Best Selling Tryptophan on Amazon
119
Products
USMarketplace
April 2026Reporting Period
Sales Volume of Top ASINs for 'tryptophan' on AmazonApril 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 119 products. Under this keyword, the top-ranked ASIN recorded more than 20,000 orders in April.
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119
ASINs
1
Life Extension N-Acetyl-L-Cysteine (NAC), Immune, Respiratory, Liver Health, NAC 600 mg, Potent antioxidant Support, Free-radicals, Easy to Absorb, 60 Capsules
Title
Life Extension N-Acetyl-L-Cysteine (NAC), Immune, Respiratory, Liver Health, NAC 600 mg, Potent antioxidant Support, Free-radicals, Easy to Absorb, 60 Capsules
Sales Volume
20,000+
Price($)
11.25
Ratings
4.6
Reviews
7,453
2
BodyHealth PerfectAmino (150 ct) Easy to Swallow Tablets, Essential Amino Acids Supplement with BCAAs, Vegan Protein for Pre/Post Workout & Muscle Recovery with Lysine, Tryptophan, Leucine, Methionine
Title
BodyHealth PerfectAmino (150 ct) Easy to Swallow Tablets, Essential Amino Acids Supplement with BCAAs, Vegan Protein for Pre/Post Workout & Muscle Recovery with Lysine, Tryptophan, Leucine, Methionine
Sales Volume
10,000+
Price($)
44.95
Ratings
4.5
Reviews
3,302
3
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
6,000+
Price($)
29.95
Ratings
4.3
Reviews
2,388
4
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
Title
NOW Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
Sales Volume
4,000+
Price($)
16.79
Ratings
4.6
Reviews
10,713
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
4,000+
Price($)
16.94
Ratings
4.4
Reviews
3,656
6
NOW Foods Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules
Title
NOW Foods Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules
Sales Volume
2,000+
Price($)
15.00
Ratings
4.6
Reviews
5,612
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
2,000+
Price($)
39.00
Ratings
4.6
Reviews
1,002
8
BodyHealth PerfectAmino Tablets (150 ct), Essential Amino Acid with BCAAs + Lysine, Phenylalanine, Threonine, Methionine, Tryptophan, Supplement for Muscle Mass Production, Recovery & Strength
Title
BodyHealth PerfectAmino Tablets (150 ct), Essential Amino Acid with BCAAs + Lysine, Phenylalanine, Threonine, Methionine, Tryptophan, Supplement for Muscle Mass Production, Recovery & Strength
Sales Volume
2,000+
Price($)
44.30
Ratings
4.5
Reviews
4,199
9
Nutricost 5-HTP 100mg, 240 Vegetarian Capsules (5-Hydroxytryptophan) - Non-GMO & Gluten Free
Title
Nutricost 5-HTP 100mg, 240 Vegetarian Capsules (5-Hydroxytryptophan) - Non-GMO & Gluten Free
Sales Volume
2,000+
Price($)
19.95
Ratings
4.5
Reviews
9,513
10
Nutricost L-Tryptophan 500mg, 120 Capsules - with BioPerine, Gluten Free, Non-GMO
Title
Nutricost L-Tryptophan 500mg, 120 Capsules - with BioPerine, Gluten Free, Non-GMO
Sales Volume
2,000+
Price($)
14.95
Ratings
4.5
Reviews
2,363
Keyword Tryptophan Weekly Search Volume Trend
5,192
90,723
Search Frequency Rank
During Mar 22–28, this keyword ranked 90,723 in Amazon's Brand Analytics(ABA) report, down 5,192 from the previous week. The most recent Weekly search volume was 2,371 (-8.88% 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–$50, there are 379 ASINs, the highest proportion, accounting for 54.93%. Nearly 66.10% of ASINs have a rating of 4.3-4.7. For this keyword, the top three ranked ASINs have a combined click-through rate of 43.47% and a combined conversion rate of 36.70%.
Price Range Distribution($)
Price distribution of all ASINs on the first three pages of search results for this keyword.
Price($)Ratio
0-10
6.52%
10-20
27.97%
20-50
54.93%
50-100
7.83%
100-200
2.32%
200-500
0.43%
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
5.70%
4.3-4.7
66.10%
3.8-4.2
22.19%
3.3-3.7
5.08%
2.8-3.2
0.77%
0.0-2.7
0.15%
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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
33.13%
100-500
24.50%
500-1,000
7.86%
1,000-2,000
10.32%
2,000-5,000
11.71%
5,000-10,000
5.70%
10,000-0
6.78%
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Top3 Click Share
43.47%
Trend changes in the combined click share of the Top 3 ASINs for the keyword tryptophan.
Top3 Conversion Share
36.70%
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
18.85%
16.94%
B01M03S1JUB01M03S1JU
16.74%
14.11%
B000X24T4SB000X24T4S
7.88%
5.65%
Most Selling Products
Search Volume & Trends
Market Overview
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