A category where a few ingredients produce small, measurable changes in real cardiovascular markers — and where "small" deserves to be said out loud.
Red yeast rice of unknown potency, "artery cleanse" formulas and high-dose niacin for prevention — red yeast rice contains a statin at an undeclared dose, cleanse products describe a physiological process that does not exist, and the large niacin outcome trials were null with added harm.
Every effect here is larger in people whose readings are already elevated.
Tell your prescriber. Some of these genuinely interact.
Lipid and pressure changes were measured over 8–12 weeks of continuous use.
We make this one. It doses L-citrulline at the 6 g used in the pressure trials and states its omega-3 as EPA/DHA rather than "fish oil" — the review lists the one active that falls short.