They both seem to do the same thing
Each time you listen, you will get rid of useless, limiting, detrimental beliefs that have prevented you from achieving your maximum potential
From Limit Destroyer
With each loop, Limit Destroyer will drill deeper and deeper into your subconscious, removing the fears and limits that hold you back from greatness.
Elixir just seems a bit more well rounded since it also heals physically and traumas. So is it just that limit destroyer is more focused on limiting beliefs whereas Elixir is more well rounded?