# Endur-acin 500 mg

> Endurance Products Company — US label snapshot lbl_dsld_177756_6875e17b5e11fc69

Canonical: https://anaturalendeavor.com/labels/lbl_dsld_177756_6875e17b5e11fc69

## Original facts and normalized results

| Ingredient | Original | Normalized | Status |
|---|---:|---:|---|
| Niacin | 500 mg | 500 mg | as_labeled |
| Blend (Combination) | not stated  | not available  | missing_quantity |
| Stearic Acid | not stated  | not available  | missing_quantity |
| Magnesium stearate | not stated  | not available  | missing_quantity |
| Silicon | not stated  | not available  | missing_quantity |

## Source

- Original: https://api.ods.od.nih.gov/dsld/v9/label/177756
- Source record: src_dsld_177756
- Snapshot: snap_dsld_177756_6875e17b5e11fc699d30c260
- Retrieved: 2026-09-28T15:20:23.259Z
- Source updated: unknown
- Content hash: 6875e17b5e11fc699d30c2607ad6fa155163a04129c3dae748367da21f479bd6

## 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.