A lot of variety in substance (class) instead of always the same, advantages/disadvantages?

I'm wondering if there are any advantages or disadvantages if you consume a lot but something different each time, compared to consuming the same substance every time with the same frequency? So for example Monday nothing, Tuesday Kratom, Wednesday nothing, Thursday coke, Friday Phenibut or Xanny, Saturday alcohol, Sunday weed Of course, it's not broken…

Where can I get Kratom for opiate withdrawal?

My girlfriend is going through opiate withdrawal and wanted to temporarily take kratom once a week for a month, as she has no chance of transitioning to consumption, and cold turkey is unfortunately completely out of the question for her. Therefore, I'm asking for a recommendation for a reputable, not too expensive website where I…