Fenugreek is an herb long used in alternative medicine. It’s a common ingredient in Indian dishes and often taken as a supplement. This herb may have numerous health benefits Nutrition facts One tablespoon (11.1 grams) of whole fenugreek seeds contains 35 calories and several nutrients (2): Fiber: 3 grams Protein: 3 grams Carbs: 6 grams Fat: 1 gram Iron: 20% of the Daily Value (DV) Manganese: 7% of the DV Magnesium: 5% of the DV SUMMARY Fenugreek seeds have a healthy nutritional profile, containing a good amount of fiber and minerals, including iron and magnesium.