 Fermented nutrition is vital to our well-being, but often missing from our daily diet. Introducing Kimchi One by Brightcore Nutrition. Kimchi One harnesses the power of kimchi, the most nutrient-dense fermented food on the planet. High in vitamins A, B, C, and K, fiber, calcium, phosphorus, folate, and unique probiotics found only in kimchi. Kimchi has been shown to improve gut health, mood, focus, and memory.