Amazing Herbs Whole Spectrum Black Seed Original Plain, Vegetarian Capsules – Gluten Free, Non GMO, Cold Pressed Nigella Sativa Aids in Digestive Health – 100 Count, 475mg

Customers find this herbal supplement effective for various health issues, with one mentioning it helps with diabetes and arthritis, and another noting it lowers blood sugar levels. Moreover, the product receives positive feedback for its quality, good price, and ability to increase alertness and improve sleep. However, customers disagree on the taste, with some saying it doesn't have a noticeable flavor. Additionally, the digestive effects are mixed, with some customers feeling better while one reports constipation.