Question About Ultra/Ultrum Elixer

Do you still have to be level 100 to use an Ultrum elixir if you have been level 100 before? Also is there any reduction on the 100 for different tiers? I know this was asked before and someone had commented that it might get changed but I could not find any info on it.

yes it works with the reduced for tiers and opal, so tier 2 level 1 opal will be level 90 for it