Outdated yogurt starter - it worked but is it potent?

[Guest guest]

Found some yogurt starter in the back of the pantry with a 'best by'

date of 10/05. Rather than just throw it out I gave it a try with 1

quart of almond milk. It worked - in fact hubby says its the best yogurt

yet. Does anyone know if the 'outdatedness' of the starter would cause

the yogurt to be less potent - meaning that we are getting less good

stuff out of it than we would with fresh starter.

dh - SCD since mid 04 - GI issues

ph (4) - SCD 4/04 or thereabout - chromosome syndrome and autistic

traits