Vitamin D helps bones and muscles grow strong and healthy.Low levels of vitamin D can lead to problems such as rickets, a deformity mainly found in children.

• 维生素D可帮助骨骼和肌肉变得更加强壮和健康，缺少维生素养D会引发如软骨病之类的疾病，高发畸形的软骨病的人群为儿童。