Best Selling L Tryptophan 500mg: See Top Product Rankings by Sales Volume & Market Trends

August 2026
130 Products Tracked

Looking for the most popular l tryptophan 500mg products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "l tryptophan 500mg." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B0013OUPSE currently leads the l tryptophan 500mg market with 8K monthly sales, followed closely by B01AMSMDY0 with 5K monthly sales and B074R3KVY8 with 3K monthly sales. Meanwhile, ASIN B00GDXHBS2 stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales August 2026
NOW L-Tyrosine 500 mg,120 Capsules
1
B0013OUPSE
$11.01·
4.4
Units/sold8K
Nutricost L-Tyrosine Supplement 500mg, 180 Capsules, Gluten-Free, GMO-Free
2
B01AMSMDY0
$14.95·
4.4
Units/sold5K
Pure Encapsulations Essential Amino Acids, 180 Capsules | Muscle Recovery Support and Health*, with Leucine, Threonine and Tryptophan
3
B074R3KVY8
$55.00·
4.7
Units/sold3K
🚀Fastest Growing
by MoM sales growth
THORNE 5-HTP, 100 mg 5-Hydroxytryptophan & Active Vitamin B6, 90 Capsules | Supports Healthy Serotonin Levels, Restful Sleep, Positive Mood & Stress Management*, Gluten-Free, NSF Contents Certified
#1
B00GDXHBS2
$39.00·
4.5
THORNE 5-HTP, 100 mg 5-Hydroxytryptophan & Active Vitamin B6, 90 Capsules | Supports Healthy Serotonin Levels, Restful Sleep, Positive Mood & Stress Management*, Gluten-Free, NSF Contents Certified
Units/sold
2K100.0%
Clean Nutraceuticals Amino Acids Supplement L-Lysine, L-Threonine, L-Leucine, Isoleucine, Valine, L-Histidine, L-Tryptophan, L-Methionine, L-Arginine, L-Cysteine, L-Glutamine, L-Serine, Aspartic Acid
#2
B0D71S86NT
$29.95·
4.5
Clean Nutraceuticals Amino Acids Supplement L-Lysine, L-Threonine, L-Leucine, Isoleucine, Valine, L-Histidine, L-Tryptophan, L-Methionine, L-Arginine, L-Cysteine, L-Glutamine, L-Serine, Aspartic Acid
Units/sold
2K100.0%

Top Selling L Tryptophan 500mg

As of August 2026, we analyzed 130 tracked products in Amazon's "l tryptophan 500mg" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 700 and 8,000 monthly sales. B0013OUPSE leads the l tryptophan 500mg market with an estimated 8,000 monthly sales, down 11.1% from the previous month.

130Products Tracked
2,640Top 10 Avg. Sales
$24.37Top 10 Avg. Price
4.5Top 10 Avg. Rating
🏆
NOW L-Tyrosine 500 mg,120 Capsules
#1
B0013OUPSE

NOW L-Tyrosine 500 mg,120 Capsules

8,000
▼ 11.1%
Units Sold/mo
$11.01
Price
4.4
Rating
16.1K
Reviews
2
Nutricost L-Tyrosine Supplement 500mg, 180 Capsules, Gluten-Free, GMO-Free
B01AMSMDY0
$14.95
4.4 (5.8K)
Nutricost L-Tyrosine Supplement 500mg, 180 Capsules, Gluten-Free, GMO-Free
5,000 Units Sold/mo▼ 16.7%
3
Pure Encapsulations Essential Amino Acids, 180 Capsules | Muscle Recovery Support and Health*, with Leucine, Threonine and Tryptophan
B074R3KVY8
$55.00
4.7 (1.1K)
Pure Encapsulations Essential Amino Acids, 180 Capsules | Muscle Recovery Support and Health*, with Leucine, Threonine and Tryptophan
3,000 Units Sold/mo▲ 50.0%
4
NOW Foods Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules
B0019LWV56
$21.49
4.5 (5.8K)
NOW Foods Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules
2,000 Units Sold/mo
5
THORNE 5-HTP, 100 mg 5-Hydroxytryptophan & Active Vitamin B6, 90 Capsules | Supports Healthy Serotonin Levels, Restful Sleep, Positive Mood & Stress Management*, Gluten-Free, NSF Contents Certified
B00GDXHBS2
$39.00
4.5 (1K)
THORNE 5-HTP, 100 mg 5-Hydroxytryptophan & Active Vitamin B6, 90 Capsules | Supports Healthy Serotonin Levels, Restful Sleep, Positive Mood & Stress Management*, Gluten-Free, NSF Contents Certified
2,000 Units Sold/mo▲ 100.0%
10
Horbäach L Tryptophan 1500mg Capsules | 240 Count | Nighttime Formula | Non-GMO, Gluten Free Supplement
B07JNGTF3W
$19.69
4.4 (2.4K)
Horbäach L Tryptophan 1500mg Capsules | 240 Count | Nighttime Formula | Non-GMO, Gluten Free Supplement
700 Units Sold/mo
View All 130 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the l tryptophan 500mg price landscape, we segmented all 130 tracked listings in Amazon's live "l tryptophan 500mg" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $20.00 ~ $50.00 band is the category's best l tryptophan 500mg price zone, absorbing 47% of the assortment (128 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the l tryptophan 500mg category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 47% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
47%
128 products

Top products in this price tier

#1
B0013OUPSE
$11.01
8k Units Sold/mo
Unlock Top Performers
#2
$10.00 ~ $20.00
Tier 2
33%
89 products
$0.00 ~ $10.00
Tier 3
10%
28 products
$50.00 ~ $100.00
7%
Unlock to view all price tier distributions and their ASIN sales contributions

"L tryptophan 500mg" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "l tryptophan 500mg" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-07-26 to 2026-08-01, the Amazon USweekly search volume for "l tryptophan 500mg" was approximately 275 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #654,787, dropping 102,935 positions from the previous week. Additionally, the top 3 products for this keyword capture 60.6% of the total click share and 45.7% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

l tryptophan 500mg

ASINSIGHT
Search Frequency Rank
654,787
102,935
Search Volume
275
16.2%
Top 3 Click Share
60.6%
Top 3 Conv. Share
45.7%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
275
View full trends for the past 3 years
AugSepOctNovDecJanFebMarAprMayJunJul

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