澳洲的标准：

这个标准列在验血报告上：

Vitamin D Levels

Vitamin D levels change throughout the year. Your levels are highest in late summer and lowest at the end of winter. Healthy Bones Australia recommends a vitamin D level of at least 50 nmol/L （20ng/ml) at the end of winter and during summer higher levels are common in the range of 60-70 nmol/L(24-30ng/ml).