Ingredient guide
Grains of paradise is a ginger-family spice whose compound 6-paradol can activate brown fat and raise energy use. Small human trials show a modest rise in energy expenditure and a reduction in visceral fat. The evidence is early and limited.
Limited evidenceGrains of paradise is a West African spice from a plant in the ginger family, Aframomum melegueta. The seeds carry pungent, aromatic compounds, the most studied of which is 6-paradol, a relative of the gingerols in ordinary ginger. It is used both as a culinary spice and, more recently, as a metabolism supplement.
The interesting mechanism is brown fat. Unlike ordinary white fat, which stores energy, brown fat burns energy to produce heat. Animal work showed that 6-paradol activates brown fat and stimulates the nerves that drive this heat production, which raises the amount of energy the body uses. That is the basis for studying it in people.
Small human trials back up part of the story. In one study, a grains of paradise extract raised whole-body energy expenditure in men, with the strongest response in those who had active brown fat to begin with. A 12-week placebo-controlled trial in overweight adults reported a reduction in visceral fat, the deeper fat around the organs.
These are genuine, if modest, findings, but the trials are small and short. We grade the human evidence as limited. Grains of paradise can nudge energy use and may trim a little visceral fat, but the effects are small, and it is not a meaningful weight strategy on its own.
Human studies use standardised seed extract, often around 40 mg per day or 250 mg twice daily. Enjoying it as a spice is harmless and flavourful. As a supplement, keep expectations modest, since the measured effects are small. Because long-term safety data is limited, check with a healthcare provider before regular use of concentrated extracts.
Human trials have used standardised seed extract around 40 mg per day, and one study used 250 mg of extract twice daily. There is no official dose. Effects are modest. Ask your healthcare provider before regular use if you take medicine or are pregnant.
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It is the main active compound in grains of paradise, related to ginger's gingerols. It can activate brown fat, which burns energy to make heat.
Brown fat is a tissue that burns energy to produce heat rather than storing it. People with more active brown fat tend to respond more to grains of paradise.
Trials use standardised extract around 40 mg per day, or 250 mg twice daily in one study. There is no official dose, and the effects are modest.