This vitamin D3 supplement contains cholecalciferol — the biologically active form of vitamin D that our bodies produce when exposed to sunlight. Derived from lichen, it is a plant-based, vegan-friendly formula that’s perfect for everyone to meet their daily vitamin D requirements.• Helps support the immune system• Supports bone health• Can help the brain stay healthy and stimulate memory and concentration• Supports normal blood pressure• Can enhance the production of neurotransmitters like serotonin• Supports general health all year roundD3 is the active form of vitamin D that our bodies can use to promote absorption of calcium into bones. Adequate levels of vitamin D help to reduce the risk of hypertension and heart disease. It can have neuroprotective effects in the brain and nervous system.Recommended use is 2 ml daily.