Taurine for Cardiovascular Disease
Taurine produces a small but consistent drop in blood pressure in trials, but there is no evidence it actually prevents heart attacks, heart failure, or cardiovascular death. It is best viewed as a minor add-on, not a treatment for cardiovascular disease.
Why this grade7-layer evidence engine
The preliminary (B) grade rests entirely on surrogate markers rather than real cardiovascular outcomes. Three meta-analyses are consistent: a 2018 pooled analysis found roughly 3 mmHg reductions in systolic and diastolic pressure (PMID 30006901), a 2024 review of 20 RCTs reported a 4.0 mmHg systolic and 1.4 mmHg diastolic fall plus a small rise in ejection fraction (PMID 39148075), and a 2025 review of 34 RCTs found a 4.38 mmHg systolic and 2.54 mmHg diastolic drop (PMID 41275513). These effects are statistically significant but clinically modest.
The grade stops at B because the hard evidence is missing. No randomized trial has tested whether taurine reduces heart attacks, strokes, or death. The heart-failure trials are tiny and short (PMID 21334852, n=29, two weeks), and the widely cited 2023 anti-aging finding (PMID 37289866) is an observational cohort that shows association, not cause. Population-mixing across the meta-analyses further limits how far any single result applies.
Regulators and clinics endorse only its safety, not heart benefits. The US FDA has 'no questions' about taurine as a food ingredient but approves no cardiovascular claim, and the WHO/JECFA notes 'no safety concern at current levels of intake when used as a flavouring agent.' The Mayo Clinic cautions that taurine combined with caffeine in energy drinks can stress the heart's electrical system, a real risk for people with existing heart conditions.
Scoring transparency
All scores computed by a 7-layer evidence engine — fully auditable▸View the full decision path (audit trail)
- compute_raw_score — 加權公式: L2×0.30 + L3×0.25 + L5×0.25 + L11×0.10 + L1×0.10 = 0.588
- tier_from_score — 依分數區間映射至 tier letter
- apply_hec_rules — 高品質 SR/MA 顯示 positive (3 篇 > 0 negative)
- tier_strict_requirement_check — Tier 條件達標，未降階
- detect_disputes — 偵測到 0 個 hard + 0 個 soft dispute
- decide_status — 依 tier + dispute 結果決定 status