"But one of the things that I've noticed is that for many of those ingredients, there's a lot less of that particular ingredient than what the studies show is beneficial." Everyone's experiences with the vitamins will likely be different, but here's how Scheinman ranks them based on their ingredients and doses
Whilst glutamate is important, a fine balance is needed
Moreover, besides the enhanced activity of fibroblasts, which are considered essential for collagen synthesis, tissue repair, and regeneration, there was also a potential rise in mast cell activation
Biosci Rep (2017) 37:BSR20160244
One non-prescription option gaining attention is Motus by Tonum, a research-backed oral supplement
The question of which is better depends partly on what result you are actually trying to achieve