---
title: "Symptoms of High LDL: Causes, Ranges, and What to Do"
description: "High LDL means more “bad” cholesterol in your blood, often from diet, genetics, or thyroid issues; optimal is <100 mg/dL. Retest at Quest—no referral."
canonical: "https://www.vitalsvault.com/symptom-levels/symptoms-of-high-ldl"
last-updated: 2026-08-22
---

# Symptoms of High LDL: Causes, Ranges, and What to Do

> High LDL means more “bad” cholesterol in your blood, often from diet, genetics, or thyroid issues; optimal is <100 mg/dL. Retest at Quest—no referral.

---

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