400 IU Vitamin D did not affect menopause (400 IU affects virtually nothing) - RCT

Calcium and vitamin D supplementation do not influence menopause-related symptoms: Results of the Women's Health Initiative Trial

elemental calcium carbonate 1000 mg with vitamin D 400 IU daily or placebo.

Amount of vitamin D is proportional to body weight

400 IU is barely OK for infants (very low weight)

See also VitaminDWiki

• Vitamin D needs in 2004:1000 IU, 10 years later same author says 3,500 IU

• 30 percent of vitamin D sold now has more than 2000 IU - Dec 2012

• 400 iu of vitamin D is like 24 seconds of sun in a swimsuit in Los Angeles

• Hip bone loss stopped with 1000 IU of vitamin D, while 400 IU similar to placebo – RCT April 2013

• ALL of the top 10 health problems of women are associated with low vitamin D

  • would need 4,000-10,000 IU of vitamin D to prevent treat most of those problems