Nature Restore Japanese Knotweed Powder is a Non-GMO, gluten-free supplement rich in trans-resveratrol and emodin. This 8-ounce jar provides 90–120 servings per bottle and has been independently tested for heavy metals to ensure safety within FDA guidelines. Organic certification is in progress during 2025, but the knotweed powder remains pure and unadulterated. Serving size is 1/2 teaspoon; ideal for masking in smoothies, coffee, or tea.