Try to avoid retinol, retinyl palmitate and retinyl acetate, which may increase the risk of hip fracture and certain birth defects when taken at levels exceeding 10,000 IUs.

尽量避免retinol，retinyl palmitate retinyl acetate，当服用水平10，000 IUs，可能会加髋患上某些先天缺陷的风险。