Understanding Vita-Strath Supplement with 6 short videos
courtesy & produced by Estie Schreiber (via you tube)
The Human Body | 2.47 minutes
Supplementation, how do we need them? | 1.40 minutes
How does yeast is found to be beneficial to human | 1.57 minutes
History and Clinical Publications | 2.18 minutes
Clinical trials | 1.30 minutes
Efficacy | 2.15 minutes