Red Yeast Rice

Also known as: Monascus purpureus, Hong Qu, RYR, monacolin K, Xuezhikang

Grade A — Strong Evidencefermented foodheartlipids

Recommended Dosage

12002400 mg

With evening meal (matches cholesterol synthesis peak — same as statin timing).

Natural statin alternative with 15-25% LDL reduction. 45% coronary event reduction in large RCT. MUST co-supplement CoQ10.

Last reviewed: 2026-03-09

Evidence Rating: Grade A — Strong Evidence

Multiple high-quality RCTs, systematic reviews, or meta-analyses with consistent findings.

Interaction Warnings

StatinsHigh Risk

CONTRAINDICATED — additive; extreme rhabdomyolysis and myopathy risk

CYP3A4 inhibitors (grapefruit, azole antifungals)High Risk

Increase monacolin K levels; myopathy risk

WarfarinModerate

May increase anticoagulant effect; monitor INR

Niacin / fibratesModerate

Additive lipid-lowering; increased myopathy risk

⚠️ Important Notes

  • Contains natural lovastatin (monacolin K) — treat as a STATIN for all interactions
  • ALWAYS supplement CoQ10 (100-200mg/day)
  • Citrinin contamination risk in low-quality products
  • CONTRAINDICATED in pregnancy and liver disease

Clinical Evidence (3 studies)

Red yeast rice in statin-intolerant patients

Becker DJ et al. (2009) — Ann Intern Med

21% LDL reduction; well-tolerated vs placebo; RCT

View on PubMed

Xuezhikang for secondary CV prevention

Lu Z et al. (2008) — Am J Cardiol

45% reduction in coronary events over 4.5 years; large RCT

View on PubMed

Red yeast rice meta-analysis: 20 RCTs

Li Y et al. (2014) — PLoS ONE

Significant LDL and total cholesterol reduction; comparable to low-dose statin

View on PubMed

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