---
title: "Fasting Serum Triglycerides Optimal Range vs Lab Normal (2026 Clinical Decoder & Protocol) | Nutrition Research Labs"
source_url: "https://nutritionresearchlabs.com/biomarkers/triglycerides"
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description: "Decode your Fasting Serum Triglycerides (Triglycerides) blood test: Longevity Optimal Target (40–75 mg/dL) vs Standard Lab Normal (40–150 mg/dL), assay interference, and Grade-A clinical protocols."
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> **Canonical Source:** [https://nutritionresearchlabs.com/biomarkers/triglycerides](https://nutritionresearchlabs.com/biomarkers/triglycerides)
>
> *Decode your Fasting Serum Triglycerides (Triglycerides) blood test: Longevity Optimal Target (40–75 mg/dL) vs Standard Lab Normal (40–150 mg/dL), assay interference, and Grade-A clinical protocols.*

## Reference Range Comparison (mg/dL)

- **Longevity & Metabolic Optimal Range:** 40 – 75 mg/dL
- **Standard Lab Reference Interval ("Normal"):** 40 – 150 mg/dL
- **Why Standard Lab Ranges Mislead Patients:** The standard laboratory threshold of <150 mg/dL is obsolete. Post-prandial atherogenic remnant particles and small dense LDL particles increase significantly once fasting triglycerides exceed 80-90 mg/dL.
- **Pre-Draw Supplement Assay Interference Warning:** A non-fasting phlebotomy or consuming alcohol or refined carbohydrates within 24 hours can artificially double or triple triglyceride readings.

## Decode the Next Biomarker on Your Blood Panel

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