When people think about lowering cholesterol, the conversation usually jumps straight to medications. But a growing body of clinical research suggests that some everyday culinary herbs and spices may play a meaningful supporting role—especially when used intentionally within a whole-food dietary pattern.

A newly published review by David Goldman, a member of the PLANTSTRONG Clinical Research Team, synthesized evidence from over 50 randomized controlled trials to answer a simple question:

Which herbs and spices actually move cholesterol numbers in humans?

What the Researchers Looked At

Rather than relying on animal studies or observational data, this review analyzed systematic reviews and meta-analyses of randomized controlled trials—the highest standard of nutrition evidence.

The focus was on two key markers:

• Total cholesterol (TC)
• LDL (“bad”) cholesterol (LDL-C)

Herbs & Spices With the Strongest Evidence

Five culinary ingredients consistently demonstrated significant reductions in both total and LDL cholesterol across multiple independent analyses:

• Black cumin (Nigella sativa)
• Garlic
• Fenugreek
• Amla (Indian gooseberry)
• Cinnamon

Across studies, these herbs were associated with:

• 10–33 mg/dL reductions in total cholesterol
• 10–35 mg/dL reductions in LDL cholesterol

Those reductions are meaningful—on par with other well-established dietary interventions like added soluble fiber or plant sterols.

How Do They Work?

These plants don’t all work the same way, which is part of what makes them interesting:

• Some slow cholesterol production in the liver (similar to statins, but via different biochemical pathways)
• Others block cholesterol absorption in the gut
• Some increase bile acid excretion, forcing the body to use circulating cholesterol
• Several activate metabolic pathways that improve lipid handling overall

This diversity suggests that combining multiple herbs may provide complementary benefits—though more research is needed to confirm additive effects.

Important Context: Dose Matters

One critical takeaway from the paper is that most benefits were seen at intentional, therapeutic doses, often higher than casual seasoning alone. That doesn’t mean herbs are ineffective—but it does mean they work best when used deliberately, not incidentally.

The Big Picture

This research doesn’t suggest herbs and spices replace medical treatment when it’s needed. Instead, it reinforces something powerful:

Flavorful, culturally familiar foods can also be functional tools for heart health.

For people seeking non-pharmacologic support—or looking to stack small, sustainable changes—herbs and spices represent a low-cost, accessible, and evidence-backed option.

📄 Source: Goldman D, Nagra M. Evidence from randomized trials on lipid-lowering by culinary herbs and spices (2026).