Is their plan really to just keep injecting themselves with amino acids all day every day?
Why not something like an mRNA injection so you just produce more of whatever amino acids or proteins are supposedly "Needed"?
This feels more like Vitamins are played out for the supplements industry and they need a new market with vague benefits to milk.
There are also peptides that seem to have similar effects as regular exercise; a weekly injection might give you the same benefits as a daily mile run. These haven't been well studied, however, and we don't understand their safety profiles.
But the influencer set has taken these possibilities and run with them, because they're more interested in clicks and views that science and facts.
Personally I'm waiting for influencers to push sodium-chlorinated dihydrogen monoxide injections. Clinically proven to be extremely safe in terms of side-effects, and look at all the benefits!
Producers love recurring and subscription sales models. It's consumers who get the short end of the stick.