Original content:
“钙是我们身体所需的重要矿物质，而维生素D3则有助于钙的吸收。补充钙和维生素D3可以帮助维持骨骼健康，预防骨质疏松。”
Rewritten content:
“Calcium is an essential mineral required by our bodies, and vitamin D3 plays a crucial role in the absorption of calcium. Supplementing with calcium citrate vitamin D3 can support bone health and help prevent osteoporosis. By ensuring adequate intake of calcium citrate vitamin D3, individuals can enhance their overall skeletal strength and maintain optimal bone density.”