Amino acidUpdated 2026-11-05
L-Tryptofan
In our live catalog, 24 products have L-Tryptofan as the main ingredient, and 100 more contain L-Tryptofan. Median amount per serving is 500 mg. Median price is €16.75.
- Products
- 24
- +100 more also contain L-Tryptofan
- Median per serving
- 500 mg
- Per serving
- €0.24
- median · 10 with dose
- Median price
- €16.75
- Structured dose
- 42 %
- 10 of 24 products
In our catalog
What the range looks like
Live figures from our structured ingredient data — recalculated when the catalogue changes, never copied from marketing.
- Amount span per serving
- 200–1,000 mg
- Median price per g
- €0.39
- Servings/pack
- 60
- Per serving
- €0.08–€0.50
Top lists
Lowest price per serving
Price for the displayed serving, which may differ from daily intake. Only products with a known serving are ranked.
- OstroVit - Tryptophan - 90 CapsOstroVit · 1 capsule€0.09
- Yango - L-Tryptophan - 90 CapsYango · 1 capsule€0.12
- Biowen - L-Tryptofan - 100 CapsBiowen · 1 capsule€0.16
- Vitamatic L-Tryptophan 1000 mg - 120 TabletsVitamatic · 1 tablet · Out of stock€0.18
- Hepatica - L-Tryptophan - 90 CapsHepatica · 2 capsules€0.24
Top lists
Highest amount per serving
Most L-Tryptofan per serving, regardless of price.
- Vitamatic L-Tryptophan 1000 mg - 120 TabletsVitamatic · Out of stock1,000 mg
- NOW Foods - L-Tryptophan - Amino Acid SupplementNOW Foods · fri form1,000 mg
- Life Extension - Optimized Tryptophan Plus - 90 CapsLife Extension1,000 mg
- Yango - L-Tryptophan - 90 CapsYango510 mg
- Swanson - L-Tryptophan - 60 CapsSwanson500 mg
Products with L-Tryptofan
Showing 1–24 of 120 products. See all in Aminosyror →

Vilgain
Vilgain - Grass-Fed Protein Isolate Vanilla
€37.052.7 g

Megabol
Megabol - Soya Protein - 2100g
€27.771.5 g

OstroVit
OstroVit - EAA - Essential Amino Acids
€16.201,000 mg

NOW Foods
NOW Foods - L-Tryptophan - Amino Acid Supplement
€16.931,000 mg

Vitamatic
Vitamatic L-Tryptophan 1000 mg - 120 Tablets
€21.391,000 mg

Life Extension
Life Extension - Optimized Tryptophan Plus - 90 Caps
€30.221,000 mg

Big Zone
Big Zone - Battle Vegan - Plant Protein
€36.690.9 g

Dorian Yates
Dorian Yates - Shadowhey Concentrate - Whey Protein
€85.39552.3 mg

MST
MST - EAA & BCAA
€28.13520 mg

4 Your Gainz
4 Your Gainz - BRO EAA - Peached Passion Fruit, 500g
€34.50520 mg

BPS-Pharma
BPS-Pharma - EAA´s 4Your Gainz Bro 500g Dark Sweet Cherry
€34.50520 mg

Yango
Yango - L-Tryptophan - 90 Caps
€10.38510 mg

Body Attack
Body Attack - 100% Whey Protein
€48.430.51 g

Swanson
Swanson - L-Tryptophan - 60 Caps
€9.47500 mg

Hepatica
Hepatica - L-Tryptophan - 90 Caps
€10.38500 mg

Osavi
Osavi Nature - L-Tryptophan
€15.39500 mg

Biowen
Biowen - L-Tryptofan - 100 Caps
€15.57500 mg

Scitec Nutrition
Scitec Nutrition - Tryptophan - 60 Caps
€15.75500 mg

Inlead
Inlead - L-Tryptophan - 120 Caps
€16.20500 mg

GymBeam
Gymbeam - L-Tryptophan - 90 Caps
€17.30500 mg

Osavi
Osavi - L-Tryptophan 500mg
€18.57500 mg

MST
MST - EAA & BCAA Peach Ice Tea
€28.13500 mg

Doctor's Best
Doctor's Best - L-Tryptophan - 90 Veggie Caps
€29.04500 mg

Genetic Nutrition
EAA Xtreme
€30.04500 mg