Bluebonnet Nutrition - Magnesium Potassium Plus Bromelain - 120 Vegetable Capsule(s) Bluebonnet Nutrition Magnesium Potassium Plus Bromelain provides chelated magnesium aspartate and chelated potassium aspartate plus bromelain from fresh pineapples providing 2000 GDU/gram. Magnesium Potassium Plus Bromelain is intended to provide support for bone and muscle health. Magnesium Potassium Plus Bromelain Features: Supports bone health Supports muscle activity 200 mg.