Another vitamin D meter fails to distinguish UVB from UVA – Violet

http://www.liveultrahealthy.com/

Goes on sale April 2015

See also VitaminDWiki

• Yet another UV monitor for vitamin D to avoid – Sunsprite

• A wrist-watch which measures UVA plus UVB - should NOT be used to increase vitamin D - June 2014

• UVA decreased vitamin D levels (again) – July 2013

  • The high UVA vs UVB in the early morning/late afternoon might actually DECREASE the vitamin D levels
• Overview Skin and vitamin D which has the following chart - UV while STANDING

When solar elevation is about 45 degrees the Vitamin D will be over-estimated by about 3X if not measure UVB alone