, Tryptophan, Leucine, Methionine
Sales Volume
10,000+
Price($)
39.99
Ratings
4.5
Reviews
3,420
2
Clean Nutraceuticals GABA 750mg 5 HTP 200mg L Tryptophan 500mg L Theanine 200mg Ashwagandha SAM-e L-Glycine - Mood Support Vitamins for Women and Men with L-Tyrosine 5-HTP (5-Hydroxytryptophan)
Title
Clean Nutraceuticals GABA 750mg 5 HTP 200mg L Tryptophan 500mg L Theanine 200mg Ashwagandha SAM-e L-Glycine - Mood Support Vitamins for Women and Men with L-Tyrosine 5-HTP (5-Hydroxytryptophan)
Sales Volume
4,000+
Price($)
29.95
Ratings
4.4
Reviews
2,545
3
Natural Factors Suntheanine L-Theanine 100 mg - Health Supplement for Calm Outlook - L-Theanine Supplement Supports Relaxing Sleep & Aids Against Drowsiness - 60 Chewable Tablets (30 Servings)
Title
Natural Factors Suntheanine L-Theanine 100 mg - Health Supplement for Calm Outlook - L-Theanine Supplement Supports Relaxing Sleep & Aids Against Drowsiness - 60 Chewable Tablets (30 Servings)
Sales Volume
2,000+
Price($)
18.87
Ratings
4.5
Reviews
1,759
4
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
Title
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
Sales Volume
2,000+
Price($)
16.79
Ratings
4.6
Reviews
10,749
5
Nutricost 5-HTP 200mg, 120 Vegetarian Capsules (5-Hydroxytryptophan) - Non-GMO & Gluten Free
Title
Nutricost 5-HTP 200mg, 120 Vegetarian Capsules (5-Hydroxytryptophan) - Non-GMO & Gluten Free
Sales Volume
2,000+
Price($)
16.94
Ratings
4.5
Reviews
3,746
6
NOW Foods Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules
Title
NOW Foods Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules
Sales Volume
1,000+
Price($)
15.00
Ratings
4.5
Reviews
5,643
7
THORNE - 5-HTP - Contains Vitamin B6 - Serotonin Support for Sleep & Stress Management* - 5-Hydroxytryptophan Supplement - Third-Party Certified - Gluten, Dairy & Soy-Free - 90 Capsules
Title
THORNE - 5-HTP - Contains Vitamin B6 - Serotonin Support for Sleep & Stress Management* - 5-Hydroxytryptophan Supplement - Third-Party Certified - Gluten, Dairy & Soy-Free - 90 Capsules
Sales Volume
1,000+
Price($)
39.00
Ratings
4.5
Reviews
1,018
8
BodyHealth PerfectAmino Tablets (150 ct), Essential Amino Acid with BCAAs + Lysine, Phenylalanine, Threonine, Methionine, Tryptophan, Supplement for Muscle Mass Production, Recovery & Strength
Title
BodyHealth PerfectAmino Tablets (150 ct), Essential Amino Acid with BCAAs + Lysine, Phenylalanine, Threonine, Methionine, Tryptophan, Supplement for Muscle Mass Production, Recovery & Strength
Sales Volume
1,000+
Price($)
39.99
Ratings
4.5
Reviews
4,255
9
Nutricost L-Tryptophan 500mg, 120 Capsules - with BioPerine, Gluten Free, Non-GMO
Title
Nutricost L-Tryptophan 500mg, 120 Capsules - with BioPerine, Gluten Free, Non-GMO
Sales Volume
1,000+
Price($)
14.95
Ratings
4.5
Reviews
2,402
10
Pure Encapsulations Essential Amino Acids - Muscle Recovery Support & Health* - with Leucine, Threonine & Tryptophan - 180 Capsules
Title
Pure Encapsulations Essential Amino Acids - Muscle Recovery Support & Health* - with Leucine, Threonine & Tryptophan - 180 Capsules
Sales Volume
1,000+
Price($)
55.00
Ratings
4.7
Reviews
1,108
Keyword Tryptophan Weekly Search Volume Trend
7,309
101,986
Search Frequency Rank
During May 17–23, this keyword ranked 101,986 in Amazon's Brand Analytics(ABA) report, down 7,309 from the previous week. The most recent Weekly search volume was 1,902 (-13.58% WoW). These insights help Amazon Sellers track long-term demand trends, identify market opportunities, and spot seasonal peaks.
Tryptophan Market Overview
This dataset shows the distribution of all ASINs on the first three pages under the keyword "tryptophan". In the price range of $20–$50, there are 340 ASINs, the highest proportion, accounting for 54.40%. Nearly 64.74% of ASINs have a rating of 4.3-4.7. For this keyword, the top three ranked ASINs have a combined click-through rate of 42.71% and a combined conversion rate of 33.33%.
Price Range Distribution($)
Price distribution of all ASINs on the first three pages of search results for this keyword.
Price($)Ratio
0-10
5.12%
10-20
29.60%
20-50
54.40%
50-100
9.44%
100-200
1.44%
200-500
0.00%
500-1,000
0.00%
1,000-0
0.00%
Rating Distribution
Rating distribution of all ASINs on the first three pages of search results for this keyword.
RatingRatio
4.8-5.0
4.47%
4.3-4.7
64.74%
3.8-4.2
27.48%
3.3-3.7
2.98%
2.8-3.2
0.17%
0.0-2.7
0.17%
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Review Count Distribution
Review Count of all ASINs on the first three pages of search results for this keyword.
Review CountRatio
0-100
36.59%
100-500
26.99%
500-1,000
10.43%
1,000-2,000
9.27%
2,000-5,000
9.27%
5,000-10,000
3.64%
10,000-0
3.81%
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Top3 Click Share
42.71%
Trend changes in the combined click share of the Top 3 ASINs for the keyword tryptophan.
Top3 Conversion Share
33.33%
Trend changes in the combined conversion share of the Top 3 ASINs for the keyword tryptophan.
Top3 ASINs
Top 3 ASINs by click share and conversion share for this keyword.
AsinClick(%)Conversion(%)
B0019LWV56B0019LWV56
19.91%
17.78%
B01M03S1JUB01M03S1JU
16.72%
14.44%
B0BVXY3SMHB0BVXY3SMH
6.08%
1.11%
Most Selling Products
Search Volume & Trends
Market Overview
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