Vitamin D is being investigated for breast health benefits. While no medical consensus yet exists, emerging science suggests there may be a correlation between adequate levels of vitamin D and breast health.* More research is needed. Why Viactiv Calcium soft Chews?Two Viactiv Calcium Soft Chews provide 100% of the daily value of calcium plus vitamins D3 & K, in a delicious convenient form you can take with you. Vitamin D3 - Boosts calcium absorptionCalcium - Helps maintain healthy bonesVitamin K - Helps in formation of bone protein Helps fight osteoporosis Adequate calcium and vitamin D as part of a healthy diet, along with physical activity, may reduce the risk of osteoporosis in later life.