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| Product | Ingredient | Amount |
|---|---|---|
| Periwinkle Herb | Periwinkle extract | 1000 mg |
| Periwinkle | certified organic Periwinkle extract | 970 mg |
| Periwinkle Non-Alcohol | certified organic Periwinkle extract | 0 NP |
| Periwinkle 450 mg 4:1 Extract | Periwinkle extract | 450 mg |
| Periwinkle 4:1 Extract Powder | Periwinkle Extract, Powder | 1000 mg |
| Periwinkle 4:1 Extract Powder | Periwinkle Extract, Powder | 1000 mg |
| Periwinkle | Periwinkle Extract | 648 mg |
| Clari-T Cognitive Support | Lesser Periwinkle extract | 20 mg |