Research has found that one specific herb can have profound effects on metabolic health.
Black cumin, known as Nigella sativa or black seed, is used in many Middle Eastern and Indian dishes such as curries and naan. It is also found in some baked goods and spice mixes.
High antioxidant black seed oil is also sold as a dietary supplement, often used to support immunity, reduce inflammation and improve digestive health.
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A recent study published in the journal Food Science & Nutrition examined the effect of black cumin on cholesterol levels.
Researchers in Osaka, Japan, conducted laboratory cell tests and a randomized human trial in which participants consumed 5 grams of black cumin seed powder daily for eight weeks.
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Black cumin, or black seed, is used in a variety of dishes for spice and flavor.
Participants’ cholesterol levels and appetite levels were measured before and after taking the supplement.
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The human trial showed a reduction in triglycerides, LDL (“bad”) cholesterol and total cholesterol, as well as an increase in HDL (“good”) cholesterol.
The findings also showed a “significant improvement” in hunger levels, indicating the possible benefits of black cumin for appetite control.
Black cumin seed powder increased “good” cholesterol, according to the study.
The researchers concluded that both in-vitro (laboratory) and human trials demonstrated “anti-adipogenic and lipid-lowering effects” of black cumin.
“The study highlights the potential of [black cumin seed extract] in improving lipid metabolism,” the authors wrote. “These results suggest that black cumin seed may serve as a promising natural agent in obesity-related conditions, although further investigation involving comprehensive metabolic parameters is warranted.”
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Theresa Link, a registered dietitian at Virta Health in Nebraska, reacted to these findings in an interview with Fox News Digital.
Cholesterol is “just one piece” of the “puzzle” of cardiovascular health, the expert noted, which means these findings should be considered more broadly for metabolic health.
High antioxidant black seed oil is also sold as a dietary supplement, often used to support immunity, reduce inflammation and improve digestive health.
Link also referred to a 2021 study that found that black seed oil led to greater weight loss in female participants who took it daily. Participants also reported feeling more fulfilled, which “probably contributed to their success.”
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“While these short-term results are promising, the studies only lasted eight weeks,” noted the dietitian. “Black cumin seed alone is not a magic bullet for obesity prevention but can play a supportive role in weight management when combined with an overall healthy lifestyle.”
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The herb also contains a compound called thymoquinone, which is rich in antioxidants and may offer additional benefits.
“Long-term studies are needed to confirm these effects and understand how N. sativa can fit into a broader approach to metabolic and cardiovascular health,” added Link.
Original article source: Everyday herbs may be key to fighting fat and high cholesterol, scientists say