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Compare our L-Tryptophan with other brands.
See the difference for yourself. Compare what’s inside, spot the added extras, and see what sets Crown Supplements apart.
| Brand & product | Added bulking ingredients | Added flow / anti-caking agents |
|---|---|---|
| Crown SupplementsL-Tryptophan | None added by Crown Supplements | None added by Crown Supplements |
| NOW FoodsL-Tryptophan 500mg | YESRice flour | YESStearic acid |
| SwansonL-Tryptophan 500mg | YESRice flour | YESMagnesium stearate |
| Doctor’s BestL-Tryptophan 500mg | YESMicrocrystalline cellulose | YESCalcium laurate |
| Source NaturalsL-Tryptophan 500mg Tablets | YESDibasic calcium phosphate | YESStearic acid, silica |
L-Tryptophan with 99.9% ingredient purity.
A defined essential amino acid formula with its purity result available to read. No fillers, binders or machine flow agents added by Crown Supplements.
Your formula at a glance
Know what goes into your L-Tryptophan.
L-Tryptophan is an essential amino acid: the body obtains it through the diet. Crown Supplements supplies a clearly measured amount for customers choosing this specific amino acid.
The amino acid you selected
L-Tryptophan is identified by name and amount; this is not an unspecified amino acid blend.
Check the added ingredients.
The table names the bulking and flow agents in four competing products. No fillers, binders or machine flow agents added by Crown Supplements.
Make your choice on the details.
Read the actual amount
The ingredient weight is stated separately from the capsule shell and accompanying ingredients.
See the ingredient test
The raw-material certificate records 99.9% assay.
Choose by ingredients
Compare the named formula additions before choosing your supplement.
Six details worth checking.
Named ingredient
L-Tryptophan.
Measured amount
870mg across 3 capsules.
Documented material
99.9% raw-material assay.
Additional ingredients
Psyllium husk extract.
Our formulation
No fillers, binders or machine flow agents added by Crown Supplements.
Same formula, four sizes
Choose 90, 180, 270 or 360 capsules.
The formula comes first.
No fillers, binders or machine flow agents added by Crown Supplements.
Choose your pouch.
The same formula in every size.
L-Tryptophan Capsules — product details.
How to use and store.
Frequently asked questions.
Choose the formula that fits your standards.
A defined essential amino acid formula with its purity result available to read.
No fillers, binders or machine flow agents added by Crown Supplements.
Crown Supplements. Named ingredients. Clearly stated amounts.
Sleep had been all over the place for weeks and I was waking up feeling like id barely rested. since trying l tryptophan ive been dropping off easier and dont seem to wake as much through the night. also noticed im not reaching for snacks every evening like I used to
late nights had been getting a bit too regular. tryptophan seems to help me settle easier, especially when i take it before bed. no drowsy hangover so far
tryptophan is my wind-down capsule. I take it on restless evenings and sleep feels a bit easier to fall into
L tryptophan shortens the time it takes to fall asleep and improves mood in healthy adults who have sleep issues.
When my evenings get restless, tryptophan helps me settle a bit easier. no heavy feeling the next morning
capsules were easy to swallow and the label was simple to read. no fillers listed that i could see
Easy to swallow and the bottle lasts me a while. i keep l tryptophan for evenings
Evening routine is where l tryptophan fits best for me. i started with one and kept it simple
Evening is the only time i remember these. l tryptophan capsules are small and easy with water
Evening timing suits my routine best. the capsules are plain and do not leave any taste behind