# Endur-acin 250 mg

> Endurance Products Company — US label snapshot lbl_dsld_177699_73633fb01b66ab6a

Canonical: https://anaturalendeavor.com/labels/lbl_dsld_177699_73633fb01b66ab6a

## Original facts and normalized results

| Ingredient | Original | Normalized | Status |
|---|---:|---:|---|
| Niacin | 250 mg | 250 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/177699
- Source record: src_dsld_177699
- Snapshot: snap_dsld_177699_73633fb01b66ab6a6486f958
- Retrieved: 2026-09-28T15:14:51.336Z
- Source updated: unknown
- Content hash: 73633fb01b66ab6a6486f9582f66273c2eab3bab28feb78bff69042621545928

## 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.