# L-Tryptophan 500 mg

> Source Naturals — US label snapshot lbl_dsld_274813_87816d54cfe808a6

Canonical: https://anaturalendeavor.com/labels/lbl_dsld_274813_87816d54cfe808a6

## Original facts and normalized results

| Ingredient | Original | Normalized | Status |
|---|---:|---:|---|
| Calcium | 52 mg | 52 mg | as_labeled |
| Iron | 570 mcg | 570 mcg | as_labeled |
| Tryptophan | 1.5 g | 1.5 g | as_labeled |
| Calcium | not stated  | not available  | missing_quantity |
| Stearic Acid | not stated  | not available  | missing_quantity |
| Cellulose | not stated  | not available  | missing_quantity |
| Silicon | not stated  | not available  | missing_quantity |

## Source

- Original: https://api.ods.od.nih.gov/dsld/v9/label/274813
- Source record: src_dsld_274813
- Snapshot: snap_dsld_274813_87816d54cfe808a69abd8b89
- Retrieved: 2026-09-28T20:25:35.813Z
- Source updated: unknown
- Content hash: 87816d54cfe808a69abd8b89c8c07775b8e6cb46246308997a4e29b5c6c7a7b0

## Limitations

- This record reports label facts from a US-market source snapshot, not current inventory or product safety.
- Label quantity comparisons do not establish absorption, efficacy, safety, or clinical equivalence.