Vitamin D Testing Video

Zinzino Vitamin D Test AND Zinoshine+ Concept!  Your Health begins on the inside of You!  1 microgram of vitamin D is equal to 40 IU. So 10 micrograms of vitamin D is equal to 400 IU.  Mayo Clinic Stated In Following Link. The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.