This is a great machine especially for vitamin D supplementation.
This is a great machine especially for my wife who has an allergy to vitaminD supplement. It does not fulfill her total need for vitaminD but goes a long way. We have had zero trouble with the machine.
By Patrick O.
Response from Sperti Sunlamps· Aug 14, 2018
Thank you so much for sharing your about your wife's experience with the Vitamin D Light Box!


