They're fine, they're just stupidly expensive. a 4 pack of Red Bull (33.6 ounces combined) is $10. Just lol.
I think the other ones are slightly less per ounce but nowhere near the real deal.
$7.99 for a 60 pack and at 200mg a pill you really aren't ****ing around with bull**** soda quantities. Two of these per day is 27 cents
If you feel you're missing out on vitamins and whatever other snake oil they add in their that either does nothing, or is so lowly dosed it wouldn't do anything unless you drank ten cases
add
$.77/day
Want electrolytes too?
These are around 75 cents each, cheaper than Gatorade and zero calories vs 50 or whatever low cal Gatorade has. $1.50+$.77+$.27 = $2.64
So for the price of one Red Bull you're getting 8x as much water, 10,000x vitamins, and 100x more electrolytes, and 5x as much caffeine. All with the option to consume more or less of any of it.