Ranked by evidence

Best Supplements for Heart Health and Cholesterol

Almost everything on the heart shelf promises lower cholesterol, but only a handful of ingredients have consistent trials behind them. This list is ranked by strength of evidence for this specific goal, not by popularity. Nothing here replaces a statin or a blood pressure medication you have been prescribed.

Evidence last reviewed: August 2026

Top picks

Option	Evidence	Best for	The honest note
Psyllium Husk (fiber)	Strong evidence	lowering LDL cholesterol	Soluble gel-forming fiber with decades of consistent trials showing lower LDL cholesterol. Also relieves constipation and helps blood sugar and satiety.	View
Plant Sterols	Strong evidence	cutting LDL without a drug	Lower LDL by about 8-12% at 2 g/day, one of the best-established non-drug lipid interventions. Direct proof of fewer heart attacks is still missing.	View
Oat Beta-Glucan	Strong evidence	modest, reliable LDL reduction	At 3 g/day it lowers LDL and total cholesterol by roughly 4-5% across dozens of randomized trials. Also reduces post-meal glucose and insulin responses.	View

Solid options

Option	Evidence	Best for	The honest note
Omega-3 (EPA/DHA)	Moderate evidence	high triglycerides	Consistently lowers triglycerides. Cardiovascular protection has moderate evidence and depends on dose and population.	View
Potassium	Strong evidence	blood pressure, via food or salt substitute	Lowers blood pressure, dramatically so in hypertensives, and cut stroke and death as a salt substitute. The evidence is for food and salt substitutes, not pills.	View
Red Yeast Rice	Strong evidence	statin-like LDL lowering	Lowers LDL because it contains monacolin K, chemically identical to lovastatin. That brings statin-like risks, with far worse dose standardisation.	View
Berberine	Moderate evidence	LDL and blood sugar together	Lowers LDL and blood glucose with effect sizes near low-dose metformin, but trials are small, short and mostly from one region. Absorption is the weak point.	View

Situational

Option	Evidence	Best for	The honest note
Algae Omega-3 (Vegan DHA/EPA)	Strong evidence	omega-3 without fish	For vegans and vegetarians: raises DHA status as effectively as eating fish and lowers triglycerides. Flax and chia do not convert well enough to replace it.	View
Garlic Extract	Moderate evidence	people who are actually hypertensive	In people with actual hypertension, a small blood pressure drop — near a low-dose drug in some trials — plus a modest cholesterol reduction.	View
CoQ10 (Ubiquinone)	Moderate evidence	chronic heart failure, as an add-on	Add-on to standard therapy in chronic heart failure, where it improves symptoms and outcomes. Its most popular use, statin muscle pain, is not well supported.	View

Popular for this goal — but the evidence says skip

Vitamin B3 (Niacin) Limited evidence
It improves lipid numbers, but two large trials found no fewer cardiovascular events on top of statins — and real harm at those doses.
Policosanol Limited evidence
Statin-sized cholesterol drops appear only in Cuban trials; well-conducted independent trials elsewhere found essentially nothing.
Guggul Limited evidence
A randomized trial published in JAMA found guggulipid raised LDL cholesterol rather than lowering it.
Citrus Bergamot Limited evidence
The cholesterol data look promising, but nearly all of it comes from a small cluster of overlapping research groups in one region, with thin replication.
Vitamin E Limited evidence
It failed nearly every large prevention trial ever run on it, and at 400+ IU/day may modestly increase all-cause mortality.
Resveratrol Limited evidence
Twenty years of study with nothing convincing in humans: bioavailability is terrible and the blood pressure and lipid evidence is limited.

Our verdict

Psyllium, plant sterols and oat beta-glucan are the three with strong, repeatedly replicated LDL-lowering evidence, and they work through different mechanisms. Add omega-3 if triglycerides are the number that is off.